Know Your Environment. Protect Your Health.

Dibromochloromethane

Pine Trail Shores

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.525 ppb21ND - 1.05 ppb
2020ND20ND
2021ND20ND
20220.555 ppb21ND - 1.11 ppb
2023ND30ND

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
2018-09-13Q1836487001ND
2018-09-13Q1836487008ND
2019-03-20Q1911658001ND
2019-06-04Q19312610011.05 ppb
2020-03-18Q2012013001ND
2020-06-04Q2022349001ND
2021-05-26Q2113680003ND
2021-05-26Q2113680008ND
2022-08-25Q22253760011.11 ppb
2022-10-21Q2232014001ND
2023-03-14Q2310022001ND
2023-04-27Q2315892001ND
2023-07-27Q2330256001ND