Know Your Environment. Protect Your Health.

Dibromochloromethane

Sevierville Water System

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.

 

58

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.654 ppb110.654 ppb
2019ND10ND
2020N/A00N/A
20210.779 ppb178ND - 2.10 ppb
2022ND220ND
20230.283 ppb174ND - 1.43 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
2018-03-130.654 ppb
2019-03-06ND
2021-02-032.10 ppb
2021-02-031.82 ppb
2021-02-031.82 ppb
2021-02-031.93 ppb
2021-03-08ND
2021-05-04ND
2021-05-04ND
2021-05-04ND
2021-05-04ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-11-091.61 ppb
2021-11-091.30 ppb
2021-11-091.34 ppb
2021-11-091.32 ppb
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-03-11ND
2022-03-11ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-08-05ND
2022-08-05ND
2022-08-05ND
2022-08-05ND
2022-12-13ND
2022-12-13ND
2022-12-13ND
2022-12-13ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-03-08ND
2023-05-02ND
2023-05-02ND
2023-05-02ND
2023-05-02ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-11-091.43 ppb
2023-11-091.12 ppb
2023-11-091.16 ppb
2023-11-091.10 ppb