Know Your Environment. Protect Your Health.

Bromodichloromethane

Waialua

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND40ND
2023ND30ND

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 bromodichloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-29201801300813ND
2018-10-03201810050563ND
2018-10-15201810170497ND
2019-01-31201902010245ND
2019-10-04201910080583ND
2019-10-04201910080584ND
2020-03-04ND
2020-10-07ND
2020-10-07ND
2021-02-10ND
2021-10-04ND
2021-10-04ND
2022-09-07ND
2022-10-14ND
2022-10-14ND
2022-10-19ND
2023-04-21ND
2023-10-04ND
2023-10-06ND