Know Your Environment. Protect Your Health.

Dibromochloromethane

Mocksville, 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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.338 ppb82ND - 1.50 ppb
20190.500 ppb42ND - 1.000 ppb
20200.250 ppb81ND - 2.00 ppb
2021ND80ND
20220.125 ppb81ND - 1.000 ppb
20230.167 ppb61ND - 1.000 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 Lab ID Result
2018-02-198579-021918-B02MND
2018-02-198579-021918-B01MND
2018-05-098579-050918-B02MND
2018-05-098579-050918-B01MND
2018-08-078579-080718-B01M1.50 ppb
2018-08-078579-080718-B02MND
2018-11-068579-110618-B01M1.20 ppb
2018-11-068579-110618-B02MND
2019-05-063622-191.000 ppb
2019-05-063623-191.000 ppb
2019-08-124659-19ND
2019-08-124658-19ND
2020-02-03331-20ND
2020-02-03332-20ND
2020-05-041152-20ND
2020-05-041153-20ND
2020-08-032057-202.00 ppb
2020-08-032058-20ND
2020-11-023005-20ND
2020-11-023006-20ND
2021-02-10402-21ND
2021-02-10401-21ND
2021-05-111102-21ND
2021-05-111103-21ND
2021-08-113029-21ND
2021-08-113030-21ND
2021-11-093918-21ND
2021-11-093919-21ND
2022-02-09475-22ND
2022-02-09476-221.000 ppb
2022-05-171334-22ND
2022-05-171333-22ND
2022-08-303447-22ND
2022-08-303448-22ND
2022-11-074149-22ND
2022-11-074150-22ND
2023-05-231582-231.000 ppb
2023-05-231583-23ND
2023-08-092632-23ND
2023-08-092633-23ND
2023-11-084222-23ND
2023-11-084223-23ND