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National Drinking Water Database


Dibromomethane in Wisconsin


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 Wisconsin

12 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)
1Brownsville Waterworks
Brownsville, WI
5611 of 12.1 ppb
(2.1 ppb)
2Greenleaf Waterworks
Greenleaf, WI
6501 of 10.25 ppb
(0.25 ppb)
3Forest Junction Pub Util
Forest Junction, WI
3202 of 40.2 ppb
(0 to 0.46 ppb)
4Chilton Waterworks
Chilton, WI
3,7641 of 10.19 ppb
(0.19 ppb)
5Granton Waterworks
Granton, WI
3851 of 10.17 ppb
(0.17 ppb)
6Mount Calvary Waterworks
Mount Calvary, WI
5581 of 20.12 ppb
(0 to 0.23 ppb)
7Thorp Waterworks
Thorp, WI
1,5651 of 20.08 ppb
(0 to 0.16 ppb)
8Watertown Waterworks
Watertown, WI
23,1661 of 70.05 ppb
(0 to 0.35 ppb)
9Fond DU Lac Waterworks
Fond Du Lac, WI
42,0001 of 60.03 ppb
(0 to 0.16 ppb)
10LA Crosse Waterworks
La Crosse, WI
53,0001 of 200.02 ppb
(0 to 0.37 ppb)

Health Based Limits for Dibromomethane

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

Violation Summary for Dibromomethane in Wisconsin

There are no violations reported for this contaminant in Wisconsin