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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ARIEL STORE
WA5333571 · 25 served
ARIEL WATER SYSTEM
WA5326677 · 25 served
ARLENES ADDITION
WA5302942 · 480 served
ARLINGTON CITY OF
WA5302950 · 20,418 served
ARLINGTON EAST MUTUAL WATER ASSN.
WA5302948 · 100 served
ARLINGTON FUEL STOP INC
WA53AA613 · 34 served
ARLINGTON HEIGHTS WATER CO INC
WA5311134 · 57 served
ARLINGTON KINGDOM HALL OF JEHOVAH
WA5311876 · 109 served
ARLINGTON LDS CHURCH
WA5336136 · 299 served
ARLINGTON TERRACE
WA5327241 · 104 served
ARLINGTON VIEW ESTATES WATER ASSOC
WA5302945 · 75 served
ARMSTRONG 4-PLEXES
WA5304347 · 112 served
ARMSTRONG WATER SYSTEM - 389
WA5307476 · 2 served
ARNOLD TRACTS WATER SYSTEM
WA5307575 · 16 served
ARNOTT-BODDY WATER SYSTEM
WA5308230 · 15 served
ARNTS WATER SYSTEM
WA5307817 · 8 served
AROMATICS
WA53AD027 · 40 served
ARROW HEAD ACRES WATER ASSOCIATION
WA5333091 · 25 served
ARROW LUMBER & HARDWARE
WA5302365 · 58 served
ARROW MACHINERY
WA5302995 · 20 served
Arrow Ridge Farmworker Housing
WA53AD510 · 93 served
Arrow Ridge Water System
WA53AD277 · 56 served
ARROWHEAD BEACH COOP WATER ASSOC
WA5303000 · 167 served
ARROWHEAD PT COMM
WA5303100 · 25 served
Arrowhead Ranch
WA53AB980 · 140 served
ARTESIAN WATER DISTRICT 8
WA5303150 · 302 served
ARTHUR MILLER WATER SYSTEM
WA53AA006 · 1 served
ARTIC TAVERN AND RV PARK
WA5303154 · 58 served
ARTONDALE
WA5303160 · 5,828 served
ARTONDALE COMMUNITY WATER SYSTEM
WA5308352 · 15 served
ARTONDALE ELEMENTARY SCHOOL
WA5303162 · 520 served
Aryan Food Mart
WA5379215 · 27 served
Asahel Curtis Picnic Ground East
WA53FS131 · 80 served
Asahel Curtis Picnic Ground West
WA53FS016 · 80 served
ASHBACH COMMUNITY WATER
WA5303186 · 25 served
ASHFORD WATER DISTRICT
WA5303200 · 1,141 served
ASHINGDON MANOR WATER SYSTEM
WA5308035 · 2 served
ASHLEY LANE
WA5363777 · 30 served
ASHLEY WATERHOLE
WA5304146 · 43 served
ASOTIN COUNTY HEADGATES PARK
WA5303235 · 2 served
ASOTIN WATER DEPT
WA5303250 · 2,531 served
ASPEN ESTATES
105300140 · 592 served
ASPEN REFLECTIONS LANDING WATER
WA5305782 · 49 served
ASPINWALL ESTATES
WA5301463 · 93 served
ASTON ESTATES
WA5309066 · 141 served
AT WORK TAVERN
WA5305341 · 26 served
ATHENS BEACH WATER COMPANY
WA5303300 · 50 served
ATKINSON-WISNER & BECKER
WA5303312 · 25 served
ATONEMENT FREE LUTHERAN CHURCH
WA5350192 · 33 served
AUBURN ACADEMY WS #2
WA5303400 · 25 served