Browse Water Systems

10,046 public water systems in WA.

Public Water Systems Database

Browse 10,046 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
BENTON COUNTY TWO RIVERS PARK WA5390070 Washington Transient Non-Community 474
SPAR RESTAURANT WA5302788 Washington Transient Non-Community 474
SEABECK ELEMENTARY SCHOOL WA5376955 Washington Non-Transient Non-Community 473
WELLPINIT SCHOOL 105300156 Washington Non-Transient Non-Community 473
WYNOOCHEE WILDWOOD PARK WA5306615 Washington Transient Non-Community 471
LOUIE JOE WATER ASSOCIATION WA5329014 Washington Community 471
MOSES LAKE LIVESTOCK AUCTION WA5356305 Washington Community 471
EVERGREEN S.D. #114, SIFTON ELEM. WA5318581 Washington Non-Transient Non-Community 470
POMONA VIEW MOBILE PARK WA5365820 Washington Community 470
GREEN MOUNTAIN ELEMENTARY SCHOOL WA5303368 Washington Non-Transient Non-Community 470
SUGARLOAF WATER SYSTEM WA5346316 Washington Community 468
CHAMBERLAIN LAKE REST AREA WA53HD085 Washington Transient Non-Community 467
SCHAFER STATE PARK WA53SP790 Washington Transient Non-Community 465
MONTERRA WA5355990 Washington Community 464
LAKE ALYSON WA5350691 Washington Community 463
KITTITAS COUNTY WATER DISTRICT #7 WA5385295 Washington Community 463
LITTLEROCK ELEMENTARY WA5347545 Washington Non-Transient Non-Community 463
WOLF DEN RESTAURANT 105300148 Washington Transient Non-Community 462
DUNGENESS BAY PLAT WA5320300 Washington Community 461
WILKSHIRE LANE WATER DISTRICT INC WA5396930 Washington Community 460
PENN COVE WATER AND SEWER DISTRICT WA5366950 Washington Community 460
ELTOPIA MIGRANT HEAD START CENTER I WA5351744 Washington Transient Non-Community 460
HARTSTENE POINTE WA5331569 Washington Community 460
DUGUALLA COMMUNITY INC WA5320250 Washington Community 459
WAUNA VISTA WA5393805 Washington Community 459
Chehalis Livestock Auction & Cafe WA5308180 Washington Transient Non-Community 457
ALASKA AIRLINES BETHEL AK2272000 Washington Transient Non-Community 457
WANDERING CREEK HOMEOWNERS ASSOC WA5323486 Washington Community 457
CRESAP BAY PARK AND CAMPGROUND WA5302347 Washington Transient Non-Community 456
CHINOOK ESTATES WA5336294 Washington Community 455
PARADISE WA5367758 Washington Transient Non-Community 454
BLACK DIAMOND WATER DISTRICT WA5307221 Washington Community 452
CRYSTAL WATERS WATER SYSTEM WA5300928 Washington Non-Transient Non-Community 452
FINLEY ELEMENTARY SCHOOL (NEW) WA5302558 Washington Non-Transient Non-Community 450
Maple Lane Behavioral Health WA5351195 Washington Community 450
LANGLEY ELEMENTARY SCHOOL WA5345953 Washington Non-Transient Non-Community 450
RED SALMON CANNERY AK2261478 Washington Transient Non-Community 450
LAKE WILDERNESS ELEMENTARY WA5345080 Washington Transient Non-Community 450
HILLS MFGD HOME COMMUNITY, THE WA5387777 Washington Community 450
DELTA WATER ASSOCIATION WA5318750 Washington Community 450
BOISE CASCADE CORP WA5307596 Washington Non-Transient Non-Community 450
WEYERHAUSER CO TOKUL CREEK WA5395500 Washington Non-Transient Non-Community 450
VAUGHN ELEMENTARY SCHOOL WA5324761 Washington Non-Transient Non-Community 450
COUNTRY MANOR MOBILE HOME PARK WA5315521 Washington Community 450
PANORAMA POINT CAMPGROUND WA53FS023 Washington Transient Non-Community 450
CARROLLS WATER ASSN WA5311300 Washington Community 449
Port of Royal Slope WA5300020 Washington Non-Transient Non-Community 447
SKAGIT CO PUD - ALGER WA5301400 Washington Community 446
AMBOY INTERMEDIATE SCHOOL WA5301967 Washington Non-Transient Non-Community 445
NESPELEM AGENCY 105300007 Washington Community 445