Public Water Systems
4,557 active public water systems in WA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Ocosta Mobile Home Park LLC | Aberdeen, WA | 26 | 262 | — |
| CANYON CREST ORCHARD & RV PARK | Quincy, WA | 26 | 1 | — |
| PSE Wild Horse Maintenance Bldg | Ellensburg, WA | 26 | 31 | — |
| Salish Sea Water System | Lopez Island, WA | 26 | 0 | — |
| Escure Farms | Tonasket, WA | 26 | 0 | — |
| WSDP RIVERSIDE STATE PARK - SHIC | Nine Mile Falls, WA | 26 | 1 | — |
| DECATUR HEAD BEACH ASSOCIATION | Anacortes, WA | 25 | 3 | — |
| DAVIS LAKE WATER SYSTEM | Lake Stevens, WA | 25 | 0 | — |
| SUNDQUIST | Port Orchard, WA | 25 | 37 | — |
| BRISCO POINT | Shelton, WA | 25 | 0 | — |
| Seattle Rifle and Pistol | Port Orchard, WA | 25 | 1 | — |
| GOOSE GAP WATER ASSOCIATION | Richland, WA | 25 | 54 | — |
| Escalona Restaurant | Sunnyside, WA | 25 | 40 | — |
| ALTA DRIVE | Port Orchard, WA | 25 | 8 | — |
| BRUCE ALLEN ORCHARDS | YAKIMA, WA | 25 | 0 | — |
| NILE VALLEY COMMUNITY CHURCH | Naches, WA | 25 | 1 | — |
| SNO PUD 1 - 212 MARKET & DELI | Everett, WA | 25 | 8 | — |
| OMICRON INVESTMENT COMPANY | LACEY, WA | 25 | 4 | — |
| PURDY LANE COMM & GAS STATION | Gig Harbor, WA | 25 | 16 | — |
| SWARD 278 | Lacey, WA | 25 | 0 | — |
| LITTLE BROWN CHURCH OF BLYN | Sequim, WA | 25 | 6 | — |
| JANKE TRUCKING | Chehalis, WA | 25 | 0 | — |
| WINLOCK WATERS 2 | Napavine, WA | 25 | 2 | — |
| THE GALLEY WATER SYSTEM | Lopez, WA | 25 | 29 | — |
| VAN VOGT WATER SYSTEM | Pomeroy, WA | 25 | 0 | — |
| PEND OREILLE MINE | Metaline Falls, WA | 25 | 3 | — |
| SALMON FALLS RETREAT CENTER | BATTLE GROUND, WA | 25 | 18 | — |
| CAMP MELACOMA - POOL HOUSE | Washougal, WA | 25 | 15 | — |
| LYONS FERRY HATCHERY | Starbuck, WA | 25 | 17 | — |
| COUGAR MTN. PARK WT SUPPLY SYS. | Renton, WA | 25 | 21 | — |
| CLEAR CREEK BAPTIST CHURCH | Port Orchard, WA | 25 | 52 | — |
| COUNTY LINE PARK | Cathlamet, WA | 25 | 5 | — |
| QUILCENE LITTLE LEAGUE | PORT TOWNSEND, WA | 25 | 13 | — |
| Foothills Mission Church | Elk, WA | 25 | 33 | — |
| Liberty Market Water Supply | Coupeville, WA | 25 | 22 | — |
| EAST VALLEY MARKET | Yakima, WA | 25 | 66 | — |
| JERRYS LANDING | Elk, WA | 25 | 5 | — |
| EVERGREEN SCHOOL DISTRICT #205 | Gifford, WA | 25 | 14 | — |
| FIRCROFT INC | Eastsound, WA | 25 | 63 | — |
| FROSTAD FARMS WATER ASSN | Oak Harbor, WA | 25 | 0 | — |
| WILDERNESS NORTHWEST | Brinnon, WA | 25 | 8 | — |
| Lighthouse Baptist Church | Chimacum, WA | 25 | 30 | — |
| GUTHRIE COVE ESTATES OWNERS ASSOC | Eastsound, WA | 25 | 52 | — |
| The Inn at Mazama | WA | 25 | 6 | — |
| HARBOR HEIGHTS WATER | Vashon Island, WA | 25 | 34 | — |
| TWIN PINES MOBILE HOME PARK | Tonasket, WA | 25 | 174 | — |
| ENERGY DEPT OF/400 AREA | Richland, WA | 25 | 0 | — |
| LANDS HILL WATER ASSOCIATION | Camano Island, WA | 25 | 10 | — |
| LONGWOOD WATER ASSOCIATION | Clinton, WA | 25 | 20 | — |
| SILVER LAKE PARK - HORSE CAMP | Bellingham, WA | 25 | 5 | — |