Know Your Environment. Protect Your Health.

Bromochloromethane

Redhill Water Association

NOTE: Redhill Water Association purchases water from Alma Waterworks which is required to test for bromochloromethane. Sample information shown below was taken by Alma Waterworks.

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND40ND
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: Redhill Water Association purchases water from Alma Waterworks which is required to test for bromochloromethane. Sample information shown below was taken by Alma Waterworks.

Date Lab ID Result
2018-01-0118004012709ND
2019-02-0519038001501ND
2020-01-0720009017401ND
2020-04-1320107011508ND
2020-07-0820191012409ND
2020-11-0220310000709ND
2021-01-1921021001907ND
2021-04-0621098014201ND
2022-04-04O196531-VOC-1ND