Know Your Environment. Protect Your Health.

Bromochloromethane

Hillcrest Water District

NOTE: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for bromochloromethane. Sample information shown below was taken by Leicester Water Supply District.

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.

 

20

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
2023ND10ND

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: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for bromochloromethane. Sample information shown below was taken by Leicester Water Supply District.

Date Result
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2020-06-24ND
2020-06-24ND
2020-06-24ND
2020-06-24ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2022-05-12ND
2022-05-12ND
2022-05-12ND
2022-05-12ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND