SUMMERSET WEST WATER ASSOCIATION
Washington — Community Water System — PWSID: WA5385080
System Information
| PWSID | WA5385080 |
| System Name | SUMMERSET WEST WATER ASSOCIATION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Othello |
| ZIP Code | 99344 |
| Address | 1010 S. 3rd AVE |
| Organization | SUMMERSET WEST WATER ASSOCIATION |
| Phone | — |
Population & Service
| Population Served | 240 |
| Service Connections | 72 |
Drinking Water Violations (61)
This water system has 61 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Oct 1, 2025 | — | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Oct 5, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2019 | — | MR | No | No | — | TT | — | Resolved | Aug 1, 2022 | — | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2018 | — | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2018 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2022 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.