Know Your Environment. Protect Your Health.

Dibromochloromethane

Gallatin Water Department

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)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.531 ppb110.531 ppb
2019ND10ND
2020N/A00N/A
2021ND330ND
20220.0805 ppb413ND - 1.13 ppb
20230.425 ppb4917ND - 1.45 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
2018-05-160.531 ppb
2019-05-08ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-05ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-08-02ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2021-11-01ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-02-07ND
2022-05-05ND
2022-05-09ND
2022-05-09ND
2022-05-09ND
2022-05-09ND
2022-05-09ND
2022-05-091.13 ppb
2022-05-09ND
2022-05-09ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-08-01ND
2022-11-011.04 ppb
2022-11-011.13 ppb
2022-11-01ND
2022-11-01ND
2022-11-01ND
2022-11-01ND
2022-11-01ND
2022-11-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-02-01ND
2023-05-011.14 ppb
2023-05-011.20 ppb
2023-05-011.35 ppb
2023-05-011.45 ppb
2023-05-011.19 ppb
2023-05-011.04 ppb
2023-05-011.31 ppb
2023-05-011.38 ppb
2023-05-050.670 ppb
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-08-01ND
2023-11-011.34 ppb
2023-11-011.26 ppb
2023-11-011.18 ppb
2023-11-011.21 ppb
2023-11-011.32 ppb
2023-11-011.30 ppb
2023-11-011.21 ppb
2023-11-011.29 ppb