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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UNION RIDGE
WA5306553 · 93 served
UNIONTOWN WATER WORKS
WA5390400 · 366 served
Unit 67
WA53AD857 · 184 served
UNITED AIR LINES INC
WA5390410 · 745 served
UNITED ENGINEERS & CONSTRUCTORS
WA5390416 · 400 served
UNITED METHODIST CHURCH OF RANDLE
WA53AA422 · 60 served
UNITED STATES BORDER STATION
WA5390421 · 10 served
UNITED STATES BOUNDARY STATION
WA5390423 · 25 served
UNIVERSITY HEIGHTS
WA5390543 · 76 served
UNIVERSITY LIONS-CAMANO YOUTH CAMP
WA5352924 · 29 served
UNIVERSITY PLACE WATER CO
WA5390600 · 25 served
UNKNOWN
WA5390440 · 25 served
Up the Creek Bar & Grill/ See AD164
WA5307381 · 27 served
UPPER BAKER
WA5305754 · 180 served
UPPER BEAVER LAKE CAMPGROUND
WA53FS965 · 25 served
UPPER BUMPING LAKE CG/NACHES RD
WA53FS078 · 104 served
UPPER CLEARWATER CAMPGROUND
WA53NR850 · 15 served
UPPER COLUMBIA ACADEMY
WA5390685 · 380 served
UPPER COLUMBIA CONFERENCE
WA5390690 · 62 served
Upper Columbia RV Park & Campground
WA5304490 · 10 served
UPPER COMMUNITY
WA53IH819 · 25 served
UPPER PRESTON WATER ASSN
WA5390700 · 150 served
UPPER SKAGIT
105300048 · 365 served
UPPER SKAGIT INDIAN UTILITY DEPT
WA53IH820 · 215 served
UPPER SKAGIT UTILITY DEPT
WA53IH825 · 215 served
UPRIGHT CHANNEL RECREATIONAL AREA
WA53NR017 · 140 served
UPS
WA5307061 · 140 served
URANIUM CITY WATER SYSTEM
WA5390750 · 25 served
URM
WA5385140 · 25 served
US BORDER STATION - DANVILLE
WA5317810 · 171 served
US BORDER STATION - LAURIER
WA5346315 · 99 served
US ECOLOGY 4 WATER LINE
WA5307829 · 40 served
US NAVAL RADIO STATION(T)JIM CRK
WA5311496 · 111 served
USACE ILLIA RESIDENTIAL AREA
WA5348704 · 46 served
USCG LIGHT STATION NEW DUNGENESS
WA53CG110 · 35 served
USDA AGRICULTURAL RESEARCH SERVICE
WA5304776 · 100 served
USELESS BAY BEACH CLUB
WA5390770 · 25 served
USELESS BAY SHORES
WA5333261 · 56 served
USFS-BZ Corner Launch Site
WA53FS144 · 185 served
USK WATER WORKS
WA5390800 · 141 served
USN MWR FACILITY
WA5363881 · 147 served
USNR/WOODLAND DIVISION
WA5325466 · 80 served
UTSALADY HEIGHTS OWNERS ASSN
WA5300982 · 240 served
UTSALADY POINT
WA5390850 · 54 served
UTSALADY WATER
WA5390847 · 80 served
V. GOECKNER WATER SYSTEM
WA5308002 · 4 served
V.I.P. MARVIN RD # 21
WA5391928 · 267 served
VAAGEN BROS LUMBER COMPANY
WA5375830 · 5 served
VACATION VALLEY R.V. PARK
WA5323465 · 30 served
VADER-ENCHANTED VALLEY
WA5390900 · 985 served