COOS BAY, OR · Coos County

SUMNER WATER CORPORATION Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4100209
System type: Community Water System
Population served: 50
Service connections: 15
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Regular
—
Diquat
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Endothall
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Glyphosate
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
OXAMYL
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Simazine
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Dinoseb
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Carbofuran
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Dalapon
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Atrazine
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
LASSO
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
2,4-D
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Combined Uranium
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Methoxychlor
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Endrin
October 1, 2025 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2025 – September 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2025 – September 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2025 – September 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2025 – September 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2025 – August 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2025 – August 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2025 – August 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2025 – August 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
2,4-D
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Heptachlor
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
LASSO
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Atrazine
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Carbofuran
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Picloram
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Simazine
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
OXAMYL
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Glyphosate
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Endothall
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Diquat
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Dalapon
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Toxaphene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Endrin
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Styrene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Toluene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Benzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2025
Unaddressed
Monitoring, Regular
—
Dinoseb
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Chlordane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
July 1, 2025 – September 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Chlordane
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
2,4-D
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Heptachlor
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
LASSO
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Atrazine
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Carbofuran
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Dinoseb
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Picloram
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Simazine
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
OXAMYL
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Glyphosate
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Endothall
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Diquat
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Dalapon
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Toxaphene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Methoxychlor
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Endrin
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Styrene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Toluene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Benzene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2025 – June 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – April 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2025 – March 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2025 – March 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2025 – March 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2025 – March 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2025 – February 28, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2025 – February 28, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2025 – February 28, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2025 – February 28, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
2,4-D
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
LASSO
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Atrazine
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Simazine
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Endothall
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Diquat
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Dalapon
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Endrin
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Styrene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Combined Uranium
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2025 – March 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – January 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2025 – March 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2024 – December 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2024 – November 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2024 – October 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2024 – September 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2024 – September 30, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2024 – September 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2024 – September 30, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2024 – August 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2024 – August 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2024 – August 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2024 – August 31, 2024
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2024 – December 18, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2024 – July 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Benzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Toluene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Styrene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endrin
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Diquat
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Simazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Picloram
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
LASSO
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2024 – June 30, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2024 – May 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
Archived
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
LASSO
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Dinoseb
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Picloram
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Simazine
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Glyphosate
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Endothall
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Dalapon
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Toxaphene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Endrin
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Styrene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Toluene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Benzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Diquat
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2024 – April 30, 2024
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2024 – June 30, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2024 – March 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2024 – March 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2024 – March 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2024 – March 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
October 8, 2023 – September 18, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2023 – April 30, 2023
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2022 – June 30, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2022 – April 30, 2022
Resolved
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
January 1, 2022
Unaddressed
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2022 – January 31, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2021 – January 31, 2021
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2021 – December 31, 2021
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2020 – September 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2020 – March 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2020 – March 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2020 – March 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2020 – December 31, 2020
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 20, 2019 – December 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 20, 2019 – December 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 20, 2019 – December 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 20, 2019 – December 31, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2019 – April 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2019 – April 30, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2019 – April 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2019 – April 30, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2019 – February 28, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2019 – December 31, 2019
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2019 – January 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2019 – January 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2019 – January 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2019 – January 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2018 – November 30, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2018 – November 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2018 – November 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2018 – April 30, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2018 – April 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2018 – April 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2018 – March 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2018 – March 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2018 – March 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 1, 2025 – December 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2025 – December 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 2025 – December 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 2025 – December 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Diquat	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Endothall	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Glyphosate	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	OXAMYL	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Simazine	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Dinoseb	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Carbofuran	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Dalapon	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Atrazine	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	LASSO	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	2,4-D	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
October 1, 2025 – October 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
October 1, 2025 – October 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2025 – October 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2025 – October 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Methoxychlor	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Endrin	—	Archived
September 1, 2025 – September 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2025 – September 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
September 1, 2025 – September 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2025 – September 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2025 – August 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
August 1, 2025 – August 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2025 – August 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2025 – August 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	2,4-D	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Heptachlor	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	LASSO	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Atrazine	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Carbofuran	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Picloram	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Simazine	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	OXAMYL	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Glyphosate	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Endothall	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Diquat	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Dalapon	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Toxaphene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Endrin	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Styrene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Toluene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Benzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
