Know Your Environment. Protect Your Health.

Dibromochloromethane

Martin County Fresh Water Supply District 1

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20191.02 ppb21ND - 2.04 ppb
2020ND10ND
2021ND10ND
20222.61 ppb21ND - 5.22 ppb
2023ND10ND

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
2018-01-23Q1802491003ND
2019-01-15Q1901929001ND
2019-08-19Q19564070022.04 ppb
2020-01-15Q2001610001ND
2021-01-13Q2100944001ND
2022-02-10Q2205087006ND
2022-05-09Q22138360035.22 ppb
2023-01-10Q2301248001ND