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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HAYS TRADING POST
MT0001935 · 250 served
HAYS/LODGE POLE PUBLIC SCHOOLS
MT0001927 · 50 served
HAYS/WHITE COW CANYON WS
083090044 · 840 served
HEAD TRAILER PARK
MT0003564 · 50 served
HEADQUARTERS APGAR
MT0003176 · 500 served
HEADQUARTERS BUILDING REGION 4
MT0043637 · 220 served
HEADWATERS BOAT RAMP
MT0042425 · 200 served
HEADWATERS BOAT RAMP
MT0002425 · 25 served
HEADWATERS CAMPGROUND
MT0043336 · 40 served
HEADWATERS CAMPGROUND
MT0002424 · 25 served
HEADWATERS LIVESTOCK AUCTION
MT0004457 · 108 served
HEADWATERS PICNIC AREA
MT0042423 · 50 served
HEADWATERS PICNIC AREA
MT0002423 · 25 served
HEADWATERS REST AREA
MT0005148 · 100 served
HEART BUTTE SCHOOL
083090009 · 250 served
HEART BUTTE SCHOOL
MT0003160 · 240 served
HEART BUTTE WATER SYSTEM
083090005 · 400 served
HEART OF GLACIER CAMPGROUND & CABINS
083090315 · 89 served
HEART OF THE VALLEY ANIMAL SHELTER
MT0004554 · 40 served
HEARTS AND HANDS MONTESSORI
MT0004715 · 42 served
HEBGEN LAKE ESTATES CO WATER SEWER DISTR
MT0001983 · 230 served
HEBGEN LAKE LODGE & MOTEL
MT0001345 · 25 served
HEBGEN LAKE LODGE MOTEL & RV
MT0003019 · 30 served
HEBGEN LAKE RANGER STATION
MT0062311 · 30 served
HELENA FLATS SCHOOL DIST 15
MT0000927 · 200 served
HELENA LEISURE LLC
MT0000590 · 1,200 served
HELENA NORTH KOA
MT0003679 · 50 served
HELENA RV AND MOBILE HOME PARK
MT0000426 · 250 served
HELENA WATER SYSTEM
MT0000241 · 32,091 served
HELENS TAP ROOM
MT0001149 · 100 served
HELL CREEK MARINA
MT0004930 · 50 served
HELL CREEK RECREATION AREA
MT0002450 · 25 served
HELL CREEK RECREATION AREA LLC
MT0042450 · 202 served
HELL ROARING BAR
MT0001175 · 15 served
HELLGATE CAMPGROUND
MT0041445 · 175 served
HELLGATE CG HAND PUMP NO 1
MT0003554 · 25 served
HELLGATE CG HAND PUMP NO 1
MT0002136 · 10,000 served
HELLGATE CG HAND PUMP NO 2
MT0002434 · 25 served
HELLGATE CG HP #2 - THE POINT
MT0042434 · 60 served
HELLGATE CG PRESSURE SYSTEM
MT0001445 · 200 served
HELLGATE ELEMENTARY SCHOOL 02
MT0003702 · 375 served
HELLGATE ELEMENTARY SCHOOL NO 1
MT0000845 · 375 served
HELLGATE ELEMENTARY SCHOOL NO 3
MT0003703 · 375 served
HELLGATE TRADING POST UNAPPROVED
MT0004593 · 485 served
HELLGATE TRAILER COURT
MT0000481 · 100 served
HELLROARING SALOON YAAK
MT0003299 · 25 served
HELMVILLE COMMUNITY CLUB
MT0002391 · 70 served
HELMVILLE SCHOOL
MT0000708 · 40 served
HELMVILLE SCHOOL DISTRICT NO 15
MT0002114 · 0 served
HENRY'S FUEL STOP
MT0000702 · 700 served