July 1, 2025	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Unaddressed
July 1, 2025 – September 30, 2025	Monitoring, Regular	Dinoseb	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Uranium	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Chlordane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
July 1, 2025 – July 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
July 1, 2025 – July 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2025 – July 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2025 – July 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2025 – June 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
June 1, 2025 – June 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 2025 – June 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2025 – May 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2025 – May 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2025 – May 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2025 – May 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Combined Uranium	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Chlordane	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	2,4-D	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Heptachlor	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	LASSO	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Atrazine	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Carbofuran	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Dinoseb	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Picloram	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Simazine	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	OXAMYL	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Glyphosate	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Endothall	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Diquat	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Dalapon	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Toxaphene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Methoxychlor	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Endrin	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Styrene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Toluene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Benzene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
April 1, 2025 – April 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2025 – April 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2025 – March 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
March 1, 2025 – March 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 2025 – March 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2025 – February 28, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2025 – February 28, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
February 1, 2025 – February 28, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2025 – February 28, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	2,4-D	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	LASSO	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Atrazine	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Simazine	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Endothall	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Diquat	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Dalapon	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Endrin	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Benzene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Chlordane	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2025 – January 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
January 1, 2025 – January 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2025 – January 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2025 – January 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
December 1, 2024 – December 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2024 – December 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
December 1, 2024 – December 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 2024 – December 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2024 – November 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
November 1, 2024 – November 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2024 – November 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2024 – November 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2024 – October 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2024 – October 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2024 – October 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
October 1, 2024 – October 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2024 – September 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2024 – September 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2024 – September 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
September 1, 2024 – September 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2024 – August 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
August 1, 2024 – August 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2024 – August 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2024 – August 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2024 – December 18, 2024	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2024 – July 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2024 – July 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2024 – July 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2024 – July 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Toluene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Styrene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endrin	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Diquat	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Simazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Picloram	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	LASSO	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 2024 – June 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2024 – May 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
May 1, 2024 – May 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2024 – May 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2024 – May 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2024 – June 30, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Heptachlor	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	LASSO	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Dinoseb	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Picloram	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Simazine	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Endothall	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Dalapon	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Toxaphene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Endrin	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Styrene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Toluene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Benzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Diquat	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2024 – April 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
April 1, 2024 – April 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2024 – April 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2024 – April 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2024 – June 30, 2024	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
March 1, 2024 – March 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 2024 – March 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 2024 – March 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2024 – March 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2024 – February 29, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
January 1, 2024 – January 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2024 – January 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
January 1, 2024 – January 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 8, 2023 – September 18, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2023 – April 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2022 – June 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2022 – April 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2022	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Unaddressed
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2022 – January 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2021 – October 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2021 – October 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2021 – October 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2021 – April 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2021 – April 30, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2021 – April 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2021 – January 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrate	—	Archived
January 1, 2021 – January 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2021 – January 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2021 – January 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2020 – September 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2020 – September 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2020 – September 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2020 – September 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2020 – July 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2020 – July 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2020 – July 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2020 – June 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2020 – June 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2020 – June 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2020 – March 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2020 – March 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2020 – March 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2020 – February 29, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2020 – February 29, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2020 – February 29, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate	—	Archived
January 1, 2020 – January 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2019 – December 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2019 – December 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2019 – December 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2019 – August 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2019 – August 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2019 – August 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 20, 2019 – December 31, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 20, 2019 – December 31, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 20, 2019 – December 31, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 20, 2019 – December 31, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2019 – July 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2019 – July 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2019 – July 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2019 – April 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2019 – April 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2019 – April 30, 2019	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 2019 – April 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2019 – March 31, 2019	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
March 1, 2019 – March 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2019 – February 28, 2019	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 2019 – February 28, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate	—	Archived
January 1, 2019 – January 31, 2019	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2019 – January 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2018 – November 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2018 – November 30, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2018 – November 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2018 – June 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2018 – June 30, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2018 – June 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2018 – March 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2018 – March 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2018 – March 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Archived
January 1, 2018 – January 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

August 21, 1996State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

SUMNER WATER CORPORATION

541-297-2180

COOS BAY, OR 97420