Know Your Environment. Protect Your Health.

Dibromochloromethane

Harris County Municipal Utility District 211

NOTE: Harris County Municipal Utility District 211 purchases water from Harris County Municipal Utility District 233 which is required to test for dibromochloromethane. Sample information shown below was taken by Harris County Municipal Utility District 233.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND20ND
2022ND10ND
2023ND20ND

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

NOTE: Harris County Municipal Utility District 211 purchases water from Harris County Municipal Utility District 233 which is required to test for dibromochloromethane. Sample information shown below was taken by Harris County Municipal Utility District 233.

Date Lab ID Result
2018-10-02AE42364ND
2019-07-31AE76573ND
2019-07-31AE76633ND
2020-03-12AF02645ND
2020-05-26AF12618ND
2020-09-22AF28062ND
2021-06-07AF56652ND
2021-06-07AF56694ND
2022-04-06AF92251ND
2022-05-19AF97698ND
2023-02-14AG28875ND
2023-05-23AG41621ND