Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Bromodichloromethane

City of Lexington

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013ND40ND
2014ND10ND
2015ND40ND
2016ND40ND
2017ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-05153194ND
2012-03-05153190ND
2012-03-05153191ND
2012-03-05153193ND
2012-09-10186524ND
2012-09-10186523ND
2013-03-04215265ND
2013-03-04215263ND
2013-03-04215264ND
2013-03-04215262ND
2014-11-17328698ND
2015-02-17343423ND
2015-02-17343424ND
2015-03-09345991ND
2015-03-09345992ND
2016-03-07ND
2016-03-07ND
2016-03-07ND
2016-03-07ND
2017-10-24ND
2017-10-24ND