Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Refugio

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND70ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-02-20AE14479ND
2018-06-11AE29233ND
2019-06-10AE69713ND
2019-06-10AE69760ND
2019-08-15AE78928ND
2020-03-12AF02613ND
2020-03-12AF02617ND
2020-03-12AF02619ND
2020-04-15AF06851ND
2020-07-30AF21386ND
2020-07-30AF21425ND
2020-10-28AF32676ND
2021-08-19AF67148ND
2021-08-19AF67184ND
2021-08-19AF67182ND
2021-08-19AF67170ND
2022-04-29AF95106ND
2022-04-29AF95108ND
2022-04-29AF95110ND
2022-07-21AG05762ND
2023-02-16AG29329ND
2023-02-16AG29333ND
2023-06-05AG43007ND
2023-06-05AG43020ND