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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Horizon Regional MUD

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND40ND
2016ND20ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-18Q1421908008ND
2015-01-20Q1501551006ND
2015-01-20Q1501551008ND
2015-06-17Q1522519001ND
2015-12-14Q1549537001ND
2016-01-26Q1603300009ND
2016-01-26Q1603300006ND
2017-01-12Q1701683007ND
2018-03-09Q1809892001ND
2019-02-07Q1905869004ND