Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Bromochloromethane

Watertown City

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND50ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-081213036-002 POCSND
2013-09-111315063-001POCND
2014-02-05769346-10694ND
2014-05-07784713-11342ND
2014-07-141410416-001ND
2014-08-06808931-12027ND
2014-11-17831973-12883ND
2015-07-081510177-003POCND
2016-07-061610587-001ND
2017-07-051710146-001ND