ASTORIA, OR · Clatsop County

YOUNGS RIVER LEWIS & CLARK WD Water System

Current status

No open violations on record as of July 4, 2026.

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): OR4100062
System type: Community Water System
Population served: 2,580
Service connections: 1,053
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2025 – September 30, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 12, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2023 – September 30, 2023
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
LASSO
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Atrazine
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Simazine
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Endothall
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Dalapon
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Endrin
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Diquat
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
2,4-D
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2023 – December 31, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2022 – March 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2022 – March 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment 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
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2020 – December 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2020 – April 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2020 – June 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 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
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2017 – September 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2017 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2016 – September 30, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2016 – September 30, 2016
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2016 – September 30, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2016 – March 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2016 – March 31, 2016
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2016 – March 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2015 – September 30, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2015 – September 30, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2015 – September 30, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Benzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Styrene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Toluene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2013 – June 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2013 – June 30, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2012 – December 31, 2012
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2012 – December 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2012 – December 31, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 25, 2012 – April 1, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2012 – November 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2012 – November 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2012 – November 30, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2012 – October 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2012 – September 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2012 – February 29, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2012 – February 29, 2012
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2012 – February 29, 2012
Resolved
Monitoring, Regular
—
Benzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Toluene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Styrene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2011 – August 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2011 – August 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 13, 2011 – March 1, 2011
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2011 – December 31, 2013
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2011 – September 1, 2011
Resolved
Monitoring, Regular
—
Endrin
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Dalapon
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Diquat
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Endothall
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Simazine
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Picloram
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Atrazine
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
LASSO
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
2,4-D
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2011 – December 31, 2013
Archived
Monitoring, Regular
—
Chlordane
January 1, 2011 – December 31, 2013
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2010 – September 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2010 – September 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2010 – June 30, 2010
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2010 – June 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2009 – November 30, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2009 – October 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2009 – July 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Styrene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Toluene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Benzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2008 – February 29, 2008
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Styrene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2007 – November 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 2007 – July 31, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2006 – February 28, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Barium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2001 – September 30, 2001
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2001 – March 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2000 – November 30, 2000
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2000 – February 29, 2000
Resolved
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
January 1, 2000 – June 28, 2001
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2000 – January 31, 2000
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1999 – February 28, 1999
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1998 – September 30, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1998 – June 30, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1996 – September 30, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1995 – August 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1995 – May 31, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – October 24, 1994
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

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – October 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2025 – September 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
July 1, 2024 – July 12, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2023 – September 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	LASSO	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Atrazine	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Simazine	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Endothall	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Dalapon	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Endrin	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Diquat	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	2,4-D	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
December 1, 2022 – December 31, 2022	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform 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, 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
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
May 1, 2020 – May 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	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
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
June 1, 2018 – June 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2017 – September 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2017 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2016 – September 30, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2016 – September 30, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2016 – September 30, 2016	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Benzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Styrene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Toluene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 25, 2012 – April 1, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2012 – October 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2012 – August 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2012 – August 31, 2012	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2012 – August 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2012 – February 29, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2012 – February 29, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2012 – February 29, 2012	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Benzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Toluene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Styrene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 13, 2011 – March 1, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2011 – September 1, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Endrin	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Dalapon	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Diquat	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Endothall	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Simazine	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Picloram	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Atrazine	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	LASSO	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	2,4-D	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2011 – December 31, 2013	Monitoring, Regular	Chlordane	—	Archived
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2010 – September 30, 2010	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2010 – September 30, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2010 – June 30, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2010 – June 30, 2010	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2009 – December 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2009 – December 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Styrene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Toluene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Benzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
February 1, 2008 – February 29, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Styrene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2007 – July 31, 2007	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
February 1, 2006 – February 28, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2002 – December 31, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Barium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2010	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
September 1, 2001 – September 30, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2001 – March 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2000 – November 30, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2000 – February 29, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2000 – June 28, 2001	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Resolved
January 1, 2000 – January 31, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 1999 – February 28, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 1998 – September 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 1998 – April 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 1996 – September 30, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 1995 – August 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 1995 – July 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 1995 – May 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 1994 – October 24, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper 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

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 3, 2025State Compliance achieved2 linked violations
July 3, 2025State Compliance achieved7 linked violations
July 12, 2024State Compliance achieved1 linked violation
October 16, 2023State Compliance achieved1 linked violation
February 3, 2023State Compliance achieved3 linked violations
November 3, 2022State Compliance achieved5 linked violations
May 2, 2022State Compliance achieved4 linked violations
July 20, 2021State Compliance achieved1 linked violation
April 8, 2021State Compliance achieved3 linked violations
March 4, 2021State Public Notification received1 linked violation
March 2, 2021State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 26, 2021State Public Notification requested1 linked violation
December 7, 2020State Public Notification received1 linked violation
November 2, 2020State Public Notification requested1 linked violation
October 30, 2020State Bilateral Compliance Agreement signed5 linked violations
September 3, 2020State Public Notification received1 linked violation
July 29, 2020State Public Notification requested1 linked violation
June 4, 2020State Compliance achieved1 linked violation
June 4, 2020State Compliance achieved1 linked violation
May 26, 2020State Public Notification received1 linked violation
April 22, 2020State Public Notification requested1 linked violation
February 3, 2020State Compliance achieved3 linked violations
January 30, 2020State Public Notification requested1 linked violation
January 21, 2020State Public Notification received1 linked violation
July 23, 2018State Compliance achieved1 linked violation
November 7, 2017State Compliance achieved1 linked violation
June 30, 2017State Compliance achieved2 linked violations
November 9, 2016State Compliance achieved3 linked violations
May 4, 2016State Compliance achieved3 linked violations
March 3, 2016State Compliance achieved2 linked violations
February 8, 2016State Compliance achieved3 linked violations
December 7, 2015State Compliance achieved6 linked violations
September 24, 2015State Compliance achieved21 linked violations
September 14, 2015State Compliance achieved1 linked violation
October 8, 2014State Compliance achieved4 linked violations
August 8, 2014State Compliance achieved3 linked violations
June 10, 2014State Compliance achieved3 linked violations
April 9, 2014State Compliance achieved3 linked violations
December 10, 2013State Compliance achieved3 linked violations
August 19, 2013State Compliance achieved3 linked violations
April 1, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
March 7, 2013State Compliance achieved1 linked violation
February 26, 2013State Violation/Reminder Notice3 linked violations
February 4, 2013State Violation/Reminder Notice26 linked violations
February 1, 2013State Compliance achieved1 linked violation
January 3, 2013State Compliance achieved1 linked violation
December 31, 2012State Violation/Reminder Notice3 linked violations
December 3, 2012State Violation/Reminder Notice1 linked violation
November 19, 2012State Compliance achieved1 linked violation
October 29, 2012State Violation/Reminder Notice1 linked violation
October 25, 2012State Public Notification requested1 linked violation
October 8, 2012State Compliance achieved1 linked violation
October 8, 2012State Compliance achieved1 linked violation
October 8, 2012State Compliance achieved1 linked violation
October 1, 2012State Violation/Reminder Notice3 linked violations
April 5, 2012State Compliance achieved3 linked violations
April 5, 2012State Compliance achieved2 linked violations
April 1, 2012State Public Notification received1 linked violation
March 27, 2012State Violation/Reminder Notice4 linked violations
February 8, 2012State Compliance achieved2 linked violations
November 7, 2011State Compliance achieved2 linked violations
November 7, 2011State Compliance achieved1 linked violation
October 31, 2011State Violation/Reminder Notice3 linked violations
September 26, 2011State Violation/Reminder Notice2 linked violations
September 1, 2011State Compliance achieved5 linked violations
August 1, 2011State Compliance achieved2 linked violations
August 1, 2011State Compliance achieved2 linked violations
August 1, 2011State Compliance achieved3 linked violations
August 1, 2011State Compliance achieved2 linked violations
August 1, 2011State Compliance achieved2 linked violations
August 1, 2011State Compliance achieved2 linked violations
August 1, 2011State Compliance achieved2 linked violations
April 25, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 1, 2011State Compliance achieved2 linked violations
February 22, 2011State Violation/Reminder Notice16 linked violations
February 18, 2011State Compliance achieved2 linked violations
October 26, 2010State Violation/Reminder Notice2 linked violations
August 2, 2010State Violation/Reminder Notice2 linked violations
May 24, 2010State Violation/Reminder Notice2 linked violations
February 22, 2010State Violation/Reminder Notice25 linked violations
December 28, 2009State Violation/Reminder Notice3 linked violations
November 23, 2009State Violation/Reminder Notice1 linked violation
June 29, 2009State Compliance achieved3 linked violations
May 12, 2008State Compliance achieved34 linked violations
June 27, 2006State Compliance achieved29 linked violations
July 11, 2005State Compliance achieved22 linked violations
August 26, 2003State Compliance achieved2 linked violations
June 28, 2001State Compliance achieved1 linked violation
March 16, 1998State Administrative/Compliance Order with penalty issued1 linked violation
January 10, 1997State Public Notification received1 linked violation
August 9, 1996State Public Notification received1 linked violation
April 12, 1996State Public Notification received2 linked violations
January 12, 1996State Public Notification received1 linked violation
May 4, 1995State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 21, 1994State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
October 24, 1994State Compliance achieved1 linked violation
October 17, 1994State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

YOUNGS RIVER LEWIS & CLARK WD

503-325-4330

ASTORIA, OR 97103