Utilities in Montana
4,915 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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COFFEE POT BAKERY AND CAFE
MT0004864 · 97 served
COHAGEN BAR
MT0001539 · 50 served
COLD COUNTRY BOTTLED WATER INC
MT0003550 · 300 served
COLLEGE OF TECHNOLOGY WEST CAMPUS
MT0003506 · 140 served
COLSTRIP CITY OF
MT0000180 · 2,350 served
COLSTRIP ICE AND SERVICE
MT0003339 · 30 served
COLSTRIP MOOSE LODGE NO 2190
MT0003266 · 0 served
COLSTRIP SUPER STOP
MT0003470 · 100 served
COLTER CAMPGROUND
MT0001555 · 45 served
COLTER CAMPGROUND
MT0001573 · 45 served
COLTER CG AND COOKE WC
MT0062481 · 25 served
COLUMBIA FALLS CITY OF
MT0000181 · 4,450 served
COLUMBIA RANGE HOA
MT0004818 · 47 served
COLUMBUS REST AREA EASTBOUND
MT0001887 · 800 served
COLUMBUS REST AREA WESTBOUND
MT0002595 · 800 served
COLUMBUS TOWN OF
MT0000185 · 1,900 served
COLUMBUS IGA
MT0003907 · 33 served
COLUMBUS REST AREAS E & W
MT0003208 · 50 served
COMMUNITY CHAPEL SCHOOL
MT0002949 · 25 served
COMMUNITY NURSERY SCHOOL
MT0003241 · 15 served
COMMUNITY SCHOOL DISTRICT #16
MT0000961 · 25 served
COMSTOCK
MT0004656 · 330 served
CONDON WORK CENTER
MT0062279 · 60 served
CONF. SALISH-KOOTENAI OFFICE
MT0000577 · 35 served
CONNECT CHURCH UNAPPROVED
MT0004880 · 0 served
CONNER MARKET
MT0004260 · 52 served
CONOCO CONVENIENCE CENTER
MT0003927 · 200 served
CONRAD CHRISTIAN SCHOOL
MT0003155 · 40 served
CONRAD COMPLEX 03025
MT0003025 · 25 served
CONRAD WATER DEPT
MT0000186 · 2,500 served
CONSOLIDATED CHARLO LAKE CO W AND S DIST
MT0000172 · 450 served
CONSOLIDATED CHEYENNE US
MT0000008 · 2,500 served
CONVERGENCE MINISTRIES
MT0003877 · 130 served
COOKE CITY WATER DISTRICT
MT0000187 · 300 served
COOKE PASS MOTEL & RV
MT0001552 · 150 served
COOL SPRING COLONY
MT0004051 · 75 served
COONEY ENTERPRISES
MT0003670 · 50 served
COONEY RECREATION AREA
MT0002444 · 25 served
COONEY ST PK MARSHALL COVE CG
MT0042444 · 25 served
COONEY ST PK NORTH SHORE CG
MT0043955 · 25 served
COONEY ST PK RED LODGE CREEK CG
MT0043956 · 25 served
COP CONSTRUCTION LLC
MT0004574 · 30 served
COPENHAVER REST STOP
MT0001942 · 25 served
COPPER CREEK CAMPGROUND
MT0062263 · 29 served
COPPER CREEK CAMPGROUND
MT0062324 · 34 served
COPPER QUEEN BAR
MT0000692 · 22 served
COPPER ROSE RANCH
MT0005082 · 180 served
CORAM COUNTY WATER AND SEWER DISTRICT
MT0000189 · 450 served
CORAM PRIVATE WATER SUPPLY
MT0000188 · 100 served
CORBIN WATER USERS ASSN
MT0003256 · 29 served