Yakima, WA · Yakima County
Sundquist TWH-Terrace Heights Water System
Consumer Confidence Report status
Sundquist TWH-Terrace Heights 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 Sundquist TWH-Terrace Heights.
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)
- WA53AD423
- System type
- Community Water System
- Population served
- 192
- Service connections
- 1
- Ownership
- privately owned
- Water source
- groundwater (wells)
Sundquist TWH-Terrace Heights is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 192 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2018 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
All 2 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 the Total Coliform Rules and the Lead and Copper Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2019 – August 31, 2019
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 2018 – October 17, 2019
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 2019 – August 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2018 – October 17, 2019 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 17, 2019State Compliance achieved1 linked violation
- October 15, 2019State Compliance achieved2 linked violations
Common questions
Is Sundquist TWH-Terrace Heights required to publish a Consumer Confidence Report?
- Yes. Sundquist TWH-Terrace Heights 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 Sundquist TWH-Terrace Heights’s next Consumer Confidence Report due?
- Sundquist TWH-Terrace Heights’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Sundquist TWH-Terrace Heights have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Sundquist TWH-Terrace Heights.
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
Sundquist TWH-Terrace Heights
Phone not on record
Yakima, WA 98901