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 | Mar 26, 2026 |
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 (28)
This water system has 28 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 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2025 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | No | - | - | - | Resolved | Sep 30, 2022 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | No | - | - | - | Resolved | Aug 31, 2020 | - | |
| May 1, 2020 | May 31, 2020 | MON | No | No | - | - | - | Resolved | May 31, 2020 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Sep 24, 2018 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2006 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2000 | - | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | - | - | - | Resolved | Dec 31, 1999 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1998 | - | |
| Jan 1, 1998 | Jan 1, 2000 | MR | No | No | - | TT | - | Resolved | Jan 1, 2000 | - | |
| Oct 19, 1994 | Nov 18, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 18, 1994 | - | |
| Oct 19, 1994 | Nov 18, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 18, 1994 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Archived | Jun 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 | No | - | 5% of samples | - | Archived | Apr 30, 1992 | - | |
| Mar 1, 1992 | Mar 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 1992 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.