Utilities in Washington
9,956 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
Is your public water system listed? Claim your free listing →
Claim Your Listing →Showing page 134 of 200 (9,956 systems)
PORT GAMBLE WATER DEPT
WA5368650 · 90 served
PORT GAMBLE-LOWER-CWS
105300049 · 373 served
PORT MADISON WATER COMPANY
WA5368750 · 233 served
PORT MADISON YACHT CLUB
WA53AC163 · 28 served
PORT OF ALLYN
WA5368790 · 397 served
PORT OF ALLYN - KIRK WATER SUP
WA5342200 · 25 served
PORT OF BREMERTON
WA53AB611 · 1 served
PORT OF CAMAS-WASHOUGAL
WA5358329 · 26 served
PORT OF DEWATTO
WA5305616 · 25 served
PORT OF MATTAWA - IND PARKS 2 & 4
WA53AD049 · 110 served
PORT OF PORT TOWNSEND QUILCENE
WA5325931 · 55 served
PORT OF RIDGEFIELD INDUSTRIAL PARK
WA5333344 · 100 served
Port of Royal Slope
WA5300020 · 447 served
PORT OF SEATTLE/SEATAC AIRPORT
WA5303182 · 49,483 served
PORT OF SHELTON JOHNS PRAIRIE
WA5300620 · 328 served
PORT OF SHELTON SANDERSON FIELD
WA5368835 · 283 served
PORT OF VANCOUVER
WA5368850 · 317 served
PORT OF WILLAPA HARBOR TOKELAND
WA5328190 · 184 served
PORT OF WILLIPA HARBOR
WA5368860 · 25 served
PORT ORCHARD AIRPORT & CAFE
WA5320214 · 299 served
PORT ORCHARD AIRPORT CAFE
WA5382250 · 307 served
PORT ORCHARD MARKET AND DELI
WA5347386 · 154 served
PORT ORCHARD NAZARENE CHURCH
WA5302354 · 130 served
PORT ORCHARD SEVENTH DAY
WA5368880 · 71 served
PORT ORCHARD WATER DEPT
WA5368900 · 15,355 served
PORT SUSAN CAMP CLUB #1
105300090 · 1,500 served
PORT SUSAN CAMP CLUB #2
105300091 · 1,000 served
PORT SUSAN CAMP CLUB #3
105300092 · 1,000 served
PORT SUSAN CAMPING CLUB
WA5355349 · 333 served
PORT SUSAN TERRACE WATER
WA5368950 · 48 served
PORT TOWNSEND CITY OF
WA5369000 · 17,053 served
PORT TOWNSEND PAPER CORP
WA5316320 · 300 served
PORTAL WAY MOBIL HOME PARK
WA5369001 · 37 served
PORTER CREEK CAMP - WSDNR
WA53NR590 · 25 served
PORTER CREEK SALOON
WA5305816 · 35 served
PORTER GENERAL STORE
WA5369004 · 45 served
PORTLAND FAIR ESTATES
WA5369008 · 130 served
POSSESSION BEACH WATERFRONT PARK
WA5338041 · 299 served
POSSESSION SHORES INC
WA5369020 · 150 served
POSSESSION VIEW
WA5369023 · 135 served
POSSIBILITY ORCHARDS
WA53AD093 · 28 served
POST 60
WA5369025 · 95 served
POSTER E DANIEL JR
WA5317805 · 8 served
Potholes General Store
WA5308167 · 877 served
Potholes Home Owners Association
WA5305977 · 147 served
POTHOLES STATE PARK
WA53SP690 · 1,456 served
POTHOLEVIEW ESTATES
WA5307539 · 11 served
POTIZO WATER SYSTEM
WA5308249 · 8 served
POTLATCH BEACH COMMUNITY
WA5369030 · 35 served
POTLATCH BEACH MUTUAL
WA5369050 · 109 served