Know Your Environment. Protect Your Health.

Bromochloromethane

Littleton Water Department

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND70ND
2019ND70ND
2020ND70ND
2021ND90ND
2022ND90ND
2023ND110ND

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 bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.

ppb = parts per billion

All test results

Date Result
2018-04-11ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-07ND
2018-05-07ND
2018-06-19ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-30ND
2019-06-05ND
2019-06-17ND
2020-05-14ND
2020-05-14ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-06-16ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-12ND
2021-06-09ND
2021-07-26ND
2021-10-21ND
2022-02-16ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2023-05-25ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-07-20ND
2023-10-04ND