County · Washington
Clallam County, Washington: drinking water records
This overview covers 8 ZIP codes and 68 community water systems in Clallam County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Crescent Water Assn WA5316020 | 2,360 | 120 | 0 | 1 | 0 ppb |
| Port Angeles City of WA5368550 | 28,067 | 120 | 0 | 0 | 2 ppb |
| Sequim City of WA5377620 | 14,293 | 180 | 1 | 0 | 2.1 ppb |
| Port Angeles Composite WA5343296 | 8,872 | 420 | 1 | 0 | 1.6 ppb |
| Forks Municipal Water Dept WA5326000 | 3,468 | 120 | 0 | 0 | 2 ppb |
| West Sequim Bay INC WA5354192 | 2,759 | 60 | 0 | 0 | 1 ppb |
| Makah Neah Bay 105300012 | 1,300 | 0 | 0 | 19 | 2 ppb |
| Diamond Point WA5319210 | 810 | 0 | 0 | 1 | 0 ppb |
| Mt. Vista - Dungeness Golf Course 105388889 | 517 | 120 | 0 | 0 | 0 ppb |
| Dungeness Meadows WA5320445 | 488 | 180 | 0 | 0 | 0 ppb |
| Vistas INC WA5358144 | 241 | 0 | 0 | 1 | 0 ppb |
| Four Seasons Park WA5300302 | 225 | 0 | 0 | 1 | 1 ppb |
| Lake Pleasant Mobile Home & RV Park WA5363240 | 66 | 0 | 0 | 1 | 0.5 ppb |
| Cedar Grove Mobile Park WA5336836 | 40 | 60 | 0 | 0 | 2.5 ppb |
| Dry Creek Water Association WA5320050 | 3,030 | 0 | 0 | 0 | 5 ppb |
| Sunland Water District WA5385260 | 2,235 | 0 | 0 | 0 | 5 ppb |
| Clallam Bay Sekiu WA5313200 | 1,719 | 0 | 0 | 0 | 1.8 ppb |
| Evergreen Clallam County PUD 1 WA5324181 | 1,694 | 0 | 0 | 0 | 2.3 ppb |
| Carlsborg Lud 10 12 13 14 WA5300307 | 1,349 | 0 | 0 | 0 | 2.4 ppb |
| Sunshine Acres WA5386250 | 1,074 | 0 | 0 | 0 | 1.4 ppb |
| Estates INC WA5308166 | 1,043 | 0 | 0 | 0 | 2 ppb |
| Solmar Water WA5381315 | 895 | 0 | 0 | 0 | 3 ppb |
| Quileute Water System 105300016 | 885 | 0 | 0 | 0 | 2 ppb |
| Dungeness Heights WA5320425 | 558 | 0 | 0 | 0 | 2 ppb |
| Lower Elwha Valley 105300087 | 511 | 0 | 0 | 0 | 9 ppb |
ZIP reports in Clallam County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 98326.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.