Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Bromochloromethane

City of San Juan Capistrano

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
20150.0136 ppb112ND - 0.0880 ppb
2016ND10ND
2017ND10ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-239590-010-1508ND
2015-02-09201502090611AMND
2015-02-09201502090610AMND
2015-02-109590-010-1111ND
2015-05-199590-010-0808ND
2015-05-27201505280160AMND
2015-05-28201505280162AMND
2015-08-12201508120617AMND
2015-08-12201508120619AMND
2015-08-249590-010-0911ND
2015-11-11201511110623AM0.0880 ppb
2015-11-11201511110602AM0.0620 ppb
2016-02-299590-010-0809ND
2017-02-089590-010-0815ND
2018-06-139590-010-1322ND