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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

City of Sunnyvale

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.

MORE ABOUT THIS CONTAMINANT

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND180ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-05A4A1602-17AND
2014-02-05A4A1602-01AND
2014-02-05A4A1602-05AND
2014-02-05A4A1602-29AND
2014-02-05A4A1602-25AND
2014-02-05A4A1602-21AND
2014-05-14A4D2337-01AND
2014-05-14A4D2337-06AND
2014-08-13A4G2523-26AND
2014-08-13A4G2523-16AND
2014-08-13A4G2523-21AND
2014-08-13A4G2523-06AND
2014-08-13A4G2523-11AND
2014-08-13A4G2523-01AND
2014-08-13A4G2524-06AND
2014-08-13A4G2524-01AND
2014-11-12A4J1615-06AND
2014-11-12A4J1615-01AND
2015-02-115810-003-1046ND
2015-02-115810-012-1205ND
2015-02-115810-010-1140ND
2015-02-115810-007-0945ND
2015-02-115810-004-1105ND
2015-10-285810-008-1002ND
2018-03-145810-012-1027ND
2018-03-145810-010-0935ND
2018-03-145810-008-0810ND
2018-03-145810-007-0905ND
2018-03-145810-004-1115ND
2018-03-145810-003-1050ND