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 |
|---|---|---|---|---|
| MECCA COMMUNITY ASSOCIATION | WA5322888 | Washington | Community | 619 |
| COLUMBIA HILLS STATE PARK | WA53SP325 | Washington | Transient Non-Community | 616 |
| WICKS LAKE RANCHES | WA5396728 | Washington | Community | 615 |
| SOUTH BAY ELEMENTARY SCHOOL | WA5381465 | Washington | Non-Transient Non-Community | 615 |
| RIDGE WATER ASSOCIATION | WA5303456 | Washington | Community | 615 |
| LACAMAS FARMSTEADS | WA5302117 | Washington | Community | 615 |
| KCWD #1 | WA5302331 | Washington | Community | 615 |
| HGH INC WATER SYSTEM | WA5302141 | Washington | Transient Non-Community | 613 |
| PORCUPINE BAY CAMPGROUND | WA53NP700 | Washington | Transient Non-Community | 612 |
| SUMAS RURAL WATER ASSOCIATION | WA5384850 | Washington | Community | 612 |
| LEWIS CO WATER DIST #3 | WA5365550 | Washington | Community | 611 |
| SEABECK | WA5303134 | Washington | Community | 610 |
| CAPE HORN SKYE GRADE SCHOOL | WA5311062 | Washington | Non-Transient Non-Community | 610 |
| COLUMBIA ELEMENTARY SCHOOL | WA5314129 | Washington | Non-Transient Non-Community | 610 |
| WASHOUGAL MOTOCROSS LLC | WA5358514 | Washington | Transient Non-Community | 602 |
| JEFFERSON COUNTY WATER DIST #1 | WA5336705 | Washington | Community | 600 |
| ENERGY DEPT OF/300 AREA | WA5341840 | Washington | Non-Transient Non-Community | 600 |
| JEFFERSON BEACH | WA5336700 | Washington | Community | 600 |
| ALASKA GENERAL SEAFOODS NAKNEK - CANNERY | AK2261240 | Washington | Transient Non-Community | 600 |
| OUTLOOK ELEMENTARY SCHOOL | WA5364940 | Washington | Non-Transient Non-Community | 600 |
| COLUMBIA POINT MARINA PARK | WA5356726 | Washington | Transient Non-Community | 600 |
| YAKIMA INDIAN NATION | OR5300026 | Washington | Community | 600 |
| BURGERMASTER RESTAURANT | WA5309375 | Washington | Transient Non-Community | 600 |
| YAKIMA FIRING CENTER #2 | WA5308470 | Washington | Transient Non-Community | 600 |
| WANDERING CREEK | WA5324519 | Washington | Community | 600 |
| LAKES ELEMENTARY | WA5345127 | Washington | Transient Non-Community | 600 |
| SPO CO WATER DIST 3, SYS 7 | WA5393357 | Washington | Community | 600 |
| BYWATER BAY | WA5302043 | Washington | Community | 600 |
| NORTH END WATER USERS | WA5360450 | Washington | Community | 600 |
| MCKENNA WATER DISTRICT | WA5303521 | Washington | Community | 600 |
| WHITE RIVER MIDDLE SCHOOL | WA5396285 | Washington | Non-Transient Non-Community | 600 |
| WISHRAM WATER SYSTEM | WA5397950 | Washington | Community | 599 |
| DALLESPORT WATER DISTRICT | WA5317715 | Washington | Community | 598 |
| LEWIS & CLARK STATE PARK | WA53SP460 | Washington | Transient Non-Community | 595 |
| METALINE FALLS TOWN OF | WA5354250 | Washington | Community | 593 |
| SANDY HOOK PARK COMMUNITY CLUB | WA5375950 | Washington | Community | 593 |
| EAST OLYMPIA ELEMENTARY SCHOOL | WA5358814 | Washington | Non-Transient Non-Community | 593 |
| WOLFE SCHOOL | WA5398035 | Washington | Non-Transient Non-Community | 593 |
| ASPEN ESTATES | 105300140 | Washington | Community | 592 |
| CAMANO VISTA WATER DISTRICT | WA5310748 | Washington | Community | 591 |
| HUNTERS CAMPGROUND | WA53NP380 | Washington | Transient Non-Community | 591 |
| LACEY NISQUALLY SYSTEM | WA5300901 | Washington | Community | 585 |
| MOUNT BAKER JR AND SR HIGH SCHOOL | WA5356450 | Washington | Non-Transient Non-Community | 584 |
| NEW TESTAMENT CHRISTIAN CHURCH | WA5312514 | Washington | Transient Non-Community | 581 |
| EVANS CAMPGROUND | WA53NP240 | Washington | Transient Non-Community | 581 |
| SHENANDOAH FOREST WATER SYSTEM | WA5325397 | Washington | Community | 580 |
| BUCODA WATER DEPT | WA5309100 | Washington | Community | 579 |
| MEADOWBROOK WATER ASSOCIATION | WA5353250 | Washington | Community | 579 |
| BAY CENTER | WA5304815 | Washington | Community | 579 |
| RAFT ISLAND | WA5370760 | Washington | Community | 575 |