Know Your Environment. Protect Your Health.

Bromochloromethane

Mallory Valley Utility Distric

NOTE: Mallory Valley Utility Distric purchases water from Harpeth Valley Utility District which is required to test for bromochloromethane. Sample information shown below was taken by Harpeth Valley Utility District.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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

NOTE: Mallory Valley Utility Distric purchases water from Harpeth Valley Utility District which is required to test for bromochloromethane. Sample information shown below was taken by Harpeth Valley Utility District.

Date Result
2014-05-15ND
2014-08-14ND
2014-11-17ND
2015-02-11ND