Know Your Environment. Protect Your Health.

Bromodichloromethane

Mills Road Municipal Utility District

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
20191.47 ppb31ND - 4.40 ppb
20202.30 ppb331.70 ppb - 2.80 ppb
20217.73 ppb331.70 ppb - 18.0 ppb
20223.63 ppb32ND - 6.60 ppb
20233.40 ppb332.20 ppb - 4.90 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
2018-09-13AE40046ND
2018-09-13AE40056ND
2018-09-13AE39990ND
2019-09-12AE83166ND
2019-09-12AE832764.40 ppb
2019-09-12AE83286ND
2020-04-29AF087252.40 ppb
2020-08-04AF217902.80 ppb
2020-08-04AF218501.70 ppb
2021-08-11AF658593.50 ppb
2021-08-11AF6588518.0 ppb
2021-08-11AF658711.70 ppb
2022-02-14AF84618ND
2022-02-14AF846246.60 ppb
2022-05-19AF976924.30 ppb
2023-08-24AG539574.90 ppb
2023-10-05AG586153.10 ppb
2023-10-05AG586192.20 ppb