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 |
|---|---|---|---|---|
| QUINAULT RIVER INN | 105300095 | Washington | Transient Non-Community | 370 |
| ROY ELEMENTARY | WA5374651 | Washington | Non-Transient Non-Community | 370 |
| MARCUS WHITMAN SCHOOL | WA5351560 | Washington | Non-Transient Non-Community | 370 |
| ELMER CITY WATER SYSTEM | WA5323120 | Washington | Community | 368 |
| SMITH ISLAND WATER USERS | WA5380490 | Washington | Community | 368 |
| HOOD CANAL | WA5334050 | Washington | Community | 368 |
| Tahuya River Valley Water District | WA5387115 | Washington | Community | 367 |
| UNIONTOWN WATER WORKS | WA5390400 | Washington | Community | 366 |
| UPPER SKAGIT | 105300048 | Washington | Community | 365 |
| Custer Water Association | WA5317050 | Washington | Community | 365 |
| JR SIMPLOT CO | WA5311174 | Washington | Non-Transient Non-Community | 365 |
| SWEET ROAD WATER ASSOC | WA5386630 | Washington | Community | 365 |
| STEVENS CO PUD - RIVERSIDE | WA5318290 | Washington | Community | 365 |
| Edgewater Rocky Pond | WA53AD903 | Washington | Transient Non-Community | 363 |
| ALPINE HILLS | WA5301826 | Washington | Community | 363 |
| NACHES VALLEY PRIMARY SCHOOL | WA5348735 | Washington | Non-Transient Non-Community | 362 |
| EASTON WATER DISTRICT | WA5342700 | Washington | Community | 362 |
| OLYMPIC TRAILER PARK | WA5300335 | Washington | Community | 362 |
| WEYERHAEUSER ELEMENTARY SCHOOL | WA5359103 | Washington | Non-Transient Non-Community | 362 |
| GOLDEN PLAINS MHP #1 | WA5389060 | Washington | Community | 360 |
| ELDORADO ESTATES | WA5331874 | Washington | Community | 360 |
| HIAPARK | WA5303224 | Washington | Community | 360 |
| LAKE LUCINDA COMMUNITY CLUB | WA5344175 | Washington | Community | 360 |
| Hillcrest Food Mart | WA5318106 | Washington | Transient Non-Community | 360 |
| RAZAR STATE PARK | WA53SP024 | Washington | Transient Non-Community | 359 |
| SYLVIA LAKE | WA5386710 | Washington | Community | 358 |
| GARDINER LUD 1 | WA5307877 | Washington | Community | 358 |
| MAINS FARM PROPERTY OWNERS | WA5350400 | Washington | Community | 358 |
| SPO CO WATER DIST 3 SYS 6 | WA5393356 | Washington | Community | 358 |
| LISECC | WA5343290 | Washington | Community | 357 |
| LAKEVIEW MOBILE HOME PARK | WA5345310 | Washington | Community | 356 |
| WSDP Riverside SP Equestrian | WA53SP727 | Washington | Transient Non-Community | 356 |
| Sierra Water System | WA5304643 | Washington | Community | 355 |
| CANTERBROOK VILLAGE APARTMENTS | WA5301984 | Washington | Community | 355 |
| SHORT STOP MINI MART | WA5303110 | Washington | Transient Non-Community | 355 |
| LAKE CUSHMAN SYSTEM 1 | WA5303527 | Washington | Community | 355 |
| SAINT GEORGES SCHOOL | WA5375295 | Washington | Non-Transient Non-Community | 354 |
| SPO CO - LIBERTY LAKE GOLF | WA5347140 | Washington | Transient Non-Community | 353 |
| WOLLOCHET HEIGHTS ESTATES | WA5398105 | Washington | Community | 352 |
| CHIWAWA COMMUNITIES ASSN | WA5312850 | Washington | Community | 352 |
| VISTA DEL RIO MOBILE HOME PARK | WA5306044 | Washington | Community | 352 |
| STRATHVIEW WATER DISTRICT 16 | WA5384620 | Washington | Community | 351 |
| PEARSON SCHOOL | WA5366665 | Washington | Non-Transient Non-Community | 351 |
| OLALLA SCHOOL | WA5363213 | Washington | Non-Transient Non-Community | 350 |
| QUILEUTE INDIAN TRIBE | OR5300016 | Washington | Community | 350 |
| MERIDIAN MIDDLE SCHOOL | WA5352847 | Washington | Non-Transient Non-Community | 350 |
| WINCHESTER MOBILE HOMES WATER | WA5319571 | Washington | Community | 350 |
| DAY ISLAND CLUB | WA5318200 | Washington | Community | 350 |
| LOUP LOUP SKI AREA | WA53AA986 | Washington | Transient Non-Community | 350 |
| BELL BAY JACKSON WATER ASSOCIATION | WA5305450 | Washington | Community | 350 |