Know Your Environment. Protect Your Health.

Bromochloromethane

Hollands Quarter Water Supply Corporation

NOTE: Hollands Quarter Water Supply Corporation purchases water from City of Carthage which is required to test for bromochloromethane. Sample information shown below was taken by City of Carthage.

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
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: Hollands Quarter Water Supply Corporation purchases water from City of Carthage which is required to test for bromochloromethane. Sample information shown below was taken by City of Carthage.

Date Lab ID Result
2018-08-23Q1833940002ND
2019-08-26Q1959262001ND
2020-09-22Q2037528001ND
2021-08-04Q2120439001ND
2022-08-22Q2224781001ND
2023-07-18Q2327981001ND