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 |
|---|---|---|---|---|
| COULEE DAM WATER DEPT | WA5315400 | Washington | Community | 1,359 |
| Pelican Point By Cascadia LLC | WA5366800 | Washington | Community | 1,357 |
| WHATCOM COUNTY WATER DIST #2 | WA5395700 | Washington | Community | 1,353 |
| COLVILLE FUELS NOISY WATERS | 105338115 | Washington | Transient Non-Community | 1,350 |
| WINTHROP TOWN OF | WA5397750 | Washington | Community | 1,350 |
| NOOKSACK VALLEY WATER ASSOCIATION | WA5359850 | Washington | Community | 1,343 |
| CHELAN COUNTY FAIRGROUND | WA5312286 | Washington | Transient Non-Community | 1,335 |
| EVERGREEN SHORES | WA5324163 | Washington | Community | 1,329 |
| Bi Zi Farms | WA53AC621 | Washington | Transient Non-Community | 1,328 |
| OAKVILLE CITY OF | WA5362750 | Washington | Community | 1,325 |
| Shorecrest Estates Water Co | WA5378620 | Washington | Community | 1,321 |
| RIVERSIDE SD CENTRAL SITE SCHOOLS | WA5372831 | Washington | Non-Transient Non-Community | 1,320 |
| SPEEDWAY SEWARD MERIDIAN | AK2225499 | Washington | Transient Non-Community | 1,315 |
| LARRABEE STATE PARK | WA53SP440 | Washington | Transient Non-Community | 1,309 |
| HARRAH WATER SYSTEM | WA5331400 | Washington | Community | 1,304 |
| GRAYS HARBOR CO WATER DIST 1 | WA5329200 | Washington | Community | 1,302 |
| MOUNT SPOKANE SKI #2 | WA5356621 | Washington | Transient Non-Community | 1,301 |
| MAKAH NEAH BAY | 105300012 | Washington | Community | 1,300 |
| ST MARTINS COLLEGE WATER SYSTEM | WA5375350 | Washington | Community | 1,300 |
| NORTH MASON HIGH SCHOOL | WA5360745 | Washington | Non-Transient Non-Community | 1,300 |
| DIAMOND LAKE WATER & SEWER DISTRICT | WA5319207 | Washington | Community | 1,299 |
| PALOUSE WATER DEPT CITY OF | WA5365800 | Washington | Community | 1,298 |
| BATTLE GROUND STATE PARK | WA53SP030 | Washington | Transient Non-Community | 1,290 |
| ALPENTAL SKI AREA | WA5301820 | Washington | Community | 1,288 |
| SEQUIM BAY STATE PARK | WA53SP810 | Washington | Transient Non-Community | 1,285 |
| CAMANO ISLAND STATE PARK CAMPGROUND | WA53SP011 | Washington | Transient Non-Community | 1,284 |
| NORTHWEST TREK | WA5361990 | Washington | Non-Transient Non-Community | 1,283 |
| PEACE ARCH STATE PARK | WA53SP650 | Washington | Transient Non-Community | 1,278 |
| ROCHESTER HIGH SCHOOL | WA5357864 | Washington | Non-Transient Non-Community | 1,275 |
| WALLA WALLA UNIVERSITY | WA5392470 | Washington | Community | 1,273 |
| CARLYON BEACH HOMEOWNERS | WA5311159 | Washington | Community | 1,273 |
| Western Forest Industries Museum | WA53AC997 | Washington | Transient Non-Community | 1,266 |
| INDIAN SPRINGS WATER COMPANY | WA5354686 | Washington | Community | 1,265 |
| FREELAND WATER AND SEWER DISTRICT | WA5326450 | Washington | Community | 1,264 |
| BC WATER CO | WA53AA373 | Washington | Community | 1,262 |
| LAKEVIEW PARK WATER ASSN | WA5345350 | Washington | Community | 1,259 |
| GARFIELD COUNTY FAIRGROUNDS | WA5327195 | Washington | Transient Non-Community | 1,250 |
| CASCADE VIEW WATER DIST. | WA5341995 | Washington | Community | 1,245 |
| RIVERBEND #2 | WA5311361 | Washington | Transient Non-Community | 1,243 |
| CLALLAM BAY CORRECTIONS CENTER | WA5305027 | Washington | Community | 1,240 |
| CHELAN RIVER IRRIGATION DISTRICT | WA5312296 | Washington | Community | 1,237 |
| CID #19-GREEACRES | WA5310232 | Washington | Community | 1,235 |
| TOOLEY, M | WA5311351 | Washington | Transient Non-Community | 1,234 |
| KZH HECTOR | WA5311458 | Washington | Transient Non-Community | 1,234 |
| FRONTIER COUNTY PARK | WA5329616 | Washington | Transient Non-Community | 1,233 |
| FROG POND | WA5326627 | Washington | Community | 1,229 |
| NENDELS INN | WA5311487 | Washington | Non-Transient Non-Community | 1,228 |
| BETHLEHEM STEEL CORP | WA5306050 | Washington | Transient Non-Community | 1,225 |
| AM PM MINI MARKET | WA5304056 | Washington | Transient Non-Community | 1,218 |
| STEVENS CO PUD - WAITTS LAKE | WA5391130 | Washington | Community | 1,216 |