Know Your Environment. Protect Your Health.

Bromodichloromethane

Lefors Municipal Water System

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.545 ppb21ND - 1.09 ppb
2019ND10ND
2020ND20ND
20210.700 ppb21ND - 1.40 ppb
2022ND10ND
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
2018-07-16Q18279790041.09 ppb
2018-07-16Q1827979006ND
2019-05-15Q1925441002ND
2020-02-25Q2006918004ND
2020-04-28Q2016467001ND
2021-08-04Q2120425004ND
2021-08-04Q21204250091.40 ppb
2022-05-17Q2214707003ND
2023-07-25Q2329503001ND