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 |
|---|---|---|---|---|
| RIVERSHORE WATER DISTRICT #1 | WA5372835 | Washington | Transient Non-Community | 572 |
| Rogers Group Properties I LLC | WA5389470 | Washington | Non-Transient Non-Community | 570 |
| WEBSTONE WATER DISTRICT | WA5301609 | Washington | Community | 570 |
| ROCKFORD TOWN OF | WA5373550 | Washington | Community | 570 |
| SPRAGUE CITY OF | WA5383150 | Washington | Community | 570 |
| CONSOLIDATED SUPPORT SERVICES | WA5321850 | Washington | Community | 569 |
| KALALOCH CAMPGROUND | WA53NP450 | Washington | Transient Non-Community | 568 |
| ACME WATER DISTRICT NO 18 | WA5300250 | Washington | Community | 568 |
| NORTH WHIDBEY WATER DISTRICT | WA5361603 | Washington | Community | 568 |
| WESTSIDE WATER ASSN | WA5394950 | Washington | Community | 562 |
| KEY CENTER WATER SYSTEM | WA5338450 | Washington | Community | 561 |
| SNO PUD 1 - SUNDAY LAKE | WA5385205 | Washington | Community | 561 |
| TAHUYEH LAKE COMMUNITY CLUB | WA5387116 | Washington | Community | 560 |
| WOODBROOK TERRACE APTS | WA5355225 | Washington | Community | 560 |
| CALADONIA MUTUAL WATER CO | WA5310500 | Washington | Community | 560 |
| BLOEDEL RESERVE | WA5300924 | Washington | Non-Transient Non-Community | 559 |
| DUNGENESS HEIGHTS | WA5320425 | Washington | Community | 558 |
| YAKIMA COUNTY YOUTH ACTIVITIES PAR | WA5301602 | Washington | Transient Non-Community | 558 |
| RAINIER SCHOOL | WA5370850 | Washington | Community | 556 |
| OASIS WATER CORPORATION | WA5319069 | Washington | Community | 556 |
| ALBION WATER DEPT | WA5300800 | Washington | Community | 555 |
| SILVER LAKE PARK - MAIN CAMPGROUND | WA5352679 | Washington | Transient Non-Community | 553 |
| GREEN TANK IRR DISTRICT 11 | WA5329550 | Washington | Community | 553 |
| KLICKITAT WATER SYSTEM | WA5342800 | Washington | Community | 551 |
| BLUEBERRIES | 1053AC974 | Washington | Transient Non-Community | 550 |
| LOWER MONUMENTAL DAM - SOUTH | WA5309664 | Washington | Transient Non-Community | 550 |
| SOUTHWORTH ELEMENTARY | WA5301252 | Washington | Non-Transient Non-Community | 550 |
| STEVENS CO PUD - VALLEY | WA5305520 | Washington | Community | 550 |
| CRESCENT PARK 355 | WA5316000 | Washington | Community | 550 |
| BEACON ROCK STATE PARK BOAT LAUNCH | WA53SP102 | Washington | Transient Non-Community | 549 |
| FOXHALL | WA5310991 | Washington | Community | 549 |
| MEAD S.D. #354 - COLBERT | WA5353150 | Washington | Non-Transient Non-Community | 547 |
| CLUB GREEN MEADOWS | WA5328591 | Washington | Non-Transient Non-Community | 545 |
| Satsop Business Park | WA5318777 | Washington | Non-Transient Non-Community | 544 |
| KANASKAT-PALMER STATE PARK | WA53SP627 | Washington | Transient Non-Community | 543 |
| BREWSTER FLAT DOMESTIC WATER ASSN | WA5308290 | Washington | Community | 542 |
| RIDGEFIELD HIGH SCHOOL | WA5372385 | Washington | Transient Non-Community | 541 |
| SOUTH CLE ELUM WATER DEPT | WA5381600 | Washington | Community | 541 |
| HERITAGE COLLEGE DAYCARE | WA53AA741 | Washington | Non-Transient Non-Community | 541 |
| OLD SETTLERS WATER ASSOCIATION | WA5363350 | Washington | Community | 540 |
| LAKE CUSHMAN SYSTEM #10 | WA5303530 | Washington | Community | 540 |
| WHITE SWAN SCHOOL | WA5396365 | Washington | Non-Transient Non-Community | 540 |
| HAMILTON WATER DEPARTMENT | WA5330700 | Washington | Community | 540 |
| KCWD #88 | WA5341100 | Washington | Community | 540 |
| SANDY HOOK YACHT CLUB ESTATES | WA5376050 | Washington | Community | 540 |
| INCHELIUM WATER DISTRICT | WA5335550 | Washington | Community | 540 |
| SHORE ACRES WATER COMPANY | WA5378455 | Washington | Community | 540 |
| MADRONA BEACH COMM WATER SYSTEM | WA5349954 | Washington | Community | 539 |
| EAST SIDE LIBERTY LAKE IMP CLUB | WA5347145 | Washington | Community | 537 |
| QUINCY VALLEY REST AREA | WA53HD590 | Washington | Transient Non-Community | 536 |