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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Nas North Island & Nab Coronado

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015ND110ND
2016ND120ND
2017ND90ND
2018ND160ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result