Utilities in Washington
9,956 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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SAGE HILLS GOLF CLUB & RV RESORT
WA5392826 · 115 served
SAGE HILLS SECOND WATER SYSTEM
WA5304398 · 34 served
Sagedale Apartments
WA53AC812 · 40 served
Sagemoor Cherry Harvest Camp
WA53AD676 · 96 served
SAINT EDWARDS STATE PARK
WA53SP765 · 1,100 served
SAINT GEORGES SCHOOL
WA5375295 · 354 served
SAJE LANE WATER SYSTEM
WA5308003 · 10 served
SALES WATER SYSTEM - 508
WA5307752 · 6 served
Salish Sea Water System
WA53AC941 · 26 served
SALISHAN WATER SYSTEM
WA5334577 · 43 served
SALKUM WATER SUPPLY
WA5375550 · 103 served
SALLAL WATER ASSOCIATION INC
WA5375560 · 6,600 served
SALMON CREEK TREATMENT PLANT
WA5354227 · 13 served
SALMON FALLS RETREAT CENTER
WA5310530 · 25 served
Salmon La Sac CG D/Cle Elum RD
WA53FS132 · 33 served
Salmon La Sac CG E/Cle Elum RD
WA53FS133 · 33 served
Salmon La Sac CG F/Cle Elum RD
WA53FS134 · 33 served
Salmon La Sac CG G/Cle Elum RD
WA53FS136 · 33 served
Salmon La Sac CG I/Cle Elum RD
WA53FS141 · 34 served
SALMON LA SAC CG/CLE ELUM RD
WA53FS810 · 212 served
SALMON MEADOWS CG - TONASKET RD
WA53FS812 · 52 served
SALMON MEADOWS SKI LODGE
WA53FS814 · 26 served
SALMON STREET
WA5303696 · 25 served
SALSBURY COUNTY PARK
WA5375607 · 50 served
SALT AIRE MOBILE TERRACE
WA5375616 · 23 served
SALT CREEK CAMPGROUND
WA5375618 · 52 served
SALTWATER PARK
WA5300544 · 103 served
SALTWATER STATE PARK
WA53SP770 · 181 served
SALVATION ARMY - CAMP LUMMI
WA5357704 · 34 served
SALVESON TLR COURT
WA5375625 · 40 served
SAM WARD
WA5302495 · 32 served
SAM Farmworker Housing
WA53AD533 · 100 served
SAM HILL'S COUNTRY STORE
WA5341901 · 28 served
SAM LAKE IMPROVEMENT ASSOCIATION
WA5375636 · 128 served
SAMISH FARMS WATER ASSN
WA5375645 · 1,017 served
SAMISH GRADE SCHOOL
WA5375648 · 250 served
SAMISH ISLAND WATER CO
WA5375650 · 8 served
SAMISH PARK
WA5315064 · 214 served
SAMISH RIVER PARK, INC.
WA5375670 · 227 served
SAMMAMISH PLATEAU WATER & SEWER
WA5340900 · 79,362 served
SAMMAMISH VIEW PARK
WA5375700 · 64 served
SAN JUAN
WA53FS819 · 25 served
SAN JUAN CO PARK
WA5375755 · 114 served
San Juan County PW - Beaverton
WA53AD538 · 61 served
SAN JUAN ESTATES WATER ASSOCIATION
WA5318605 · 36 served
SAN JUAN FAIRWAYS OWNERS ASSN
WA5375765 · 40 served
SAN JUAN GOLF & COUNTRY CLUB
WA53AA248 · 121 served
SAN JUAN ISLAND - ENGLISH CAMP
WA5317514 · 171 served
SAN JUAN ISLAND NHP-AMERICAN CAMP
WA5317527 · 117 served
SAN JUAN NAVAGATION
WA5375775 · 25 served