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 |
|---|---|---|---|---|
| HERMOSILLO WATER SYSTEM | WA53AA039 | Washington | Non-Transient Non-Community | 11 |
| CEDAR TREE | WA53AA048 | Washington | Non-Transient Non-Community | 11 |
| WILDERNESS VILLAGE TRAILER PARK | WA5396875 | Washington | Transient Non-Community | 11 |
| PACIFIC DISPOSAL | WA5302952 | Washington | Non-Transient Non-Community | 11 |
| WHEATLAND EXPRESS | WA53AA172 | Washington | Non-Transient Non-Community | 11 |
| COUGAR MOUNTAIN AIRPORT | WA5304462 | Washington | Transient Non-Community | 11 |
| BUFFALO RUN INN | WA5347672 | Washington | Transient Non-Community | 11 |
| STRELLS WEST BEACH TRACTS | WA5300853 | Washington | Transient Non-Community | 10 |
| COWLITZ VALLEY WILDLIFE LEAGUE | WA5301517 | Washington | Transient Non-Community | 10 |
| Skagit River RV & Camping | WA5351537 | Washington | Transient Non-Community | 10 |
| Ridgeview Estates at Lake Roosevelt | WA53AC016 | Washington | Transient Non-Community | 10 |
| Upper Columbia RV Park & Campground | WA5304490 | Washington | Transient Non-Community | 10 |
| Alpine Lakes Lodge | WA5304567 | Washington | Transient Non-Community | 10 |
| FILUCY BAY WATER COMPANY | WA5325100 | Washington | Transient Non-Community | 10 |
| LAKE THOMAS ESTATE WATER SVCS INC | WA5344960 | Washington | Transient Non-Community | 10 |
| FAIR HARBOR MARINA | WA5359358 | Washington | Transient Non-Community | 10 |
| MIKES BEACH | WA5354590 | Washington | Transient Non-Community | 10 |
| Rustic Ridge | WA53AD159 | Washington | Transient Non-Community | 10 |
| Squaxin Island - Kamilche | 105300001 | Washington | Community | 10 |
| CIPV | 105300110 | Washington | Community | 10 |
| Sherwood Mine | 105300037 | Washington | Transient Non-Community | 10 |
| Twin Lakes Youth Camp | 105300038 | Washington | Transient Non-Community | 10 |
| Makah-AFS Base & Housing | 105300039 | Washington | Community | 10 |
| Makah-AFS Peak WTP | 105300040 | Washington | Community | 10 |
| Makah-Trailer Court | 105300041 | Washington | Community | 10 |
| Camp Chaparral | 105300043 | Washington | Community | 10 |
| Mt. Tolman Admin. | 105300044 | Washington | Community | 10 |
| Mt. Tolman Training Center | 105300045 | Washington | Community | 10 |
| Pacheco | 105300052 | Washington | Community | 10 |
| Ross | 105300053 | Washington | Community | 10 |
| Barr | 105300054 | Washington | Community | 10 |
| Tribal Center | 105300055 | Washington | Community | 10 |
| Squaxin Island Tribal Center | 105300056 | Washington | Community | 10 |
| Courville | 105300057 | Washington | Community | 10 |
| Revey Ballew | 105300072 | Washington | Community | 10 |
| Chehalis Tribal Center | 105300079 | Washington | Community | 10 |
| Waconi | 105300082 | Washington | Community | 10 |
| SUNDIAL MARINE CONS & REPAIR | OR4195364 | Washington | Non-Transient Non-Community | 10 |
| SHERWOOD CREEK | WA5308095 | Washington | Non-Transient Non-Community | 10 |
| CAROUSEL WATER SYSTEM | WA5308112 | Washington | Non-Transient Non-Community | 10 |
| ORIOLE CG - TONASKET RD | WA53FS720 | Washington | Non-Transient Non-Community | 10 |
| THE CREST #3 | WA5307472 | Washington | Non-Transient Non-Community | 10 |
| PARSON CREEK WATER SYSTEM | WA5307562 | Washington | Non-Transient Non-Community | 10 |
| LAKEVIEW ORCHARD | WA5345329 | Washington | Community | 10 |
| EIGHTMILE RANCH | WA53FS107 | Washington | Non-Transient Non-Community | 10 |
| FALLS CREEK CG - METHOW RD | WA53FS228 | Washington | Non-Transient Non-Community | 10 |
| FLAT CG - METHOW RD | WA53FS265 | Washington | Non-Transient Non-Community | 10 |
| OCHOA AG UNLIMITED LLC | WA5307336 | Washington | Non-Transient Non-Community | 10 |
| MT BAKER AUTOMOTIVE WATER SYSTEM | WA5307368 | Washington | Non-Transient Non-Community | 10 |
| NOYES, ELDON #1 | WA5307421 | Washington | Non-Transient Non-Community | 10 |