Know Your Environment. Protect Your Health.

Dibromochloromethane

Delta County Municipal Utility District

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.275 ppb41ND - 1.10 ppb
2019ND40ND
2020ND70ND
2021ND80ND
20220.468 ppb83ND - 1.38 ppb
2023ND80ND

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
2018-02-14Q18062350021.10 ppb
2018-05-24Q1820901002ND
2018-08-09Q1831966002ND
2018-11-06Q1844314002ND
2019-02-28Q1908774002ND
2019-05-20Q1926758002ND
2019-09-13Q1964927002ND
2019-12-02Q1978463005ND
2020-03-30Q2012913002ND
2020-05-28Q2021185004ND
2020-05-28Q2021185005ND
2020-09-23Q2037708001ND
2020-09-23Q2037708002ND
2020-11-23Q2046618001ND
2020-11-23Q2046618002ND
2021-02-08Q2103698001ND
2021-02-08Q2103698002ND
2021-05-06Q2111769001ND
2021-05-06Q2111769002ND
2021-09-20Q2125613001ND
2021-09-20Q2125613002ND
2021-11-10Q2131574001ND
2021-11-10Q2131574002ND
2022-02-10Q2204938004ND
2022-02-10Q2204938005ND
2022-05-18Q2214727001ND
2022-05-18Q2214727002ND
2022-09-23Q22287330011.38 ppb
2022-09-23Q22287330021.13 ppb
2022-12-05Q22360380011.23 ppb
2022-12-05Q2236038002ND
2023-03-15Q2310227004ND
2023-03-15Q2310227005ND
2023-05-30Q2319962001ND
2023-05-30Q2319962002ND
2023-09-25Q2341198001ND
2023-09-25Q2341198002ND
2023-11-28Q2350587001ND
2023-11-28Q2350587002ND