WEST SEQUIM BAY INC
Washington — Community Water System — PWSID: WA5354192
System Information
| PWSID | WA5354192 |
| System Name | WEST SEQUIM BAY INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Sep 13, 1989 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | SEQUIM |
| ZIP Code | 98382 |
| Address | PO BOX 92 |
| Organization | WEST SEQUIM BAY INC |
| Phone | — |
Population & Service
| Population Served | 2,759 |
| Service Connections | 113 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 28, 2025 | Consumer Confidence Rule |
| Aug 1, 2024 | Aug 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | Revised Total Coliform Rule |
| Sep 1, 2022 | Sep 30, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2022 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2020 | Aug 31, 2020 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Aug 31, 2020 | Revised Total Coliform Rule |
| May 1, 2020 | May 31, 2020 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | May 31, 2020 | Revised Total Coliform Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 24, 2018 | Consumer Confidence Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 2006 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1998 | Total Coliform Rule |
| Oct 19, 1994 | Nov 18, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 18, 1994 | Total Coliform Rule |
| Oct 19, 1994 | Nov 18, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 18, 1994 | Total Coliform Rule |
| Jan 1, 1993 | Jan 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1993 | Total Coliform Rule |
| Jun 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform Rule |
| Apr 1, 1992 | Apr 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1992 | Total Coliform Rule |
| Mar 1, 1992 | Mar 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1992 | Total Coliform Rule |
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.