Wenatchee, WA · Douglas County

MOSES COULEE WATER ASSOCIATION 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID): WA5305914
System type: Community Water System
Population served: 42
Service connections: 17
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2019 – June 1, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Toluene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Styrene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Styrene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Toluene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Benzene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Benzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Toluene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Styrene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Styrene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Toluene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Benzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – September 11, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
LASSO
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Simazine
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Picloram
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Endrin
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2002 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1999 – February 28, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1996 – July 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1992 – May 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
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, 2019 – June 1, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Toluene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Benzene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Styrene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Styrene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Toluene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Benzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Benzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Toluene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Styrene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Styrene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Toluene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Benzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2015 – September 11, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2010 – June 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	LASSO	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Simazine	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Picloram	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Endrin	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb	—	Resolved
February 1, 1999 – February 28, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1998 – August 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1996 – July 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1992 – August 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1992 – May 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1991 – November 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1991 – October 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

June 1, 2022State Compliance achieved1 linked violation
August 15, 2018State Compliance achieved1 linked violation
October 1, 2017State Compliance achieved80 linked violations
October 31, 2016State Compliance achieved1 linked violation
May 31, 2016State Compliance achieved1 linked violation
September 11, 2015State Compliance achieved1 linked violation
October 20, 2014State Compliance achieved1 linked violation
July 31, 2010State Compliance achieved1 linked violation
September 30, 1992State Violation/Reminder Notice1 linked violation
August 31, 1992State Violation/Reminder Notice1 linked violation
July 31, 1992State Violation/Reminder Notice1 linked violation
June 30, 1992State Violation/Reminder Notice1 linked violation
May 31, 1992State Violation/Reminder Notice1 linked violation
March 31, 1992State Violation/Reminder Notice1 linked violation

Contact

MOSES COULEE WATER ASSOCIATION

Phone not on record

Wenatchee, WA 98801