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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WELK BROS METAL PRODUCTS INC-SYS #
WA5394174 · 50 served
WELK BROS. METAL PRODUCTS
WA5394176 · 25 served
WELLINGTON GREENS WATER SYSTEM
WA5320873 · 20 served
WELLPINIT
105300022 · 525 served
WELLPINIT COMMUNITY SYSTEM
WA53IH880 · 500 served
WELLPINIT SCHOOL
105300156 · 473 served
WELLPINIT SCHOOL
WA5341379 · 310 served
WELLS HYDROELECTRIC PROJECT
WA5394220 · 56 served
WELLS WATER ASSOCIATION
WA5394200 · 39 served
WENAS LAKE RESORT INC
WA5394335 · 18 served
WENATCHEE CITY OF
WA5394350 · 43,690 served
WENATCHEE DIST. OFC. MAINT. SITE
WA53HD960 · 110 served
WENATCHEE RIVER COUNTY PARK
WA5394342 · 40 served
WENBERG STATE PARK
WA53SP980 · 2,484 served
WENGER, MAY
WA5394384 · 18 served
WEONA BEACH
WA5394400 · 16 served
WESLEY GARDENS
WA5394457 · 350 served
Wesola Polana
WA53AB415 · 31 served
WEST 1 BANK
WA5303685 · 25 served
WEST 15 DOMESTIC WATER ASSN
WA5394650 · 150 served
WEST ANCHOR PARK
WA5394465 · 65 served
WEST BEACH RESORT
WA5394470 · 76 served
WEST BEACH ROAD ASSOCIATION
WA5317970 · 37 served
WEST BEACH VISTA
WA5394472 · 25 served
WEST CASHMERE WATER SYSTEM
WA5394475 · 63 served
WEST CASTLE ROCK WATER
WA5394480 · 481 served
WEST COAST OIL PACIFIC PRIDE
WA5303011 · 1,211 served
WEST CONGER WATER SUPPLY CO
WA5394500 · 36 served
WEST DEER LAKE #1
WA5300615 · 24 served
WEST END
WA5307902 · 12 served
WEST END DRIVE-IN
WA5394550 · 25 served
WEST KITSAP
WA5308367 · 2,248 served
WEST MEADOW WATER SYSTEM
WA5307708 · 6 served
WEST MESA DOMESTIC WATER ASSN
WA5394830 · 316 served
WEST OLYMPIA MEDICAL PARK
WA5308383 · 52 served
WEST PASCO WATER SYSTEM INC
WA5394850 · 2,015 served
WEST PLAINS FARM SUPPLY
WA5334374 · 50 served
WEST PORT BLAKELY WATER ASSOC INC
WA5394860 · 56 served
WEST PRAIRIE VILLAGE
WA5310614 · 375 served
WEST RICHLAND CITY OF
WA5394900 · 21,231 served
WEST RIDGE WATER SYSTEM
WA5394942 · 275 served
WEST SEQUIM BAY INC
WA5354192 · 2,759 served
WEST SHORE DRIVE WATER SYSTEM
WA53AA119 · 23 served
West Side Mobile Court
WA5394910 · 80 served
WEST SIDE WATER WORKS
WA5394970 · 65 served
WEST SOUND ACADEMY
WA53AB639 · 120 served
West Sound Utility District #1
WA5302600 · 28,930 served
WEST SOUND WATER ASSOCIATION
WA5345014 · 206 served
WEST TAPPS WATER CO
WA5395025 · 60 served
WEST VALLEY HIGH SCHOOL
WA5394927 · 815 served