Know Your Environment. Protect Your Health.

Bromochloromethane

City of Alvarado

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
2013N/A00N/A
20140.0324 ppb338ND - 0.307 ppb
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND40ND
2020ND40ND
2021ND120ND
2022ND100ND
2023ND90ND

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
2018-03-13Q1810144001ND
2018-03-13Q1810144004ND
2018-03-13Q1810144005ND
2018-12-14Q1851816004ND
2019-03-25Q1912075004ND
2019-03-25Q1912075006ND
2019-03-25Q1912075007ND
2019-03-25Q1912075011ND
2020-06-30Q2025912012ND
2020-06-30Q2025912014ND
2020-06-30Q2025912016ND
2020-06-30Q2025912018ND