Know Your Environment. Protect Your Health.

Bromodichloromethane

Lake Riverside Subdivision

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
20201.30 ppb111.30 ppb
20211.80 ppb111.80 ppb
202210.8 ppb42ND - 24.0 ppb
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 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
2018-07-09AJ93294ND
2019-06-25AK20892ND
2019-10-23AK35588ND
2019-10-23AK35589ND
2020-07-08AK502041.30 ppb
2021-07-27AK813721.80 ppb
2022-08-17AL10210ND
2022-09-14AL14381ND
2022-09-14AL1438224.0 ppb
2022-10-11AL1822119.0 ppb
2023-07-11AL36158ND