Know Your Environment. Protect Your Health.

Dibromochloromethane

South Ellis County Water Supply

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
20190.457 ppb31ND - 1.37 ppb
2020ND30ND
20210.483 ppb31ND - 1.45 ppb
2022ND30ND
20230.383 ppb31ND - 1.15 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
2018-01-24Q1802749005ND
2018-01-24Q1802749003ND
2018-09-11Q1835899002ND
2019-08-22Q1958604003ND
2019-08-22Q1958604005ND
2019-08-22Q19586040101.37 ppb
2020-06-23Q2025080001ND
2020-06-23Q2025080003ND
2020-06-23Q2025080009ND
2021-07-29Q21198570131.45 ppb
2021-11-17Q2132254001ND
2021-11-17Q2132254003ND
2022-08-03Q2222244010ND
2022-12-01Q2235925002ND
2022-12-01Q2235925004ND
2023-05-18Q23187710011.15 ppb
2023-05-18Q2318771006ND
2023-11-27Q2350395001ND