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.
| 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 |