Know Your Environment. Protect Your Health.

Dibromochloromethane

Nocona Hills Water Supply Corporation

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.61 ppb32ND - 2.47 ppb
20190.743 ppb31ND - 2.23 ppb
20201.18 ppb32ND - 1.79 ppb
2021ND30ND
20220.403 ppb31ND - 1.21 ppb
2023ND40ND

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
2018-09-26Q18385220012.47 ppb
2018-12-10Q18508170012.37 ppb
2018-12-10Q1850817004ND
2019-02-20Q1907488002ND
2019-02-20Q19074880072.23 ppb
2019-09-24Q1968049001ND
2020-09-21Q20374780011.74 ppb
2020-09-21Q2037478003ND
2020-09-21Q20374780091.79 ppb
2021-06-21Q2116016005ND
2021-06-21Q2116016014ND
2021-06-21Q2116016007ND
2022-05-10Q2213917001ND
2022-05-10Q2213917003ND
2022-05-10Q22139170111.21 ppb
2023-07-05Q2326100005ND
2023-07-05Q2326100006ND
2023-07-05Q2326100008ND
2023-10-03Q2342315001ND