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.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| ROY, TOWN OF | WA5374653 | Washington | Community | 531 |
| JOHNSTON BLAKELY SCHOOL | WA5336830 | Washington | Non-Transient Non-Community | 530 |
| BURBANK IRRIGATION DISTRICT 4 | WA5309300 | Washington | Community | 527 |
| ZEBRAS AQUEOUS SUBSTANCE | WA5361131 | Washington | Non-Transient Non-Community | 526 |
| WELLPINIT | 105300022 | Washington | Community | 525 |
| SHELL PUGET SOUND REFINERY | WA5387650 | Washington | Non-Transient Non-Community | 525 |
| TRIDENT SEAFOODS INC. NAKNEK | AK2261274 | Washington | Transient Non-Community | 525 |
| SUMMIT HOUSE WATER SYSTEM | WA5343164 | Washington | Transient Non-Community | 525 |
| PRESCOTT TOWN OF | WA5369250 | Washington | Community | 522 |
| BETHEL GREEN ACRES WATER ASSN | WA5305980 | Washington | Community | 522 |
| Great Basin Water Kiona | WA5310724 | Washington | Community | 520 |
| BLUE SPRUCE WATER DISTRICT | WA5307506 | Washington | Community | 520 |
| ARTONDALE ELEMENTARY SCHOOL | WA5303162 | Washington | Transient Non-Community | 520 |
| DRY FALLS STATE PARK | WA53SP220 | Washington | Transient Non-Community | 519 |
| MT. VISTA - DUNGENESS GOLF COURSE | 105388889 | Washington | Community | 517 |
| KING COUNTY WATER DISTRICT #1-YARRO | WA5338650 | Washington | Community | 517 |
| ROLLING FIRS EVERGREEN TERRACE | WA5373975 | Washington | Community | 514 |
| WHATCOM COUNTY WATER DIST #16 | WA5309241 | Washington | Non-Transient Non-Community | 513 |
| BATTLE POINT PARK | WA5304725 | Washington | Transient Non-Community | 512 |
| MT ADAMS COUNTRY CLUB | 105356390 | Washington | Transient Non-Community | 511 |
| LOWER ELWHA VALLEY | 105300087 | Washington | Community | 511 |
| KITTITAS COUNTY WATER DISTRICT #4 | WA5342447 | Washington | Community | 510 |
| NESPELEM WATER DEPT | WA5359000 | Washington | Community | 510 |
| JONES ISLAND STATE PARK | WA53SP343 | Washington | Transient Non-Community | 509 |
| SPOKO FUEL AIRWAY HEIGHTS | 105300157 | Washington | Transient Non-Community | 508 |
| COUGAR VALLEY ELEMENTARY | WA5300341 | Washington | Non-Transient Non-Community | 508 |
| EVERGREEN BALLROOM, THE | WA5387774 | Washington | Transient Non-Community | 505 |
| WAY S WATER SYSTEM | WA5327676 | Washington | Transient Non-Community | 505 |
| STEVENS CO PUD - WEST SHORE | WA5395450 | Washington | Community | 505 |
| ROCHESTER DAIRY QUEEN | WA5301132 | Washington | Transient Non-Community | 504 |
| THE LOGS RESTAURANT | WA5347760 | Washington | Transient Non-Community | 504 |
| DISHMAN WATER COMPANY INC | WA5319450 | Washington | Community | 504 |
| ADAMS COUNTY FAIR | WA5300008 | Washington | Transient Non-Community | 503 |
| ZEKES DRIVE-IN | WA5399405 | Washington | Transient Non-Community | 502 |
| DEMING WATER ASSOC. | WA5318800 | Washington | Community | 501 |
| LAKE CUSHMAN-INACT-LOWER LP | WA53SP370 | Washington | Transient Non-Community | 501 |
| FORT WARD STATE PARK | WA53SP305 | Washington | Transient Non-Community | 501 |
| COLUMBIA VIEW WATER SYSTEM | WA5314176 | Washington | Community | 500 |
| MAYFIELD LAKE COUNTY PARK | WA5352108 | Washington | Community | 500 |
| Brooks Memorial SP Admin | WA53SP120 | Washington | Transient Non-Community | 500 |
| PRAIRIE ELEMENTARY | WA5324413 | Washington | Non-Transient Non-Community | 500 |
| PASCO PORT OF 210 | WA5368825 | Washington | Non-Transient Non-Community | 500 |
| LK WHATCOM MARINA PARTNERSHIP | WA5310749 | Washington | Community | 500 |
| Thorp Arco AM/PM | WA53AC250 | Washington | Transient Non-Community | 500 |
| BAYVIEW BEACH WATER DIST SYS #2 | WA5322321 | Washington | Community | 500 |
| GIG HARBOR ATHLETIC CLUB | WA5353693 | Washington | Transient Non-Community | 500 |
| SUNVISTA SUNLIGHT BEACH HOA | WA5385160 | Washington | Community | 500 |
| WELLPINIT COMMUNITY SYSTEM | WA53IH880 | Washington | Community | 500 |
| COLVILLE INDIAN AGENCY | OR5300007 | Washington | Community | 500 |
| HOME VALLEY WATER DISTRICT | WA5309188 | Washington | Community | 500 |