Public Water Systems
4,557 active water systems in WA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| NORTHWEST TREK | Eatonville, WA | 1,283 | 19 | Clean |
| ROCHESTER HIGH SCHOOL | Rochester, WA | 1,275 | 42 | — |
| CARLYON BEACH HOMEOWNERS | OLYMPIA, WA | 1,273 | 29 | — |
| WALLA WALLA UNIVERSITY | Walla Walla, WA | 1,273 | 34 | — |
| Western Forest Industries Museum | Eatonville, WA | 1,266 | 3 | — |
| FREELAND WATER AND SEWER DISTRICT | Freeland, WA | 1,264 | 91 | — |
| BC WATER CO | Kennewick, WA | 1,262 | 29 | — |
| LAKEVIEW PARK WATER ASSN | Quincy, WA | 1,259 | 83 | — |
| GARFIELD COUNTY FAIRGROUNDS | Pomeroy, WA | 1,250 | 7 | — |
| FRONTIER COUNTY PARK | Puyallup, WA | 1,233 | 3 | — |
| FROG POND | POUSLBO, WA | 1,229 | 28 | — |
| STEVENS CO PUD - WAITTS LAKE | Loon Lake, WA | 1,216 | 6 | — |
| ROY CITY OF | ROY, WA | 1,214 | 6 | — |
| CAMA BEACH STATE PARK | Camano Island, WA | 1,210 | 12 | — |
| WASHINGTON STATE CORRECTIONS-WOMEN | Gig Harbor, WA | 1,205 | 13 | — |
| SOUTH WHIDBEY STATE PARK | Coupeville, WA | 1,203 | 5 | — |
| KEYPORT WATER | Poulsbo, WA | 1,202 | 4 | — |
| Community Sewer and Water District | Kennewick, WA | 1,200 | 150 | — |
| WHITWORTH UNIVERSITY | Spokane, WA | 1,200 | 151 | — |
| Harrison Well #2 | Yakima, WA | 1,200 | 52 | — |
| FISHERMAN BAY WATER ASSOCIATION | Lopez Island, WA | 1,195 | 35 | — |
| WARM BEACH CONFERENCE GROUNDS | Mount Vernon, WA | 1,190 | 46 | — |
| LEWIS CO WATER DIST #1 | Napavine, WA | 1,174 | 400 | — |
| PONDEROSA COMMUNITY CLUB INC | Leavenworth, WA | 1,170 | 38 | — |
| Monse-Riggan Camp | Brewster, WA | 1,165 | 13 | — |
| WEILER-MARTIN TRACTS WATER ASSN | Quincy, WA | 1,163 | 79 | — |
| BASIN WATER SOURCES INC | Cle Elum, WA | 1,158 | 32 | — |
| MEADOWMEER | Port Orchard, WA | 1,157 | 773 | — |
| BOSTON HARBOR | Olympia, WA | 1,153 | 62 | — |
| KOPACHUCK MIDDLE & VOYAGER ELEM WS | Gig Harbor, WA | 1,150 | 26 | — |
| PATEROS WATER DEPARTMENT | Pateros, WA | 1,149 | 93 | — |
| NEWBERRY HILL | Poulsbo, WA | 1,143 | 3 | — |
| ASHFORD WATER DISTRICT | Ashford, WA | 1,141 | 31 | — |
| WATERVILLE TOWN OF | Waterville, WA | 1,140 | 74 | — |
| MARYHILL STATE PARK | Goldendale, WA | 1,133 | 26 | — |
| ELMA REST AREA | Aberdeen, WA | 1,122 | 34 | — |
| PARADISE POINT STATE PARK | Stevenson, WA | 1,114 | 23 | — |
| QUISTORFF | Tacoma, WA | 1,113 | 48 | Detected |
| W&B WATERWORKS 1 | Freeland, WA | 1,112 | 1,660 | — |
| CRESCENT BAR SYSTEM | Ephrata, WA | 1,108 | 43 | — |
| BEARDS COVE | Shelton, WA | 1,100 | 18 | — |
| TEKOA CITY OF | Tekoa, WA | 1,076 | 67 | — |
| SUNSHINE ACRES | Tacoma, WA | 1,074 | 64 | — |
| MILLER BAY | Poulsbo, WA | 1,072 | 4 | — |
| CAMANO CO-OP WATER & POWER CO | Mount Vernon, WA | 1,071 | 19 | — |
| WILKESON WATER DEPARTMENT | Wilkeson, WA | 1,071 | 22 | — |
| ALTA LAKE STATE PARK | Pateros, WA | 1,071 | 11 | — |
| Schilter Family Farm Store | Port Orchard, WA | 1,056 | 2 | — |
| POTLATCH STATE PARK | Sequim, WA | 1,055 | 13 | — |
| HOLIDAY RANCHETTES | Tacoma, WA | 1,050 | 13 | — |