Yakima, WA · Yakima County

TIETON HILLS WATER CO 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): WA5388298
System type: Community Water System
Population served: 75
Service connections: 32
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2019 – July 10, 2022
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
—
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
—
Selenium
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
—
Arsenic
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2000 – October 31, 2000
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1999 – September 30, 1999
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1999 – August 31, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1999 – May 31, 1999
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
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
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2019 – July 10, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	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, 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	Selenium	—	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	Arsenic	—	Resolved
October 1, 2000 – October 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1999 – September 30, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1999 – August 31, 1999	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1999 – May 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	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	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived

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

Enforcement actions

March 29, 2023State Compliance achieved1 linked violation
July 10, 2022State Compliance achieved1 linked violation
June 13, 2011State Compliance achieved12 linked violations
June 30, 1998State Violation/Reminder Notice20 linked violations
July 31, 1995State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

TIETON HILLS WATER CO

Phone not on record

Yakima, WA 98908