Know Your Environment. Protect Your Health.

Bromodichloromethane

Glenwood Water 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND250ND
2019ND220ND
20200.455 ppb21ND - 0.910 ppb
20211.12 ppb220.530 ppb - 1.70 ppb
20220.420 ppb21ND - 0.840 ppb
20230.600 ppb21ND - 1.20 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
2020-08-2470143096001ND
2020-08-24701431010010.910 ppb
2021-08-23701849530011.70 ppb
2021-08-23701849560010.530 ppb
2022-08-2270226726001ND
2022-08-22702267250010.840 ppb
2023-08-2170267723001ND
2023-08-21702677240011.20 ppb