Know Your Environment. Protect Your Health.

Bromochloromethane

Lynnfield Water District (MWRA)

NOTE: Lynnfield Water District (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for bromochloromethane. Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND30ND
2023ND50ND

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: Lynnfield Water District (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for bromochloromethane. Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).

Date Result
2018-10-16ND
2018-10-16ND
2019-10-15ND
2019-10-15ND
2020-10-06ND
2020-10-06ND
2021-10-19ND
2021-10-19ND
2022-10-04ND
2022-10-04ND
2023-10-24ND
2023-10-24ND