Public Water Systems
4,557 active water systems in WA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| WHIDBEY WEST WATER ASSOC. | Coupeville, WA | 415 | 111 | — |
| SKOOKUM CHUCK WATER ASSOCIATION | Lynden, WA | 415 | 304 | — |
| SNO PUD 1 - SKYLITE TRACTS | Everett, WA | 415 | 23 | — |
| ALLYN SHOPPING CENTER | Tacoma, WA | 414 | 3 | — |
| PARADISE | Silver Creek, WA | 414 | 20 | — |
| Rainy Pass Rest Area - MethowRd | Winthrop, WA | 413 | 6 | — |
| WASHINGTON PASS WELL - METHOW RD | Winthrop, WA | 413 | 4 | — |
| CHARBONNEAU PARK | Pasco, WA | 411 | 76 | — |
| HARBOR COUNTRY APARTMENTS | Port Orchard, WA | 410 | 30 | — |
| EAST GIG HARBOR WATER DISTRICT | Gig Harbor, WA | 410 | 60 | — |
| TAIDNAPAM PARK | Silver Creek, WA | 410 | 13 | — |
| OLYMPIC SUNSET WEST | Gig Harbor, WA | 410 | 40 | — |
| BERTHUSEN ROAD WATER ASSOCIATION | LYNDEN, WA | 409 | 22 | — |
| RESORT AND MARINA | Chimacum, WA | 409 | 34 | — |
| MARYS CORNER MARKET | Napavine, WA | 409 | 29 | — |
| DEMING LOG SHOW & RV | Bellingham, WA | 407 | 27 | — |
| CHELATCHIE PRAIRIE GENERAL STORE | Woodland, WA | 407 | 12 | — |
| COLONIAL CREEK CAMPGROUND | Marblemount, WA | 407 | 0 | — |
| LAKE MARGARET WATER SYSTEM | Carnation, WA | 406 | 242 | — |
| SWIFT CAMPGROUND PP AND L CO | Woodland, WA | 406 | 7 | — |
| HEART OF THE HILLS | Port Angeles, WA | 406 | 3 | — |
| MUSTARD SEED | Chehalis, WA | 405 | 28 | — |
| MT BAKER SKI AREA HEATHER MEADOWS | Bellingham, WA | 405 | 9 | — |
| VANTAGE WATER SYSTEM | Vantage, WA | 405 | 27 | — |
| LAKE RETREAT CAMP & CONF CENTER | RAVENSDALE, WA | 404 | 167 | — |
| Evangelical Free Church | Pullman, WA | 404 | 13 | — |
| PARADISE ESTATES | Port Orchard, WA | 403 | 45 | — |
| Ridge Motorsports Park | Port Orchard, WA | 403 | 0 | — |
| WSDP MT SPOKANE STATE PARK #6 | Nine Mile Falls, WA | 403 | 29 | — |
| SKAGIT CO PUD - CEDARGROVE | Mount Vernon, WA | 402 | 15 | — |
| LOPEZ SCHOOL DISTRICT #144 | Lopez Island, WA | 402 | 9 | — |
| BUCKLIN | Tacoma, WA | 402 | 13 | — |
| LAKE MERWIN CAMPERS HIDEAWAY SYS 2 | Amboy, WA | 401 | 30 | — |
| IRON CREEK | Randle, WA | 401 | 3 | — |
| LA WIS WIS CAMPGROUND | Randle, WA | 401 | 7 | — |
| GRANDVIEW-NORTHGATE INDUSTRIAL PARK | Ferndale, WA | 400 | 7 | — |
| KENDALL ELEMENTARY SCHOOL | Deming, WA | 400 | 22 | — |
| WINLOCK HIGH SCHOOL | WInlock, WA | 400 | 32 | — |
| Northwest Water Assoc. Inc. | Lynden, WA | 400 | 221 | Detected |
| OTHELLO MANOR LLC | Port Orchard, WA | 400 | 91 | — |
| SIERRA COUNTRY CLUB | Coupeville, WA | 400 | 15 | — |
| COUNTRY MERCANTILE | Pasco, WA | 398 | 31 | — |
| HARTMANS LOG CABIN RESORT INC | Kennewick, WA | 397 | 10 | — |
| PORT OF ALLYN | Shelton, WA | 397 | 14 | — |
| SPEELYAI BAY PARK | Woodland, WA | 395 | 3 | — |
| OLGA WATER USERS INC | Eastsound, WA | 392 | 37 | — |
| OLYMPIC CORRECTIONS CENTER | FORKS, WA | 390 | 19 | — |
| Gold Beach Water Company | Vashon, WA | 390 | 17 | — |
| LAKE SPOKANE CAMPGROUND | Nine Mile Falls, WA | 390 | 1 | — |
| ALPENHORN CAFE | Chelan, WA | 389 | 26 | — |