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 |
|---|---|---|---|---|
| DOE BAY WATER USERS ASSOC | WA5319600 | Washington | Community | 442 |
| BRIDGEPORT STATE PARK | WA53SP100 | Washington | Transient Non-Community | 441 |
| GRACE BIBLE CHURCH | WA5306770 | Washington | Transient Non-Community | 436 |
| COMBINED WATER SYSTEM | WA5305795 | Washington | Community | 435 |
| PATTISON WATER COMPANY #2 | WA5389415 | Washington | Community | 435 |
| MAPLEWOOD ADDITION WATER COOP | WA5351400 | Washington | Community | 435 |
| RYDERWOOD IMPROVEMENT & SERVICE AS | WA5375100 | Washington | Community | 434 |
| FOUR LAKES WATER DISTRICT 10 | WA5326200 | Washington | Community | 433 |
| SNOQUALMIE FALLS GOLF | WA5380950 | Washington | Community | 433 |
| SKAGIT CO PUD - ALGER | WA5301400 | Washington | Community | 432 |
| HMC Management Water System | WA5332550 | Washington | Community | 432 |
| Craven Farm Water System | WA53AC928 | Washington | Transient Non-Community | 431 |
| SEVEN BAYS ESTATES UNLIMITED | WA5377651 | Washington | Community | 431 |
| ECHO GLEN CHILDRENS CENTER | WA5322330 | Washington | Community | 430 |
| ROYAL WATER DISTRICT | WA5300543 | Washington | Community | 430 |
| RIVERSIDE TOWN OF | WA5372850 | Washington | Community | 429 |
| GRAND MOUND ELEMENTARY SCHOOL | WA5328795 | Washington | Non-Transient Non-Community | 427 |
| SARATOGA BEACH OWNERS ASSN | WA5376240 | Washington | Community | 425 |
| HAWLEY HILLS 686 | WA53AB037 | Washington | Community | 425 |
| SILVER LAKE WATER | WA5379245 | Washington | Community | 425 |
| KELLER COMMUNITY | WA53IH427 | Washington | Community | 425 |
| CISPUS ENVIRONMENTAL CENTER | WA53FS109 | Washington | Transient Non-Community | 423 |
| CROSSWOODS WATER COMPANY | WA5316274 | Washington | Community | 420 |
| INDEX WATER DEPT | WA5335600 | Washington | Community | 420 |
| BIG BEND LANDOWNERS ASSOCIATION | WA5306630 | Washington | Community | 419 |
| MIRACLE RANCH | WA5355217 | Washington | Non-Transient Non-Community | 418 |
| LODGE AT MOUNT SNOW | VT0001631 | Washington | Transient Non-Community | 418 |
| HENDERSON BOULEVARD | WA5308359 | Washington | Community | 418 |
| CENTRAL FERRY STATE PARK | WA53SP150 | Washington | Transient Non-Community | 416 |
| SKOOKUM CHUCK WATER ASSOCIATION | WA5379800 | Washington | Community | 415 |
| SNO PUD 1 - SKYLITE TRACTS | WA5380220 | Washington | Community | 415 |
| WHIDBEY WEST WATER ASSOC. | WA5336314 | Washington | Community | 415 |
| PARADISE | WA5367758 | Washington | Transient Non-Community | 414 |
| ALLYN SHOPPING CENTER | WA5301695 | Washington | Community | 414 |
| Rainy Pass Rest Area - MethowRd | WA53FS777 | Washington | Transient Non-Community | 413 |
| WASHINGTON PASS WELL - METHOW RD | WA53FS974 | Washington | Transient Non-Community | 413 |
| CHARBONNEAU PARK | WA5309626 | Washington | Transient Non-Community | 411 |
| MARVIN ROAD WATER COMPANY | WA5351890 | Washington | Community | 410 |
| PACIFIC WATER COMPANY INC | WA5320051 | Washington | Community | 410 |
| OLYMPIC SUNSET WEST | WA5363494 | Washington | Community | 410 |
| HARBOR COUNTRY APARTMENTS | WA5315314 | Washington | Community | 410 |
| TAIDNAPAM PARK | WA5354707 | Washington | Transient Non-Community | 410 |
| SHORECREST BEACH CLUB WATER CO | WA5378617 | Washington | Community | 410 |
| DAWN PARK WATER SYSTEM | WA5318190 | Washington | Community | 410 |
| EAST GIG HARBOR WATER DISTRICT | WA5331050 | Washington | Community | 410 |
| BERTHUSEN ROAD WATER ASSOCIATION | WA5305875 | Washington | Community | 409 |
| MARYS CORNER MARKET | WA5361101 | Washington | Transient Non-Community | 409 |
| RESORT AND MARINA | WA5336421 | Washington | Community | 409 |
| KAPOWSIN ELEMENTARY | WA5337745 | Washington | Non-Transient Non-Community | 409 |
| CHELATCHIE PRAIRIE GENERAL STORE | WA5360653 | Washington | Transient Non-Community | 407 |