Know Your Environment. Protect Your Health.

Bromodichloromethane

Villages of Bocage- Madisonville

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.158 ppb164ND - 0.960 ppb
2019ND160ND
20200.149 ppb83ND - 0.430 ppb
2021ND80ND
20220.0938 ppb82ND - 0.410 ppb
20231.36 ppb83ND - 10.1 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
2018-02-0235371897001ND
2018-02-02353718970020.960 ppb
2018-02-02353718970020.960 ppb
2018-02-0235371897001ND
2018-05-0335390322002ND
2018-05-0335390322001ND
2018-05-0335390322002ND
2018-05-0335390322001ND
2018-08-0135408273001ND
2018-08-0135408273002ND
2018-08-0135408273001ND
2018-08-0135408273002ND
2018-11-1535432277001ND
2018-11-1535432277001ND
2018-11-15354322770020.300 ppb
2018-11-15354322770020.300 ppb
2019-02-2135450029001ND
2019-02-2135450029002ND
2019-02-2135450029001ND
2019-02-2135450029002ND
2019-05-0835468294001ND
2019-05-0835468294002ND
2019-05-0835468294001ND
2019-05-0835468294002ND
2019-08-0735488454002ND
2019-08-0735488454001ND
2019-08-0735488454001ND
2019-08-0735488454002ND
2019-11-1535512871001ND
2019-11-1535512871002ND
2019-11-1535512871002ND
2019-11-1535512871001ND
2020-02-0735529509002ND
2020-02-0735529509001ND
2020-05-0835548829001ND
2020-05-0835548829002ND
2020-08-1335570704001ND
2020-08-13355707040020.380 ppb
2020-11-06355905200010.380 ppb
2020-11-06355905200020.430 ppb
2021-02-0535610009001ND
2021-02-0535610009002ND
2021-05-0735631657001ND
2021-05-0735631657002ND
2021-08-0635653787001ND
2021-08-0635653787002ND
2021-11-0535676310001ND
2021-11-0535676310002ND
2022-02-1135696585002ND
2022-02-1135696585001ND
2022-05-0635715929002ND
2022-05-0635715929001ND
2022-08-0335737001009ND
2022-08-03357370010100.340 ppb
2022-11-04357581850010.410 ppb
2022-11-0435758185002ND
2023-02-0335776978001ND
2023-02-03357769780020.400 ppb
2023-05-0535797780001ND
2023-05-05357977800020.400 ppb
2023-08-0435818388001ND
2023-08-0435818388002ND
2023-11-0335839347001ND
2023-11-033583934700210.1 ppb