Know Your Environment. Protect Your Health.

Bromodichloromethane

Riverwood Forest

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
20220.750 ppb21ND - 1.50 ppb
20234.15 ppb21ND - 8.30 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
2018-07-12AE33104ND
2018-07-12AE33139ND
2019-09-25AE84591ND
2019-11-20AE89968ND
2020-05-20AF12088ND
2020-05-20AF12143ND
2021-07-01AF60340ND
2021-07-01AF60392ND
2022-02-09AF84008ND
2022-06-01AF989951.50 ppb
2023-08-15AG525818.30 ppb
2023-08-15AG52645ND