Know Your Environment. Protect Your Health.

Bromodichloromethane

Deer Run Mc

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.550 ppb110.550 ppb
2019ND10ND
20200.547 ppb31ND - 1.64 ppb
20210.910 ppb110.910 ppb
20220.610 ppb21ND - 1.22 ppb
20230.445 ppb21ND - 0.890 ppb

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
2018-07-2343416-020.550 ppb
2019-08-0619080912ND
2020-05-1220051290ND
2020-05-1220051293ND
2020-07-06200710281.64 ppb
2021-09-23210933550.910 ppb
2022-06-1522062222ND
2022-07-11220717811.22 ppb
2023-03-2823033655ND
2023-07-10230717390.890 ppb