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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BAIR FAMILY MUSEUM
MT0004750 · 83 served
BAIRS MOTEL
MT0001308 · 50 served
BAKER CITY OF
MT0000021 · 1,858 served
BAKERS HOLE CG
MT0062308 · 82 served
BANDIT LLC
MT0001600 · 45 served
BANNACK ST PARK VISITOR CENTER
MT0040973 · 410 served
BANNACK STATE PARK
MT0000973 · 25 served
BANNACK STATE PARK UPPER CG
MT0003826 · 82 served
BAPTIST BIBLE CAMP
MT0001589 · 300 served
BAR N RANCH
MT0004627 · 48 served
BAR N RESTAURANT
MT0004737 · 125 served
BARKELL'S HOT SPRINGS
MT0002784 · 50 served
BARNABY LAKE HOA
MT0003736 · 75 served
BARNES TRAILER COURT
MT0000541 · 25 served
BARNETT WATER USERS SYSTEM
MT0003183 · 70 served
BARNETT WATER USERS SYSTEM #2
MT0003365 · 50 served
BARRETT'S DIVERSION DAM CG
MT0002782 · 25 served
BARRETTS DIV DAM CG-WEST
MT0002859 · 25 served
BARRETTS DIVERSION DAM CG NORTH
MT0002858 · 25 served
BARRETTS DIVERSION DAM CG SOUTH
MT0062859 · 25 served
BARRETTS REST STOP
MT0001948 · 200 served
BARTOLINIS RESTAURANT
MT0003009 · 25 served
BARWELLS HOT SPRINGS
MT0002736 · 25 served
BASIN CAMPGROUND
MT0062235 · 50 served
BASIN CG WELL NO 2
MT0062236 · 50 served
BASIN COUNTY WATER AND SEWER DIST
MT0000014 · 200 served
BASIN STORE & CAFE
MT0002881 · 25 served
BASIN STORE AND CAFE
MT0002920 · 25 served
BATTLE RIDGE CAMPGROUND
MT0062300 · 25 served
BAXTER CREEK NO 2 HOA
MT0003323 · 450 served
BAY CARWASH
MT0003814 · 112 served
BAYERN BREWERY
MT0004273 · 40 served
BAYSIDE RESORT MOTEL
MT0002951 · 25 served
BAYVIEW CENTER
MT0002681 · 116 served
BEACH TRANSPORTATION
MT0003837 · 65 served
BEACON TRAILER COURT HELENA
MT0000596 · 55 served
BEAGLES BAKERY & ESPRESSO
MT0004996 · 25 served
BEAR CANYON CAMPGROUND
MT0001256 · 112 served
BEAR CREEK RESORT
MT0004887 · 29 served
BEAR CREEK VILLAGE BIGFORK
MT0000126 · 100 served
BEAR CUB CAFE
MT0001350 · 50 served
BEAR HARBOR
MT0001014 · 50 served
BEAR TOOTH REC AREA
MT0043465 · 25 served
BEAR'S LAIR
MT0005166 · 107 served
BEARCREEK MUNICIPAL WATER SYS
MT0000063 · 200 served
BEARDSLEY TRAILER COURT
MT0000144 · 20 served
BEARGRASS EMPLOYEE PARK
MT0004781 · 30 served
BEARGRASS LODGING & RV RESORT
MT0001998 · 103 served
BEARMOUTH REST STOP EASTBOUND
MT0001979 · 2,000 served
BEARMOUTH REST STOP WESTBOUND
MT0002673 · 2,000 served