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 |
|---|---|---|---|---|
| WHATCOM COUNTY WATER DIST NO 17 | WA5306051 | Washington | Community | 330 |
| KACKMAN CREEK | WA5307619 | Washington | Community | 330 |
| LACKAMAS ELEMENTARY SCHOOL | WA53AB023 | Washington | Non-Transient Non-Community | 330 |
| KALISPEL | 105300036 | Washington | Community | 330 |
| GREATER BAR WATER DISTRICT | WA5319910 | Washington | Community | 330 |
| River Bluff Water System | WA53AB843 | Washington | Community | 330 |
| RO-ANN APTS | WA5373120 | Washington | Community | 329 |
| Crane Ranch | WA5315818 | Washington | Community | 329 |
| BLACK LAKE ESTATES | WA5326071 | Washington | Community | 329 |
| Ritchie Brothers | WA53AC597 | Washington | Transient Non-Community | 328 |
| HAWK ACRES 607 | WA5331845 | Washington | Community | 328 |
| LONGVIEW ELEMENTARY SCHOOL | WA5312340 | Washington | Community | 328 |
| PORT OF SHELTON JOHNS PRAIRIE | WA5300620 | Washington | Non-Transient Non-Community | 328 |
| SPEEDWAY TALKEETNA | AK2224206 | Washington | Transient Non-Community | 328 |
| LOST LAKE | WA5302897 | Washington | Community | 328 |
| HARRAH ELEMENTARY SCHOOL | WA5331390 | Washington | Community | 327 |
| PLEASANT FOREST CAMPING CLUB | WA5305303 | Washington | Community | 327 |
| NINE MILE RESORT | WA5359553 | Washington | Transient Non-Community | 327 |
| CROCKETT LAKE WATER DISTRICT | WA5316256 | Washington | Community | 325 |
| HARMONY GRADE SCHOOL | WA5331355 | Washington | Non-Transient Non-Community | 325 |
| MCCOY LAKE | 105300021 | Washington | Community | 325 |
| SKYKOMISH WATER DEPT | WA5380100 | Washington | Community | 324 |
| MACHIAS RIDGE HOMEOWNERS ASSOC. | WA5320624 | Washington | Community | 324 |
| DEEP LAKE STATE PARK | WA53SP213 | Washington | Transient Non-Community | 323 |
| KCWD #87, THOMAS | WA5341050 | Washington | Community | 322 |
| RUSTLEWOOD | WA5375027 | Washington | Community | 322 |
| BJS Food and Fuel 2 | WA5351786 | Washington | Transient Non-Community | 321 |
| RAINBOW FALLS STATE PARK | WA53SP720 | Washington | Transient Non-Community | 321 |
| TREASURE ISLAND COUNTRY CLUB | WA5389150 | Washington | Community | 321 |
| COLLINS LAKE COMMUNITY CLUB | WA5314057 | Washington | Community | 321 |
| VALLEY HOUSING LLC | 1053AD010 | Washington | Transient Non-Community | 320 |
| ROSEMOUNT | WA5374375 | Washington | Community | 320 |
| KALISPEL COMMUNITY WATER SYSTEM | WA53IH422 | Washington | Community | 320 |
| CAMPBELL FARM | 1053AB363 | Washington | Transient Non-Community | 320 |
| LEIF ERIKSON REC ASSOC | WA5323735 | Washington | Community | 320 |
| Valley Housing LLC | WA53AD010 | Washington | Transient Non-Community | 320 |
| ROCKY POINT COMMUNITY CLUB | WA5304629 | Washington | Community | 320 |
| WHITWORTH WATER DIST #2-SYSTEM #4 | WA5396603 | Washington | Community | 320 |
| KIANA LODGE | 105338110 | Washington | Transient Non-Community | 320 |
| SUNRISE RESORTS - PACIFIC HOLIDAY | WA5336715 | Washington | Transient Non-Community | 319 |
| SWANTOWN WATER DISTRICT | WA5396042 | Washington | Community | 318 |
| 1ST BAPTIST CHURCH OF RIVERVIEW | WA5372970 | Washington | Non-Transient Non-Community | 317 |
| NISQUALLY SPORTSMENS CLUB | WA5359595 | Washington | Community | 317 |
| PURDY SHOPPING CENTER | WA5369940 | Washington | Transient Non-Community | 317 |
| PORT OF VANCOUVER | WA5368850 | Washington | Non-Transient Non-Community | 317 |
| CLEAR LAKE WATER DISTRICT | WA5304512 | Washington | Community | 317 |
| LOVELAND MOBILE ESTATES | WA5348475 | Washington | Community | 317 |
| RESTOVER TRUCK STOP | WA5371970 | Washington | Transient Non-Community | 316 |
| WEST MESA DOMESTIC WATER ASSN | WA5394830 | Washington | Community | 316 |
| CURLEW WATER & SEWER DISTRICT | WA5316900 | Washington | Community | 316 |