Know Your Environment. Protect Your Health.

Bromodichloromethane

Skyline Terrace Subdivision

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20192.20 ppb331.10 ppb - 4.30 ppb
20200.900 ppb21ND - 1.80 ppb
20210.333 ppb31ND - 1.000 ppb
2022ND30ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-14AE13764ND
2018-02-14AE13780ND
2019-06-04AE690581.10 ppb
2019-06-26AE722851.20 ppb
2019-06-26AE722894.30 ppb
2020-05-06AF095071.80 ppb
2020-05-06AF09509ND
2021-04-28AF515241.000 ppb
2021-06-15AF58090ND
2021-11-03AF75595ND
2022-03-16AF89395ND
2022-03-28AF90722ND
2022-07-25AG05986ND
2023-01-12AG24396ND
2023-01-12AG24398ND