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 |
|---|---|---|---|---|
| CONFLUENCE STATE PARK | WA53SP172 | Washington | Transient Non-Community | 1,563 |
| HANSVILLE WATER DIST | WA5330950 | Washington | Community | 1,561 |
| CONSOLIDATED IRRIGATION DIST 14 | WA5314650 | Washington | Community | 1,555 |
| MOSSYROCK PUBLIC UTILITY CITY OF | WA5356350 | Washington | Community | 1,553 |
| LUCKY EAGLE CASINO | 105300094 | Washington | Non-Transient Non-Community | 1,550 |
| POLE ROAD WATER ASSOCIATION | WA5368350 | Washington | Community | 1,545 |
| MCDONALDS OF NAPAVINE | WA5363384 | Washington | Transient Non-Community | 1,544 |
| NAVAL BASE KITSAP AT KEYPORT | WA5390520 | Washington | Community | 1,540 |
| LAKE MINTERWOOD | WA5355210 | Washington | Community | 1,539 |
| PORT GAMBLE SKLALLAM | 105300015 | Washington | Community | 1,509 |
| BETHEL HIGH SCHOOL | WA5305990 | Washington | Non-Transient Non-Community | 1,507 |
| MT BAKER SKI AREA - WHITE SALMON | WA5301357 | Washington | Transient Non-Community | 1,501 |
| SQUAXIN CONSOLIDATED | 105300146 | Washington | Community | 1,500 |
| PORT SUSAN CAMP CLUB #1 | 105300090 | Washington | Community | 1,500 |
| TYSON FRESH MEATS INC | WA5314131 | Washington | Non-Transient Non-Community | 1,500 |
| OLYMPIC SPRINGS INC | WA5303394 | Washington | Transient Non-Community | 1,500 |
| HYAK SKIING CORPORATION | WA5335165 | Washington | Community | 1,500 |
| TAPPS ISLAND WATER SYSTEM | WA5387181 | Washington | Community | 1,500 |
| LUMMI WATER & SEWER SYSTEM | OR5300002 | Washington | Community | 1,500 |
| THE MAKAH INDIAN TRIBE | OR5300012 | Washington | Community | 1,500 |
| SUNLAND ESTATES HOMEOWNERS ASSN | WA5385240 | Washington | Community | 1,480 |
| BLANCHARD EDISON WATER ASSN. INC. | WA5307450 | Washington | Community | 1,480 |
| TIETON WATER DEPT CITY OF | WA5388300 | Washington | Community | 1,475 |
| GRAHAM HILL MUTUAL WATER CO INC | WA5328650 | Washington | Community | 1,474 |
| VIEW ROYAL WATER SYSTEM | WA5328494 | Washington | Community | 1,461 |
| Hogans Corner | WA53AA554 | Washington | Community | 1,458 |
| LINCOLN ROCK STATE PARK | WA53SP475 | Washington | Transient Non-Community | 1,456 |
| POTHOLES STATE PARK | WA53SP690 | Washington | Transient Non-Community | 1,456 |
| LAKE CHELAN STATE PARK | WA53SP360 | Washington | Transient Non-Community | 1,456 |
| QUINAULT BEACH RESORT | 105300105 | Washington | Community | 1,450 |
| FORT EBEY STATE PARK | WA53SP285 | Washington | Transient Non-Community | 1,443 |
| POINT ROBERTS WATER DISTRICT NO 4 | WA5395750 | Washington | Community | 1,440 |
| FORT SPOKANE CAMPGROUND | WA53NP280 | Washington | Transient Non-Community | 1,436 |
| KING COUNTY WATER DISTRICT #85 | WA5341000 | Washington | Community | 1,430 |
| GRAND COULEE WATER DEPT CITY OF | WA5328700 | Washington | Community | 1,428 |
| WESTHAVEN STATE PARK | WA53SP985 | Washington | Transient Non-Community | 1,427 |
| HIGH VALLEY COUNTRY CLUB | WA5332700 | Washington | Community | 1,425 |
| REARDAN TOWN OF | WA5371550 | Washington | Community | 1,418 |
| LANGLEY CITY OF | WA5345950 | Washington | Community | 1,416 |
| CID #19-WEST FARMS | WA5310240 | Washington | Community | 1,415 |
| WHATCOM COUNTY WATER DIST #7 | WA5395900 | Washington | Community | 1,410 |
| FORT CASEY STATE PARK | WA53SP275 | Washington | Transient Non-Community | 1,409 |
| TRIDENT SEAFOODS CORP. AKUTAN | AK2261193 | Washington | Non-Transient Non-Community | 1,400 |
| KALA POINT | WA5337500 | Washington | Community | 1,395 |
| POMEROY CITY OF | WA5368400 | Washington | Community | 1,395 |
| LAKE JOSEPHINE RIVIERA | WA5343980 | Washington | Community | 1,380 |
| BEACON ROCK STATE PARK 1 | WA53SP050 | Washington | Transient Non-Community | 1,375 |
| HARBOR HILLS COMMUNITY WATER SYSTEM | WA5333860 | Washington | Community | 1,373 |
| SNO PUD 1 - MAY CREEK | WA5352105 | Washington | Community | 1,364 |
| KCWD #121 | WA5341990 | Washington | Community | 1,360 |