Know Your Environment. Protect Your Health.

Bromochloromethane

Harris County Water Control and Improvement District 89

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.00231 ppb521ND - 0.120 ppb
2014ND510ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND20ND
2020ND40ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-01-29AE11016ND
2018-08-06AE35876ND
2019-02-19AE54852ND
2019-02-19AE54888ND
2020-01-22AE94706ND
2020-04-22AF07674ND
2020-07-29AF21142ND
2020-10-22AF31675ND
2021-02-23AF43937ND
2021-04-22AF51136ND
2022-01-31AF82569ND
2022-01-31AF82573ND
2023-03-07Q2309824001ND
2023-04-27AG38464ND