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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

California Water Service - Bear Gulch

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-07201305080320AMND
2013-05-07201305080423AMND
2013-08-07201308080274AMND
2013-11-04201311050103AMND
2014-02-03201402040316AMND
2015-02-18201502200425AMND
2015-04-08201504090141AMND
2015-05-11201505120353AMND
2016-02-165701-002-1040ND
2016-02-165701-907-1125ND
2017-02-155701-002-1248ND
2017-02-155701-907-1301ND
2018-02-055701-002-1210ND
2018-02-055701-907-1215ND
2019-02-205701-002-1328ND
2019-02-205701-907-1331ND