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National Drinking Water Database


Dibromomethane in Montana


Dibromomethane is an unregulated byproduct of tap water disinfection and a manufactured chemical used in chemical synthesis and as an ingredient in fire extinguishing fluids.

The Most Polluted Communities in Montana

2 water utilities reported detecting Dibromomethane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Dibromomethane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Hartland Colony
Havre, MT
732 of 20.56 ppb
(0.51 to 0.61 ppb)
2Hilldale Colony
Havre, MT
751 of 60.09 ppb
(0 to 0.53 ppb)

Health Based Limits for Dibromomethane

There are no health based standards that EWG is using for this chemical

Violation Summary for Dibromomethane in Montana

There are no violations reported for this contaminant in Montana