Browse Water Systems

10,030 public water systems in WA.

Public Water Systems Database

Browse 10,030 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
CHELATCHIE PRAIRIE GENERAL STORE WA5360653 Washington Transient Non-Community 407
COLONIAL CREEK CAMPGROUND WA53NP120 Washington Transient Non-Community 407
HEART OF THE HILLS WA53NP340 Washington Transient Non-Community 406
OAKS MOBILE PARK WA5333201 Washington Community 406
SWIFT CAMPGROUND PP AND L CO WA5386631 Washington Transient Non-Community 406
LAKE MARGARET WATER SYSTEM WA5344200 Washington Community 406
MUSTARD SEED WA5312131 Washington Transient Non-Community 405
MT BAKER SKI AREA HEATHER MEADOWS WA5315676 Washington Transient Non-Community 405
VANTAGE WATER SYSTEM WA5391250 Washington Community 405
LAKE RETREAT CAMP & CONF CENTER WA5344400 Washington Community 404
Evangelical Free Church WA53AC940 Washington Transient Non-Community 404
Ridge Motorsports Park WA53AD325 Washington Transient Non-Community 403
WSDP MT SPOKANE STATE PARK #6 WA53SP015 Washington Transient Non-Community 403
BRIDGEMART WATER SYSTEM WA5324481 Washington Transient Non-Community 403
PARADISE ESTATES WA5366125 Washington Community 403
CAMP BONNEVILLE/CAMP KILLPACK WA5310820 Washington Transient Non-Community 403
SKAGIT CO PUD - CEDARGROVE WA5311917 Washington Community 402
LOPEZ SCHOOL DISTRICT #144 WA5348276 Washington Non-Transient Non-Community 402
MICKEY FINNS BAR AND GRILL WA5369153 Washington Transient Non-Community 402
BUCKLIN WA5366936 Washington Community 402
MARBLEMOUNT DRIVE IN WA5373680 Washington Transient Non-Community 401
LA WIS WIS CAMPGROUND WA53FS485 Washington Transient Non-Community 401
IRON CREEK WA53FS416 Washington Transient Non-Community 401
LAKE MERWIN CAMPERS HIDEAWAY SYS 2 WA5316799 Washington Transient Non-Community 401
LUMMI WATER DISTRICT #1 105300029 Washington Community 400
UNITED ENGINEERS & CONSTRUCTORS WA5390416 Washington Transient Non-Community 400
PORT GAMBLE - LOWER - CWS WA53IH650 Washington Community 400
KENDALL ELEMENTARY SCHOOL WA5308225 Washington Non-Transient Non-Community 400
OTHELLO MANOR LLC WA5364845 Washington Community 400
GIRDWOOD STATION MALL - TESORO #30054 AK2214968 Washington Transient Non-Community 400
LUMMI WATER DISTRICT #1 WA53IH479 Washington Community 400
TRIDENT SEAFOODS INC. SAND PT AK2262351 Washington Non-Transient Non-Community 400
RITE AID #04340 - BURTON MI2163525 Washington Transient Non-Community 400
WSP - SPOKANE RIVER PORT OF ENTRY WA5314799 Washington Transient Non-Community 400
COUGAR CORNER WATER SYSTEM WA5307699 Washington Transient Non-Community 400
ARCO AM/PM #82610 OR4195223 Washington Transient Non-Community 400
SIERRA COUNTRY CLUB WA5378975 Washington Community 400
COLVILLE CONFEDERATED TRIBES OR5300005 Washington Community 400
WINLOCK HIGH SCHOOL WA5356555 Washington Non-Transient Non-Community 400
Northwest Water Assoc. Inc. WA5362000 Washington Community 400
GRANDVIEW-NORTHGATE INDUSTRIAL PARK WA5300638 Washington Non-Transient Non-Community 400
OMAK HUD TRAILER COURT WA53IH579 Washington Community 400
QUINCY LIVESTOCK MARKET, INC. WA5317488 Washington Transient Non-Community 400
MERIDIAN ACRES WA5311061 Washington Community 400
ELFENDAHL PASS WA5302785 Washington Community 400
TESORO NORTHWEST COMPANY WA5378050 Washington Non-Transient Non-Community 400
THURSTON COUNTY WATER DISTRICT #2 WA5388250 Washington Community 400
BERTRAND COURT WA5356865 Washington Community 400
BIA WATER SYSTEM WA5303585 Washington Community 400
YELM SCHOOL DIST #2 WA5399345 Washington Transient Non-Community 398