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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HORN RAPIDS PARK WATER SYSTEM
WA5307903 · 20 served
HORN SCHOOL REST AREA
WA53HD300 · 833 served
HORSE HAVEN MOBILE PARK
WA5322594 · 7 served
HORSE HEAVEN HILLS MOBILE HOME PARK
WA5334425 · 27 served
HORSEHEAD BAY WATER
WA5330878 · 65 served
HORSESHOE COVE CAMPGROUND
WA53FS377 · 175 served
HORSESHOE COVE CAMPGROUND
WA5334480 · 230 served
HORSESHOE LAKE COUNTY PARK
WA5334483 · 67 served
HORSESHOE LAKE DEV CO
WA5334485 · 25 served
HORSESHOE LAKE ESTATES
WA5334493 · 249 served
HORSESHOE LAKE GOLF COURSE
WA5307378 · 173 served
HORSESHOE TRAILER PARK
WA5308012 · 40 served
HORSFALL 608
WA5334505 · 165 served
HOSCH ESTATES 1
WA5307487 · 12 served
HOSCH ESTATES 2
WA5307488 · 8 served
HOSCH ESTATES 3
WA5307489 · 12 served
HOSCH ESTATES 4
WA5307492 · 8 served
HOT SPRINGS COURT
083090312 · 55 served
Hound Orchard Farmworker Housing
WA53AD001 · 96 served
HOVANDER FARMS
WA5303269 · 28 served
HOVDE WATER SYSTEM
WA5308110 · 8 served
HOVIS, MIKE COMMUNITY WATER
WA5334518 · 3 served
HOWIES DINER WATER SYSTEM
WA53AA155 · 2 served
HOYT MOBILE HOME PARK
WA5334550 · 30 served
HOYTE, DEREK
WA5307640 · 7 served
HOZOMEEN NO 1
WA53NP360 · 8 served
HOZOMEEN WATER SYSTEM
WA53NP370 · 21 served
HRS WATER SYSTEM
WA5308315 · 8 served
HUBER WELL
WA5307616 · 2 served
HUCK FARM CHURCH CAMP
WA5307858 · 13 served
HUCKLEBERRY HILL
WA5307966 · 2 served
HUCKLEBERRY ROAD WATER CO
WA5334650 · 50 served
HUFF AND PUFF DRIVE IN
WA5300801 · 313 served
HUFFMAN
WA5300805 · 37 served
HUGHES WATER SYSTEM
WA5356839 · 43 served
HULL, E.L. WATER SYSTEM
WA5302646 · 10 served
HULL, GERALD AND JUDY
WA53AA012 · 2 served
HULL, ROY WATER SYSTEM
WA5334824 · 305 served
HUMPHREY HEAD OWNERS ASSOC
WA5334860 · 37 served
Humptulips Grange #730
WA53AB324 · 100 served
HUMPTULIPS GROCERY
WA5334866 · 105 served
HUMPTULIPS WORK CENTER
WA53FS384 · 25 served
HUNGRY BEAR
WA5330775 · 2 served
HUNGRY BEAR CAFE/BEAR CREEK
WA5334870 · 205 served
HUNGRY BEAVER
WA5315482 · 133 served
Hunt Community (Hunt I&II)
WA5300567 · 75 served
HUNT COMMUNITY (HUNT III)
WA5301591 · 30 served
Hunter Bay Water System
WA53AC453 · 14 served
HUNTER HILL VINEYARDS
WA5307930 · 3 served
HUNTER POINT WATER ASSOC INC
WA5334887 · 4 served