Know Your Environment. Protect Your Health.

Bromochloromethane

Patton Village West Water System

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND70ND
2021ND30ND
2022ND60ND
2023ND70ND

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
2018-09-19AE40721ND
2019-12-02AE90828ND
2020-07-30AF21391ND
2020-07-30AF21395ND
2020-07-30AF21433ND
2020-07-30AF21435ND
2020-10-05AF29481ND
2020-10-05AF29483ND
2020-10-05AF29485ND
2021-01-12AF38828ND
2021-01-12AF38834ND
2021-05-07AF52999ND
2022-06-06AF99677ND
2022-06-06AF99679ND
2022-08-10AG08612ND
2022-08-10AG08614ND
2022-10-18AG17490ND
2022-12-05AG20720ND
2023-01-10AG23727ND
2023-01-10AG23741ND
2023-01-10AG23747ND
2023-04-03AG35153ND
2023-05-10AG40025ND
2023-07-14AG48828ND
2023-10-26AG61269ND