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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Columbia Pulp I
WA53AD699 · 25 served
COLUMBIA RIM WATER SYSTEM
WA5314169 · 77 served
COLUMBIA RIVER CARBONATES
WA5336504 · 33 served
COLUMBIA RIVER HIGH SCHOOL
WA5314172 · 1,044 served
COLUMBIA RIVERFRONT RV PARK
WA5300946 · 233 served
COLUMBIA ROCK AND AGGREGATES
WA5337016 · 21 served
COLUMBIA RV
WA5356226 · 1 served
COLUMBIA SCHOOL
WA5314175 · 20 served
COLUMBIA SCHOOL DISTRICT 206
WA5307664 · 275 served
COLUMBIA SPRINGS ESTATES
WA5304298 · 54 served
Columbia Valley Water District
WA5366110 · 2,648 served
COLUMBIA VIEW 1
WA5308263 · 2 served
COLUMBIA VIEW 2
WA5307762 · 12 served
COLUMBIA VIEW 3
WA5308265 · 11 served
COLUMBIA VIEW WATER SYSTEM
WA5314176 · 500 served
COLUMBIA VISTA CORP
WA5363669 · 10 served
COLUMBIA VISTA CORP #2
WA53AA115 · 10 served
COLUMBIA WATER SYSTEM
WA5308034 · 6 served
Columbia12 Touchet Chevron
WA5388888 · 104 served
COLUMBIALAND FARMS
WA5314180 · 25 served
COLUMBUS PARK
WA5314185 · 241 served
COLVILLE - ALBERT ORR WATER SYSTEM
WA53IH136 · 200 served
COLVILLE FUELS NOISY WATERS
105338115 · 1,350 served
COLVILLE INDIAN AGENCY
WA53IH133 · 225 served
COLVILLE INDIAN AGENCY
WA5314250 · 210 served
COLVILLE MALOTT COMMUNITY WT SYS
WA53IH138 · 171 served
Colville SDA Church
WA53AB191 · 91 served
COLVILLE WATER DEPARTMENT
WA5314200 · 4,945 served
COLVILLE-TWIN LAKES HUD WATER SYS
WA53IH139 · 35 served
COLVILLE-TWIN LAKES YOUTH CAMP
WA53IH140 · 45 served
COLVOS HEIGHTS
WA5314275 · 261 served
COMBINED WATER SYSTEM
WA5305795 · 435 served
COMMELLINIS RESTAURANT
WA5314327 · 46 served
COMMODORE LANE WATER
WA5314320 · 99 served
Common Field Water System
WA53AB738 · 36 served
COMMUNITY BAPTIST CHURCH
WA5318134 · 45 served
COMMUNITY BIBLE CHURCH
WA5322651 · 56 served
COMMUNITY PUMPING ASSOCIATION
WA5314370 · 46 served
Community Sewer and Water District
WA5305966 · 1,200 served
ConAgra Foods Lamb Weston Inc-Farm
WA5363913 · 107 served
CONBOY BEACH WATER SYSTEM
WA5314450 · 40 served
CONCERT CAMPING INC
WA5305133 · 2,040 served
Conconully Bible Camp
WA53AD923 · 71 served
CONCONULLY CAFE & TAVERN
WA5314480 · 25 served
CONCONULLY CITY WELL
WA5327795 · 299 served
CONCONULLY LAKE RESORT
WA5308912 · 10 served
CONCONULLY SP BOAT LAUNCH
WA53SP019 · 258 served
CONCONULLY SP PRIMITIVE AREA
WA53SP018 · 129 served
CONCONULLY STATE PARK
WA53SP170 · 1,004 served
CONCONULLY UIS
WA53FS135 · 25 served