wapato, WA · Yakima County

WAPATO WATERWORKS 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): WA5392800
System type: Community Water System
Population served: 5,255
Service connections: 1,506
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – February 20, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2024 – December 31, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2021 – September 26, 2024
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Mercury
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Selenium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Barium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Chromium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Barium
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Chromium
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Mercury
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Nickel
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Selenium
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
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
July 1, 2024 – February 20, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2021 – September 26, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Barium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chromium	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Barium	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chromium	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Mercury	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Nickel	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Selenium	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived

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

Enforcement actions

September 18, 2025State Compliance achieved1 linked violation
September 18, 2025State Compliance achieved1 linked violation
February 20, 2025State Compliance achieved1 linked violation
September 26, 2024State Compliance achieved1 linked violation
October 13, 2014State Compliance achieved1 linked violation
September 4, 2012State Compliance achieved24 linked violations
October 18, 2007State Compliance achieved41 linked violations
October 18, 2007State Compliance achieved53 linked violations
October 18, 2007State Compliance achieved677 linked violations
October 18, 2007State Compliance achieved62 linked violations

Contact

WAPATO WATERWORKS

Phone not on record

wapato, WA 98951