Know Your Environment. Protect Your Health.

Bromochloromethane

City of Shavano Park

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-03-02AE16674ND
2018-03-02AE16676ND
2018-03-02AE16700ND
2018-03-02AE16668ND
2019-04-03AE61029ND
2019-04-03AE61035ND
2019-04-03AE61039ND
2019-04-03AE61047ND
2020-02-24AE99519ND
2020-02-24AE99539ND
2020-02-24AE99541ND
2020-05-15AF11875ND
2021-02-23AF43941ND
2021-02-23AF43945ND
2021-02-23AF43943ND
2021-06-18AF58893ND
2022-03-09AF88394ND
2022-03-09AF88406ND
2022-03-09AF88408ND
2022-03-09AF88412ND
2023-06-22AG45585ND
2023-06-22AG45593ND
2023-06-22AG45601ND
2023-06-22AG45603ND