Washington utilities 501 to 600.
Each serves 457 to 639 people, as it reports to EPA. Your ZIP code finds yours faster.
501 to 600 of 2,220, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Cedar Creek Corrections Center | Littlerock | 639 | Not sampled | 0 |
| Jaw Farms Inc | Malott | 636 | Not sampled | 0 |
| Alderwood Estates | Puyallup | 635 | Not sampled | 0 |
| Duck Lake Water Association | Okanogan | 635 | Not sampled | 0 |
| Colton Water Department | Colton | 632 | Not sampled | 0 |
| Glenwood Water System | Goldendale | 629 | Not sampled | 0 |
| Bywater Bay | Port Townsend | 628 | Not sampled | 0 |
| Priest Point Beach Water Inc | Arlington | 624 | Not sampled | 0 |
| Bridgehaven Community Club | Port Ludlow | 623 | Not sampled | 2 |
| Mecca Community Association | Coupeville | 619 | Not sampled | 0 |
| Lacamas Farmsteads | Tacoma | 615 | Not sampled | 0 |
| Ridge Water Association | Spokane | 615 | Not sampled | 0 |
| Wicks Lake Ranches | Tacoma | 615 | Not sampled | 0 |
| Lewis Co Water Dist #3 | Randle | 611 | Not sampled | 0 |
| Seabeck | Poulsbo | 610 | None found | 0 |
| Albion Water Dept | Albion | 600 | Not sampled | 0 |
| Jefferson County Water Dist #1 | Port Ludlow | 600 | Not sampled | 0 |
| McKenna Water District | McKenna | 600 | Not sampled | 0 |
| Wishram Water System | Goldendale | 599 | Not sampled | 0 |
| Dallesport Water District | Dallesport | 598 | Not sampled | 0 |
| Sandy Hook Park Community Club | Port Orchard | 593 | Not sampled | 0 |
| Town of Metaline Falls | Newport | 593 | Not sampled | 0 |
| Camano Vista Water District | Coupeville | 591 | Not sampled | 0 |
| Bay Center | Raymond | 579 | Not sampled | 0 |
| Bucoda Water Dept | Bucoda | 579 | Not sampled | 0 |
| Meadowbrook Water Association | Lynden | 579 | Not sampled | 0 |
| Raft Island | Tacoma | 575 | Not sampled | 0 |
| City of Sprague | Sprague | 570 | Not sampled | 0 |
| Town of Rockford | Rockford | 570 | Not sampled | 0 |
| Consolidated Support Services | Medical Lake | 569 | None found | 0 |
| Acme Water District No 18 | Acme | 568 | Not sampled | 0 |
| North Whidbey Water District | Oak Harbor | 568 | Not sampled | 0 |
| Westside Water Assn | Vashion Island | 562 | Not sampled | 0 |
| Key Center Water System | Gig Harbor | 561 | Not sampled | 0 |
| Sno PUD 1 - Sunday Lake | Everett | 561 | Not sampled | 0 |
| Tahuyeh Lake Community Club | Port Orchard | 560 | Not sampled | 0 |
| Dungeness Heights | Yelm | 558 | Not sampled | 0 |
| Oasis Water Corporation | Pasco | 556 | Not sampled | 0 |
| Rainier School | Buckley | 556 | Not sampled | 1 |
| Green Tank Irr District 11 | Walla Walla | 553 | Not sampled | 0 |
| Klickitat Water System | Goldendale | 551 | Not sampled | 0 |
| Crescent Park 355 | Lacey | 550 | Not sampled | 0 |
| Stevens Co PUD - Valley | Loon Lake | 550 | None found | 0 |
| Foxhall | Tacoma | 549 | Not sampled | 0 |
| Brewster Flat Domestic Water Assn | Brewster | 542 | Not sampled | 0 |
| South Cle Elum Water Dept | South Cle Elum | 541 | Not sampled | 0 |
| Hamilton Water Department | Maple Falls | 540 | Not sampled | 0 |
| Inchelium Water District | Tonasket | 540 | Not sampled | 1 |
| Old Settlers Water Association | Custer | 540 | Not sampled | 0 |
| Sandy Hook Yacht Club Estates | Freeland | 540 | Not sampled | 0 |
| Shore Acres Water Company | Gig Harbor | 540 | Not sampled | 0 |
