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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HARTSELL WATER SYSTEM
WA5300880 · 15 served
HARTSTENE POINTE
WA5331569 · 460 served
HARTWOOD WATER SYSTEM
WA5331575 · 95 served
HARVEST GOLD BOTTLED WATER
WA5308403 · 5 served
HASTIE LAKE WATER SYSTEM
WA5307773 · 4 served
HAT ISLAND COMMUNITY INC
WA5331593 · 348 served
HATTON COULEE REST AREA
WA53HD280 · 3,882 served
HATTON TOWN OF
WA5331600 · 105 served
HAUSER WATER SUPPLY
WA5331750 · 25 served
HAVEN BY THE SEA
WA5331820 · 145 served
HAVEN HOMES
WA5356743 · 7 served
HAVEN MAC KAYE SUBDIVISION
WA5331745 · 25 served
HAVEN WATER SYSTEM
WA53AA026 · 2 served
HAVEN WELL SYSTEM
WA5300550 · 32 served
Havilah Retreat Center
WA5302346 · 106 served
HAWK ACRES 607
WA5331845 · 328 served
HAWK CREEK CAMPGROUND
WA53NP335 · 308 served
HAWKS MEADOW WATER SYSTEM
WA5307956 · 43 served
HAWLEY HILLS 686
WA53AB037 · 425 served
HAYES-ISLE WATER SYSTEM
WA5300820 · 43 served
HAYFORD COMMUNITY CHURCH
WA5331873 · 50 served
HAYNES ACRES DIVISION 1
WA5300792 · 74 served
HAYS TRAILER PARK
WA5308275 · 8 served
HAZEL CREEK MONTESSORI
WA5306916 · 100 served
HAZEL DELL MOBILE PARK
WA5331975 · 24 served
HAZEL DELL VIEW WATER
WA5307712 · 9 served
HAZELWOOD HEIGHTS
WA5332000 · 85 served
HCI STEEL PRODUCTS INC
WA5358984 · 40 served
HEAD GATES PARK
WA5308229 · 45 served
HEADQUARTERS TAVERN
WA5332047 · 41 served
HEADQUARTERS WATER ASSOC INC
WA5332050 · 22 served
Headwaters Pub
WA5332057 · 54 served
HEART O THE HILLS
WA5302632 · 76 served
HEART OF THE HILLS
WA53NP340 · 406 served
HEART OF THE HILLS WATER ASSN.
WA5343850 · 99 served
HEARTLY ESTATES 6-9
WA53AA028 · 16 served
HEATHER MEADOWS
WA53FS375 · 1,805 served
HEATHER MEADOWS
WA1500375 · 5 served
HEATHER MEADOWS WATER
WA5332100 · 5 served
HEATHER WATER WORKS
WA5332114 · 29 served
HEAVEN HILLS ESTATES
WA5308137 · 9 served
HEBERT - 380 WATER SYSTEM
WA5307819 · 2 served
HEDGES CELLARS
WA5305794 · 60 served
HEDLUND DUPLEXES
WA5332200 · 42 served
HEEB LORAN BEN WATER SYSTEM
WA5308231 · 10 served
HEFFLIN WATER
WA53AA081 · 3 served
HEGGE, RON
WA5307985 · 4 served
HEIGHTS WATER
WA5332300 · 2,051 served
HELLS CROSSING_CG./NACHES R.D.
WA53FS358 · 43 served
HEMLOCK 2 512
WA5307722 · 15 served