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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SULTAN ESTATES WATER SYSTEM
WA5384760 · 340 served
SULTAN WATER DEPARTMENT
WA5384770 · 7,160 served
SULWHANON
105300141 · 150 served
SUMAS RURAL WATER ASSOCIATION
WA5384850 · 612 served
SUMAS WATER DEPT
WA5384870 · 1,740 served
SUMMER CAMP
WA53AA086 · 18 served
SUMMER FALLS PARK
WA53AA110 · 6 served
SUMMER FALLS STATE PARK
WA53SP910 · 121 served
SUMMER SHORES WATER ASSOCIATION
WA5384896 · 257 served
SUMMERHILL
WA5384898 · 42 served
SUMMERLAND
WA5384903 · 85 served
SUMMERS CIRCLE WATER LLC
WA5307937 · 82 served
SUMMERSET MERIDIAN
WA5384907 · 96 served
SUMMERSET WEST WATER ASSOCIATION
WA5385080 · 240 served
SUMMERTIDE
WA5346230 · 11 served
SUMMERWOOD MOBILE MANOR & RV PARK
WA5306809 · 75 served
SUMMIT GROVE LODGE
WA5384910 · 29 served
SUMMIT HOUSE WATER SYSTEM
WA5343164 · 525 served
SUMMIT LAKE BOY SCOUT CAMP
WA5312376 · 55 served
SUMMIT LAKE CAMPGROUND
WA53FS896 · 25 served
SUMMIT LAKE COMMUNITY CLUB
WA5301590 · 30 served
SUMMIT LAKE WATER SYSTEM
WA5310141 · 25 served
Summit Pacific Medical Center
WA53AD837 · 346 served
SUMMIT PARK IMPROVEMENT CO
WA5384920 · 69 served
SUMMIT QUARRY WATER SYSTEM
WA53AA173 · 10 served
SUMMIT VALLEY SCHOOL DISTRICT #2
WA53AA199 · 90 served
SUMMIT VIEW WATER SYSTEM
WA5303303 · 1,869 served
SUMMIT WATER & SUPPLY CO
WA5385050 · 16,109 served
SUMNER CITY OF
WA5385120 · 16,438 served
SUN ACRES ROAD & WATER ASSN
WA5385121 · 47 served
Sun Basin Campground
WA53AB689 · 33 served
SUN COUNTRY ESTATES 1-2-3
WA5385123 · 277 served
SUN COVE PUBLIC WATER SYSTEM
WA5385124 · 716 served
SUN COVE RESORT
WA5314614 · 21 served
SUN COVE WATER SYSTEM
WA5385125 · 23 served
SUN DESERT INC
WA5319936 · 27 served
Sun Harbor NW
WA53AE118 · 99 served
Sun Harbor SW
WA53AE114 · 188 served
SUN HARBOR WATER DISTRICT #3
WA5385129 · 187 served
SUN ISLAND MAINTENANCE ASSN
WA5385128 · 97 served
SUN LAKES STATE PARK
WA53SP920 · 4,858 served
SUN MEADOWS
WA5304511 · 295 served
SUN MOUNTAIN RESORT
WA5385135 · 376 served
SUN MOUNTAIN WATER ASSOCIATION
WA5307682 · 18 served
SUN RAY SHORES OWNERS ASSOCIATION
WA5305567 · 15 served
SUN ROCK
WA5385139 · 25 served
SUN TIDES COMMUNITY LLC
WA5386280 · 63 served
SUN TIDES VISTA HOMEOWNERS ASSN
WA5386284 · 350 served
SUN VALLEY ORCHARD FARMWORKER
WA53AD198 · 52 served
SUN VILLAGE RESORT LLC
WA5385152 · 192 served