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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

City of Fremont

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.

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53

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND140ND
2015ND130ND
2016ND70ND
2017ND30ND
2018ND30ND
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-09-16745361-9786ND
2013-09-16745236-9726ND
2013-09-16745306-9786ND
2013-09-16745300-9726ND
2013-09-16745238-9726ND
2014-03-05773395-10870ND
2014-03-05773391-10870ND
2014-03-05773397-10870ND
2014-03-05773393-10870ND
2014-03-05773399-10870ND
2014-05-05294530ND
2014-09-15324195ND
2014-09-15324196ND
2014-09-15324197ND
2014-09-15324198ND
2014-10-27332949ND
2014-10-27332950ND
2014-10-27332951ND
2014-10-27332952ND
2015-03-04348743ND
2015-03-04348740ND
2015-03-04348741ND
2015-03-04348742ND
2015-04-29353685ND
2015-06-08364979ND
2015-06-08364980ND
2015-06-08364981ND
2015-06-08364982ND
2015-09-09378766ND
2015-09-09378767ND
2015-09-09378768ND
2015-09-09378769ND
2016-05-04ND
2016-06-01ND
2016-06-01ND
2016-09-14ND
2016-09-14ND
2016-09-14ND
2016-09-26ND
2017-04-26ND
2017-09-12ND
2017-09-12ND
2018-06-11542840ND
2018-09-17571932ND
2018-09-17571933ND
2019-04-29604841ND
2019-04-29604842ND
2019-07-29621293ND
2019-08-19619939ND
2019-09-03630420ND
2019-09-03630421ND
2019-12-04638582ND
2019-12-04619940ND