Know Your Environment. Protect Your Health.

Dibromochloromethane

Water Authority of Dickson County

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.

 

125

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
20200.186 ppb31ND - 0.557 ppb
20210.131 ppb354ND - 1.32 ppb
20220.0707 ppb463ND - 1.16 ppb
20230.0351 ppb351ND - 1.23 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
2018-03-07ND
2018-03-07ND
2018-03-07ND
2019-04-03ND
2019-04-03ND
2019-04-03ND
2020-02-04ND
2020-02-040.557 ppb
2020-02-05ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-03-03ND
2021-04-07ND
2021-04-07ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-101.32 ppb
2021-08-101.07 ppb
2021-08-10ND
2021-08-101.09 ppb
2021-08-10ND
2021-08-101.09 ppb
2021-08-10ND
2021-08-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-08-101.16 ppb
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-101.03 ppb
2022-08-10ND
2022-08-101.06 ppb
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-04-12ND
2023-04-12ND
2023-04-12ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-08-091.23 ppb
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND