CORBETT, OR · Multnomah County

CORBETT WATER DISTRICT 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): OR4100359
System type: Community Water System
Population served: 2,954
Service connections: 1,081
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2025 – April 4, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – December 5, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2018 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2018 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2018 – June 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2017 – August 20, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2017 – July 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2016 – October 31, 2016
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2016 – September 30, 2016
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2016 – August 31, 2016
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, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2012 – December 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2011 – March 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2011 – March 31, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Vinyl chloride
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
—
1,1,2-Trichloroethane
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
—
Benzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Styrene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2007 – October 31, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
LASSO
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endrin
January 1, 2005 – December 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 30, 1999 – November 22, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1995 – August 31, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1995 – July 31, 1995
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – November 14, 1994
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
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
January 1, 2025 – April 4, 2025	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
October 1, 2024 – December 5, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2017 – August 20, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2016 – September 30, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2016 – August 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform 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
December 1, 2012 – December 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2010 – April 30, 2010	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Vinyl chloride	—	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	1,1,2-Trichloroethane	—	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	Benzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Styrene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2007 – October 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Styrene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	LASSO	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endrin	—	Resolved
July 30, 1999 – November 22, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper 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, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1994 – August 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 1994 – June 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1994 – November 14, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
December 1, 1991 – December 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 1991 – December 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
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

April 4, 2025State Compliance achieved1 linked violation
December 5, 2024State Compliance achieved1 linked violation
December 6, 2018State Compliance achieved4 linked violations
August 20, 2018State Compliance achieved1 linked violation
January 26, 2018State Compliance achieved2 linked violations
January 12, 2018State Compliance achieved1 linked violation
September 6, 2017State Compliance achieved3 linked violations
November 10, 2016State Compliance achieved2 linked violations
September 6, 2013State Compliance achieved3 linked violations
February 4, 2013State Violation/Reminder Notice2 linked violations
December 14, 2012State Compliance achieved4 linked violations
October 29, 2012State Violation/Reminder Notice3 linked violations
June 22, 2012State Compliance achieved2 linked violations
April 30, 2012State Violation/Reminder Notice3 linked violations
June 27, 2011State Public Notification received6 linked violations
April 25, 2011State Violation/Reminder Notice4 linked violations
March 16, 2011State Compliance achieved2 linked violations
May 24, 2010State Violation/Reminder Notice1 linked violation
November 22, 2005State Compliance achieved1 linked violation
June 18, 1999State Compliance achieved1 linked violation
November 14, 1994State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued1 linked violation

Contact

CORBETT WATER DISTRICT

503-695-2284

CORBETT, OR 97019