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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

St. Joseph

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-22103732PND
2014-02-05LLF08728ND
2014-04-23106573QND
2014-07-23107803PND
2014-10-21109426QND
2018-04-09LLH74726ND
2019-05-13LLI37721ND