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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Alexandria

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014N/A00N/A
2015ND160ND
2016ND90ND
2017ND100ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-06-131032090003ND
2013-12-101062660003ND
2015-01-1415A0527-02ND
2015-01-1415A0530-01ND
2015-01-1415A0529-04ND
2015-01-1415A0529-02ND
2015-01-1415A0527-01ND
2015-01-1415A0527-03ND
2015-01-1415A0529-03ND
2015-01-1415A0527-04ND
2015-06-0915F0683-02ND
2015-06-0915F0688-01ND
2015-06-0915F0686-04ND
2015-06-0915F0686-02ND
2015-06-0915F0683-01ND
2015-06-0915F0683-03ND
2015-06-0915F0686-03ND
2015-06-0915F0683-04ND
2016-02-2316B1261-01ND
2016-11-2816K1115-01ND
2016-11-2816K1121-01ND
2016-11-2816K1118-04ND
2016-11-2816K1118-02ND
2016-11-2816K1115-02ND
2016-11-2816K1115-03ND
2016-11-2816K1118-01ND
2016-11-2816K1118-03ND
2017-09-0517I0174-01ND
2017-09-0517I0174-02ND
2017-09-0517I0175-01ND
2017-09-0517I0175-02ND
2017-09-0517I0175-03ND
2017-09-0517I0175-04ND
2017-09-0517I0180-01ND
2017-09-0517I0180-02ND
2017-09-0517I0180-03ND
2017-09-0517I0180-04ND
2018-05-2918E2383-01ND
2019-10-1519J0985-01ND