Know Your Environment. Protect Your Health.

Dibromochloromethane

Carbondale, Town of

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

31

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.10 ppb54ND - 2.30 ppb
20190.868 ppb54ND - 1.50 ppb
20200.550 ppb52ND - 1.90 ppb
20210.994 ppb54ND - 1.70 ppb
20220.983 ppb64ND - 1.60 ppb
20230.930 ppb54ND - 1.90 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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 Result
2018-09-181.10 ppb
2018-09-181.10 ppb
2018-10-172.30 ppb
2018-10-170.980 ppb
2018-10-17ND
2019-03-12ND
2019-03-120.980 ppb
2019-03-121.50 ppb
2019-09-101.10 ppb
2019-09-100.760 ppb
2020-03-10ND
2020-03-10ND
2020-03-10ND
2020-09-020.850 ppb
2020-09-021.90 ppb
2021-03-30ND
2021-03-300.970 ppb
2021-03-301.30 ppb
2021-09-211.000 ppb
2021-09-211.70 ppb
2022-07-18ND
2022-07-251.30 ppb
2022-07-251.40 ppb
2022-09-201.60 ppb
2022-09-201.60 ppb
2022-12-19ND
2023-09-190.890 ppb
2023-09-191.90 ppb
2023-10-030.860 ppb
2023-10-031.000 ppb
2023-10-03ND