Yakima, WA · Yakima County
TIETON HILLS WATER CO Water System
Consumer Confidence Report status
TIETON HILLS WATER CO must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for TIETON HILLS WATER CO.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
TIETON HILLS WATER CO is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 75 people from groundwater.
As of August 1, 2026, its federal record holds 28 entries between 1979 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
Of the 28, 27 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Monitoring, Regular
—Nitrate
January 1, 2022 – December 31, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2019 – July 10, 2022
ResolvedMonitoring, Regular
—Barium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Cadmium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Chromium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Mercury
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Nickel
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Selenium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2000 – October 31, 2000
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1999 – September 30, 1999
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 1999 – August 31, 1999
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1999 – May 31, 1999
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1995 – July 31, 1995
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
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 |
| July 1, 1995 – July 31, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | 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 |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | 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
- July 31, 1995State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Common questions
Is TIETON HILLS WATER CO required to publish a Consumer Confidence Report?
- Yes. TIETON HILLS WATER CO is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is TIETON HILLS WATER CO’s next Consumer Confidence Report due?
- TIETON HILLS WATER CO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TIETON HILLS WATER CO have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TIETON HILLS WATER CO.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
TIETON HILLS WATER CO
Phone not on record
Yakima, WA 98908