Know Your Environment. Protect Your Health.

Bromochloromethane

Westwood Shores Municipal Utility District

NOTE: Westwood Shores Municipal Utility District purchases water from Trinity Rural Water Supply Corporation 1 which is required to test for bromochloromethane. Sample information shown below was taken by Trinity Rural Water Supply Corporation 1.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
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

NOTE: Westwood Shores Municipal Utility District purchases water from Trinity Rural Water Supply Corporation 1 which is required to test for bromochloromethane. Sample information shown below was taken by Trinity Rural Water Supply Corporation 1.

Date Lab ID Result
2018-02-14Q1806541002ND
2019-03-14Q1910847006ND
2020-11-03Q2042584001ND
2021-02-11Q2104195003ND
2022-03-02Q2207194004ND
2023-02-08Q2304961007ND