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 |
|---|---|---|---|---|
| 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 | - |