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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HACKETT ROAD WATER SYSTEM
WA5307852 · 4 served
HADALLER RIFFE LAKE CG
WA5303462 · 44 served
HAFFEY, NEIL
WA5307558 · 2 served
HAHOBAS SCOUT RESERVATION
WA5300053 · 4 served
HAI YACTH
WA5381356 · 84 served
HAI YATCH WATER
WA5330376 · 162 served
HAINLINE WATER
WA5307743 · 4 served
HAJ
WA5308213 · 5 served
HALEY, JOE AND GARY
WA5307629 · 6 served
HALF DOLLAR BERRY TRACTS
WA5330410 · 129 served
HALF WAY SPRING
WA53FS335 · 25 served
HALF WAY SPRING
WA5312986 · 25 served
HALFWAY RV PARK
WA5325605 · 20 served
HALLERAN WATER
WA5307523 · 6 served
HALO MOBILE HOME PARK
WA5330630 · 60 served
HALUSEK WATER SYSTEM
WA53AA240 · 5 served
Halverstick Temp Farmworker Housing
WA53AE131 · 96 served
HALVORSEN HOUSE B&B WATER SYSTEM
WA5308384 · 1 served
HALVORSEN WATER SYSTEM
WA53AA210 · 6 served
HAMA HAMA COMPANY
WA5330778 · 125 served
HAMBY, KATHY A.
WA5348926 · 53 served
HAMILTON AL
WA5330705 · 1,807 served
HAMILTON BETTY
WA5304767 · 93 served
HAMILTON WATER DEPARTMENT
WA5330700 · 540 served
HAMMA HAMMA CAMPGROUND
WA53FS342 · 29 served
HAMMA HAMMA GUARD STATION
WA53FS344 · 25 served
HAMMA RIDGE
WA5305867 · 63 served
HAMMER, RAY 5-ACRE L.T.S. 10
WA5316077 · 36 served
HAMMERSLEY INLET ESTATES
WA5330789 · 25 served
HAMMIL, PATTY WATER
WA5330790 · 25 served
HAMPTON PARK RESORT
WA5330797 · 50 served
HAMPTON WATER ASSOCIATION
WA5330800 · 54 served
HANCOR INC
WA5330835 · 25 served
HANDY SPRING
WA53FS350 · 25 served
HANEYS RESORT
WA5330845 · 51 served
HANGMAN HILLS WATER DIST 15
WA5330848 · 827 served
HANNAH HEIGHTS #2 WATER USERS ASSN
WA5325264 · 44 served
HANNAH HEIGHTS OWNERS ASSOCIATION
WA5330850 · 66 served
HANSEN
WA5308101 · 44 served
HANSON HARBOR HOMEOWNERS ASSN
WA5319928 · 220 served
HANSON, ANNA WATER ASSN.
WA5330900 · 25 served
HANSTEAD WATER SYSTEM
WA5307536 · 2 served
HANSVILLE WATER DIST
WA5330950 · 1,561 served
HAPPY HILL COMMUNITY CLUB
WA5330955 · 69 served
HAPPY HOLLOW GROCERY
WA5323941 · 29 served
HAPPY HOME
WA5308026 · 16 served
HAPPY TAILS WELL
WA5307554 · 5 served
HAPPY VALLEY ESTATES
WA5330975 · 46 served
HARBOR AIRLINES
WA5330983 · 56 served
HARBOR COUNTRY APARTMENTS
WA5315314 · 410 served