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National Drinking Water Database


Dibromomethane in Iowa


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 Iowa

3 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)
1Brayton Water System
Brayton, IA
1451 of 11.5 ppb
(1.5 ppb)
2Williams Water Supply
Williams, IA
4274 of 40.7 ppb
(0.5 to 0.9 ppb)
3Fort Dodge Water Supply
Fort Dodge, IA
26,3093 of 30.6 ppb
(0.6 ppb)

Health Based Limits for Dibromomethane

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

Violation Summary for Dibromomethane in Iowa

There are no violations reported for this contaminant in Iowa