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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

East Rio Hondo WSC

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
2014ND20ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND30ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-09-30Q1308427009ND
2013-09-30Q1308427005ND
2013-09-30Q1308427001ND
2013-12-19Q1319042001ND
2014-06-24Q1423172001ND
2014-09-09AC66293ND
2015-09-23AD08313ND
2016-09-27AD51521ND
2017-09-07AD95168ND
2018-08-28AE38704ND
2018-09-25AE41524ND
2018-11-29AE47404ND
2019-01-10AE49353ND
2019-06-06AE69479ND