Browse Water Systems

10,042 public water systems in WA.

Public Water Systems Database

Browse 10,042 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.

Clear
System Name PWSID State Type Population Served
KING COUNTY WATER DISTRICT #17 WA5338850 Washington Community 350
Honeywell Electronic Mfg LLC WA5314313 Washington Non-Transient Non-Community 350
DAY ISLAND CLUB WA5318200 Washington Community 350
CHEWELAH WATER DEPT NORTH WA5309156 Washington Community 350
OLALLA SCHOOL WA5363213 Washington Non-Transient Non-Community 350
MERIDIAN MIDDLE SCHOOL WA5352847 Washington Non-Transient Non-Community 350
BELL BAY JACKSON WATER ASSOCIATION WA5305450 Washington Community 350
SKYLARK VILLAGE MHP WA5303342 Washington Community 350
CURLEW CONSERVATION CENTER WA53FS165 Washington Community 349
LAKE CRESCENT BARNES POINT WA53NP500 Washington Transient Non-Community 349
DUNGENESS GOLF COURSE AND MT VISTA WA5320453 Washington Community 348
CRESTON PUBLIC WATER WA5316150 Washington Community 348
HAT ISLAND COMMUNITY INC WA5331593 Washington Community 348
SOL DUC RESORT CAMPGROUND WA53NP800 Washington Transient Non-Community 347
LEWIS RIVER RV PARK WA5329521 Washington Community 347
Summit Pacific Medical Center WA53AD837 Washington Non-Transient Non-Community 346
WEYERHAEUSER COMPANY WA5395455 Washington Non-Transient Non-Community 345
MASI SHOP 105300129 Washington Transient Non-Community 345
BEAUX ARTS WATER DEPARTMENT WA5305160 Washington Community 345
JACKPOT #079 WA5388389 Washington Non-Transient Non-Community 345
BRIDLE TRAILS STATE PARK WA53SP110 Washington Transient Non-Community 344
GRAND MOUND BURGERMASTER WA5339827 Washington Transient Non-Community 344
FIELDS SPRING STATE PARK WA53SP250 Washington Transient Non-Community 344
LAKE ARROWHEAD WA5343600 Washington Community 343
RIVERBEND MOBILE HOME PARK WA5372808 Washington Community 343
SOUTHRIDGE ELM SCHOOL WA5382842 Washington Non-Transient Non-Community 343
Smokiam RV Resort WA5317874 Washington Transient Non-Community 343
APEX WATER SUPPLY INC WA5302685 Washington Community 343
MOBILE MANOR TR. PARK WA5355475 Washington Community 342
RIVER VIEW HIGH WA5372802 Washington Non-Transient Non-Community 341
NISQUALLY SPORTSMENS CLUB WA5359595 Washington Community 341
SULTAN ESTATES WATER SYSTEM WA5384760 Washington Community 340
KELLER 105300006 Washington Community 340
Washington Land Yacht Harbor WA5393085 Washington Community 340
RINGOLD DOMESTIC WATER CORP WA5372500 Washington Community 340
SKYLINE MOBILE HOME PARK WA5380205 Washington Community 340
CAMP THUNDERBIRD WA5337411 Washington Community 339
AHTANUM VALLEY SCHOOL WA5300533 Washington Non-Transient Non-Community 339
KOKKO'S DRIVE INN WA5315803 Washington Transient Non-Community 338
LAKE CUSHMAN PARK LOWER LOOP WA53AA348 Washington Transient Non-Community 337
CORRAL SPRINGS WATER SYSTEM WA5351714 Washington Community 336
EDGEWATER CAMPGROUND WA53FS410 Washington Transient Non-Community 336
PROGRESSIVE FLAT WATER ASSN WA5369650 Washington Community 335
BEAVER VALLEY GENERAL STORE WA5340701 Washington Transient Non-Community 335
LAKE CUSHMAN PARK UPPER LOOP WA53AA349 Washington Transient Non-Community 333
CHATTAROY VALLEY MOBILE ESTATES WA5312243 Washington Community 333
BLAKELY IS. MAINTENANCE COMMISSION WA5318539 Washington Transient Non-Community 333
HARMONY SPORTS WA5354240 Washington Transient Non-Community 333
PORT SUSAN CAMPING CLUB WA5355349 Washington Transient Non-Community 333
EMERALD LAKE WA5323294 Washington Community 331