Montana Water Quality Reports
Comprehensive water quality data for 32 cities across Montana. View EPA-verified contaminant levels and get filter recommendations.
32
Cities
8
Safe
2
Monitor
22
At Risk
Cities in Montana
Billings
People Served114K
Contaminants Tested167
Above Guidelines4
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Missoula
People Served68K
Contaminants Tested163
Above Guidelines4
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Black Eagle
People Served60K
Contaminants Tested165
Above Guidelines4
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Malmstrom AFB
People Served60K
Contaminants Tested165
Above Guidelines4
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Kalispell
People Served20K
Contaminants Tested20
Above Guidelines5
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Belgrade
People Served10K
Contaminants Tested20
Above Guidelines5
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Whitefish
People Served10K
Contaminants Tested20
Above Guidelines8
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Bozeman
People Served4K
Contaminants Tested143
Above Guidelines6
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Glasgow
People Served3K
Contaminants Tested20
Above Guidelines9
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Lame Deer
People Served3K
Contaminants Tested0
Above Guidelines0
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Poplar
People Served3K
Contaminants Tested0
Above Guidelines0
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Wolf Point
People Served3K
Contaminants Tested0
Above Guidelines0
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Deer Lodge
People Served3K
Contaminants Tested20
Above Guidelines8
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Lolo
People Served3K
Contaminants Tested20
Above Guidelines6
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Conrad
People Served3K
Contaminants Tested20
Above Guidelines5
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Ronan
People Served2K
Contaminants Tested20
Above Guidelines9
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Colstrip
People Served2K
Contaminants Tested20
Above Guidelines9
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Forsyth
People Served2K
Contaminants Tested20
Above Guidelines8
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King Arthur Park
People Served2K
Contaminants Tested132
Above Guidelines1
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East Helena
People Served2K
Contaminants Tested20
Above Guidelines9
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Troy
People Served2K
Contaminants Tested20
Above Guidelines0
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Pablo
People Served2K
Contaminants Tested20
Above Guidelines2
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Red Lodge
People Served2K
Contaminants Tested20
Above Guidelines8
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Townsend
People Served2K
Contaminants Tested20
Above Guidelines4
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Eureka
People Served2K
Contaminants Tested20
Above Guidelines4
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Stevensville
People Served2K
Contaminants Tested20
Above Guidelines8
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Thompson Falls
People Served2K
Contaminants Tested20
Above Guidelines0
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Great Falls
People Served1K
Contaminants Tested139
Above Guidelines0
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Box Elder
People Served0K
Contaminants Tested0
Above Guidelines0
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Culbertson
People Served0K
Contaminants Tested20
Above Guidelines8
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Hardin
People Served0K
Contaminants Tested20
Above Guidelines0
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Harlem
People Served0K
Contaminants Tested20
Above Guidelines10
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