Know Your Environment. Protect Your Health.

Bromodichloromethane

Westview Enterprises

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.15 ppb111.15 ppb
20190.765 ppb21ND - 1.53 ppb
2020ND10ND
20211.06 ppb111.06 ppb
2022ND20ND
20231.02 ppb111.02 ppb

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
2018-11-15Q18468360011.15 ppb
2019-08-13Q1954015002ND
2019-08-13Q19540150081.53 ppb
2020-10-26Q2041400001ND
2021-08-12Q21216510011.06 ppb
2022-09-26Q2228956001ND
2022-10-31Q2233058004ND
2023-12-06Q23521780011.02 ppb