CLALLAM BAY SEKIU
Washington — Community Water System — PWSID: WA5313200
System Information
| PWSID | WA5313200 |
| System Name | CLALLAM BAY SEKIU |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Carlsborg |
| ZIP Code | 98324 |
| Address | PO Box 1000 |
| Organization | CLALLAM BAY SEKIU |
| Phone | — |
Population & Service
| Population Served | 1,824 |
| Service Connections | 534 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2021 | Jun 30, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2021 | Revised Total Coliform Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 10, 2018 | Consumer Confidence Rule |
| Jan 1, 2017 | Dec 31, 2017 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2017 | Nitrate Rule |
| Jan 1, 2014 | Dec 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Dec 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2000 | Jun 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 2000 | Total Coliform Rule |
| Mar 1, 1997 | Mar 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1997 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad 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.