Know Your Environment. Protect Your Health.

Bromochloromethane

Norwich Public Utilities

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND30ND

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 Lab ID Result
2014-06-17200398126ND
2014-06-17200398127ND
2014-06-17200398125ND
2014-09-11200404220ND
2014-09-11200404222ND
2014-12-11200409477ND
2014-12-11200409479ND
2014-12-11200409481ND
2015-03-10200413493ND
2015-03-10200413492ND
2023-11-14D3K1545-01VOCND
2023-11-14D3K1545-02VOCND
2023-11-14D3K1545-03VOCND