SHIRONA WATER SYSTEM
Washington — Community Water System — PWSID: WA5378373
System Information
| PWSID | WA5378373 |
| System Name | SHIRONA WATER SYSTEM |
| 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 | Coupeville |
| ZIP Code | 98239 |
| Address | 102 SW Terry Rd |
| Organization | SHIRONA WATER SYSTEM |
| Phone | — |
Population & Service
| Population Served | 243 |
| Service Connections | 102 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 89.98 UG/L | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Oct 6, 2025 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 1, 2024 | — | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Apr 1, 2004 | Apr 30, 2004 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 2004 | — | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | — | — | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Jan 1, 2000 | MR | No | No | — | TT | — | Resolved | Jan 1, 2000 | — | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1998 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1998 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1998 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 1994 | — | |
| Nov 1, 1992 | Nov 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1992 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| May 1, 1992 | May 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | May 31, 1992 | — | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1992 | — | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.