Browse Water Systems
10,042 public water systems in WA.
Public Water Systems Database
Browse 10,042 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 |
|---|---|---|---|---|
| SEATTLE PUBLIC UTILITIES | WA5377050 | Washington | Community | 1,161,961 |
| TACOMA WATER DIVISION CITY OF | WA5386800 | Washington | Community | 446,170 |
| VANCOUVER CITY OF | WA5391200 | Washington | Community | 373,047 |
| SPOKANE CITY OF | WA5383100 | Washington | Community | 343,167 |
| BELLEVUE CITY OF | WA5305575 | Washington | Community | 321,349 |
| ALDERWOOD WATER DISTRICT | WA5301300 | Washington | Community | 245,715 |
| EVERETT PUBLIC WORKS DEPT. CITY OF | WA5324050 | Washington | Community | 215,774 |
| KENT WATER DEPARTMENT | WA5338150 | Washington | Community | 166,421 |
| REDMOND WATER SYSTEM CITY OF | WA5371650 | Washington | Community | 163,335 |
| CLARK PUBLIC UTILITIES | WA5313333 | Washington | Community | 153,526 |
| LAKEHAVEN WATER AND SEWER DISTRICT | WA5341997 | Washington | Community | 148,809 |
| BELLINGHAM-WATER DIVISION CITY OF | WA5305600 | Washington | Community | 141,127 |
| OLYMPIA CITY OF | WA5363450 | Washington | Community | 126,966 |
| KENNEWICK CITY OF | WA5338100 | Washington | Community | 118,164 |
| PASCO WATER DEPARTMENT | WA5366400 | Washington | Community | 115,102 |
| YAKIMA WATER DIVISION CITY OF | WA5399150 | Washington | Community | 112,858 |
| SKAGIT COUNTY PUD 1 JUDY RES | WA5379500 | Washington | Community | 111,415 |
| RENTON CITY OF | WA5371850 | Washington | Community | 108,091 |
| Auburn City of | WA5303350 | Washington | Community | 107,655 |
| RICHLAND CITY OF | WA5372250 | Washington | Community | 106,499 |
| LACEY WATER DEPARTMENT | WA5343500 | Washington | Community | 105,178 |
| HIGHLINE WATER DISTRICT | WA5340650 | Washington | Community | 100,170 |
| NORTHSHORE UTILITY DISTRICT | WA5340800 | Washington | Community | 99,789 |
| MARYSVILLE UTILITIES | WA5351900 | Washington | Community | 88,582 |
| SAMMAMISH PLATEAU WATER & SEWER | WA5340900 | Washington | Community | 79,362 |
| BREMERTON CITY OF | WA5308200 | Washington | Community | 72,951 |
| KIRKLAND CITY OF | WA5342250 | Washington | Community | 69,243 |
| LYNNWOOD CITY OF | WA5349270 | Washington | Community | 68,204 |
| SNO PUD 1 - LAKE STEVENS | WA5380907 | Washington | Community | 67,710 |
| WOODINVILLE WATER DISTRICT | WA5341600 | Washington | Community | 66,699 |
| SILVER LAKE WATER & SEWER DISTRICT | WA5379250 | Washington | Community | 65,033 |
| SOOS CREEK WATER & SEWER DISTRICT | WA5340100 | Washington | Community | 64,534 |
| SOUTHWOOD | WA5382844 | Washington | Community | 64,155 |
| JBLM Lewis | WA5326050 | Washington | Community | 62,197 |
| LAKEWOOD WATER DISTRICT | WA5345550 | Washington | Community | 62,089 |
| COVINGTON WATER DISTRICT | WA5341650 | Washington | Community | 56,172 |
| TUMWATER CITY OF | WA5389700 | Washington | Community | 51,802 |
| PORT OF SEATTLE/SEATAC AIRPORT | WA5303182 | Washington | Non-Transient Non-Community | 49,483 |
| LONGVIEW WATER DEPARTMENT | WA5348100 | Washington | Community | 49,111 |
| WENATCHEE CITY OF | WA5394350 | Washington | Community | 43,690 |
| ISSAQUAH WATER SYSTEM | WA5336350 | Washington | Community | 43,584 |
| BONNEY LAKE WATER DEPARTMENT CITY | WA5307650 | Washington | Community | 43,371 |
| WALLA WALLA WATER DIVISION | WA5392500 | Washington | Community | 42,959 |
| PUYALLUP CITY OF | WA5370050 | Washington | Community | 39,100 |
| KING COUNTY WATER DISTRICT #20 | WA5338950 | Washington | Community | 38,974 |
| NOB HILL WATER ASSOCIATION | WA5359700 | Washington | Community | 38,050 |
| TUKWILA WATER DEPARTMENT | WA5389500 | Washington | Community | 36,298 |
| FIRGROVE MUTUAL INC | WA5325200 | Washington | Community | 36,168 |
| SILVERDALE WATER DIST 16 | WA5379300 | Washington | Community | 35,163 |
| EDMONDS CITY OF | WA5322500 | Washington | Community | 34,065 |