Know Your Environment. Protect Your Health.

Bromodichloromethane

Gove, City of

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.10 ppb440.500 ppb - 6.00 ppb
20191.60 ppb31ND - 4.80 ppb
20200.144 ppb51ND - 0.720 ppb
20211.88 ppb42ND - 6.40 ppb
20220.400 ppb31ND - 1.20 ppb
2023ND10ND

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
2018-03-209378170.500 ppb
2018-06-209912305.20 ppb
2018-09-2610503896.00 ppb
2018-12-1910935680.700 ppb
2019-03-251138395ND
2019-07-171206048ND
2019-09-2512480904.80 ppb
2020-01-081304873ND
2020-03-2513464290.720 ppb
2020-06-241414912ND
2020-09-231518310ND
2020-12-151712173ND
2021-04-071813780ND
2021-06-2318672621.10 ppb
2021-09-221966507ND
2021-12-1520759306.40 ppb
2022-03-282223656ND
2022-06-2722876791.20 ppb
2022-09-212363323ND
2023-10-042587381ND