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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
NAVAL BASE KITSAP AT BANGOR WA5302714 Washington Community 16,828
YELM CITY OF WA5399350 Washington Community 16,633
NAVAL AIR STATION/WHIDBEY ISLAND WA5303420 Washington Community 16,595
NORTH PENINSULA WA5305122 Washington Community 16,449
OLYMPIC VIEW WATER & SEWER DISTRICT WA5363600 Washington Community 16,403
SUMMIT WATER & SUPPLY CO WA5385050 Washington Community 16,109
KING COUNTY WATER DISTRICT #49 WA5339800 Washington Community 16,065
COAL CREEK UTILITY DISTRICT WA5341750 Washington Community 15,989
SNOQUALMIE WATER WA5381080 Washington Community 15,848
CHELAN CO PUD 1 WA5312284 Washington Community 15,840
PORT ORCHARD WATER DEPT WA5368900 Washington Community 15,810
SUMNER CITY OF WA5385120 Washington Community 15,530
FRUITLAND MUTUAL WATER COMPANY WA5326800 Washington Community 15,313
KELSO CITY OF WA5338000 Washington Community 15,097
RIMROCK MEADOWS RANCH IV WA5304379 Washington Transient Non-Community 15,000
GIG HARBOR WATER DEPT WA5327600 Washington Community 14,902
CHENEY CITY OF WA5312400 Washington Community 14,621
QUIMPER WA5305783 Washington Community 14,500
SEQUIM CITY OF WA5377620 Washington Community 14,293
LIBERTY LAKE SEWER & WATER DISTRICT WA5347150 Washington Community 14,212
STANWOOD WATER DEPT CITY OF WA5383650 Washington Community 13,785
DUPONT WATER SYSTEM CITY OF WA5320500 Washington Community 13,141
JBLM McChord Field WA5352200 Washington Community 13,115
SELAH CITY OF WA5377400 Washington Community 12,515
BAINBRIDGE ISLAND CITY OF WA5397650 Washington Community 12,486
GLACIER RANGER STATION WA53FJ296 Washington Transient Non-Community 12,346
NAVAL BASE KITSAP AT BREMERTON WA5303468 Washington Community 12,078
SKYWAY WATER & SEWER WA5338800 Washington Community 12,036
BEACON HILL WATER & SEWER DISTRICT WA5315650 Washington Community 11,969
HOQUIAM WATER DEPARTMENT WA5334350 Washington Community 11,456
CHEHALIS WATER DEPARTMENT WA5312250 Washington Community 11,426
SNOHOMISH CITY OF WA5380915 Washington Community 11,258
GRANDVIEW CITY OF WA5328970 Washington Community 11,010
SOUTHEAST TACOMA MUTUAL WATER CO WA5382800 Washington Community 10,850
WOODLAND CITY OF WA5398200 Washington Community 10,640
MANCHESTER WATER DISTRICT WA5350700 Washington Community 10,437
ORTING CITY OF WA5364500 Washington Community 10,332
DUVALL CITY OF WA5320750 Washington Community 10,267
LWWSD - SOUTH SHORE WATER SYSTEM WA5395910 Washington Community 10,028
PORT ANGELES COMPOSITE WA5343296 Washington Community 9,879
COUGAR ROCK CAMPGROUND WA53NP140 Washington Transient Non-Community 9,722
MOUNTAIN VIEW-EDGEWOOD WATER CO WA5356820 Washington Community 9,680
AIRWAY HEIGHTS CITY OF WA5300650 Washington Community 9,489
CONSOLIDATED IRRIG DIST 19 SYSTEM 1 WA5310220 Washington Community 9,434
CHELAN WATER DEPT CITY OF WA5312300 Washington Community 9,425
OCEAN SHORES WATER DEPT WA5363008 Washington Community 9,347
LEAVENWORTH CITY OF WA5346500 Washington Community 9,218
BIRCH BAY WATER & SEWER DISTRICT WA5395904 Washington Community 9,019
TOPPENISH WATER DEPARTMENT WA5388850 Washington Community 8,950
SMOKEY POINT REST AREA - WSDOT WA53HD720 Washington Transient Non-Community 8,948