| Madrona Beach Comm Water System | Stanwood | 539 | Not sampled | 0 |
| Stevens Co PUD - Spokane Lake Park | Loon Lake | 532 | Not sampled | 0 |
| Burbank Irrigation District 4 | Pasco | 527 | Not sampled | 0 |
| Bethel Green Acres Water Assn | Tacoma | 522 | Not sampled | 0 |
| Town of Prescott | Walla Walla | 522 | Not sampled | 0 |
| Great Basin Water Kiona | Pasco | 520 | Not sampled | 0 |
| MT. Vista - Dungeness Golf Course | Sequim | 517 | None found | 0 |
| Rolling Firs Evergreen Terrace | Tacoma | 514 | Not sampled | 0 |
| Kittitas County Water District #4 | Thorp | 510 | Not sampled | 0 |
| Nespelem Water Dept | Nespelem | 510 | Not sampled | 0 |
| Stevens Co PUD - West Shore | Loon Lake | 505 | Not sampled | 0 |
| Deming Water Assoc. | Deming | 501 | Not sampled | 0 |
| Columbia View Water System | West Richland | 500 | Not sampled | 0 |
| Home Valley Water District | Stevenson | 500 | Not sampled | 0 |
| Mount Baker Water Association | Bellingham | 500 | Not sampled | 1 |
| Sunvista Sunlight Beach HOA | Coupeville | 500 | Not sampled | 0 |
| Silver Hawk | Port Orchard | 499 | Not sampled | 0 |
| Sea View Water LLC | Freeland | 496 | Not sampled | 0 |
| Lagoon Point Water District | Greenbank | 495 | Not sampled | 0 |
| Mesa Water Department | Mesa | 495 | Not sampled | 0 |
| Newaukum Hill Water Assn | Chehalis | 493 | Not sampled | 0 |
| Quail Run 667 | Lacey | 493 | Not sampled | 0 |
| South Fox Island Water System | Gig Harbor | 493 | Not sampled | 0 |
| Town of Oakesdale | Oaksdale | 492 | Not sampled | 0 |
| P and G Orchards Camp 2 | Brewster | 489 | Not sampled | 0 |
| Town of South Prairie | South Prairie | 489 | Not sampled | 0 |
| Countrywood Estates 680 | Lacey | 488 | Not sampled | 0 |
| Dungeness Meadows | Sequim | 488 | None found | 0 |
| Endicott Water Dept | Waverly | 488 | Not sampled | 0 |
| Roosevelt Lake Ranch | Wilbur | 487 | Not sampled | 0 |
| Spo Co Water Dist 3 Sys 5 | Spokane | 485 | Not sampled | 0 |
| S & I | Tacoma | 482 | Not sampled | 0 |
| Twanoh Falls Beach Club | Shelton | 481 | Not sampled | 0 |
| Arlenes Addition | Burbank | 480 | Not sampled | 0 |
| Classic Heights | Tacoma | 480 | Not sampled | 0 |
| Black Lake Bible Camp & Conf Ctr | Olympia | 477 | Not sampled | 1 |
| Saratoga Water District | Coupeville | 477 | Not sampled | 10 |
| Louie Joe Water Association | Everson | 471 | Not sampled | 0 |
| Pomona View Mobile Park | Yakima | 470 | Not sampled | 0 |
| Sugarloaf Water System | Kent | 468 | Not sampled | 0 |
| Monterra | Sequim | 464 | Not sampled | 0 |
| Kittitas County Water District #7 | Cle Elum | 463 | Not sampled | 0 |
| Lake Alyson | Freeland | 463 | Not sampled | 1 |
| Dungeness Bay Plat | Sequim | 461 | Not sampled | 0 |
| Hartstene Pointe | Shelton | 460 | Not sampled | 4 |
| Penn Cove Water and Sewer District | Oak Harbor | 460 | Not sampled | 20 |
| Wilkshire Lane Water District Inc | Arlington | 460 | Not sampled | 0 |
| Dugualla Community Inc | Oak Harbor | 459 | Not sampled | 0 |
| Wandering Creek Homeowners Assoc | Bothell | 457 | Not sampled | 0 |
Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Washington State Department of Health, Office of Drinking Water.
Where to go next
- Read your utility’s own reportIt covers contaminants these pages don’t show, and its own latest results.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
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