Know Your Environment. Protect Your Health.

Dibromochloromethane

Kingston Water System

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.444 ppb21ND - 0.887 ppb
20190.262 ppb21ND - 0.524 ppb
20200.422 ppb21ND - 0.843 ppb
20210.890 ppb21ND - 1.78 ppb
2022ND40ND
20230.705 ppb21ND - 1.41 ppb

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 Result
2018-02-050.887 ppb
2018-02-05ND
2019-02-040.524 ppb
2019-02-04ND
2020-02-10ND
2020-02-100.843 ppb
2021-02-081.78 ppb
2021-02-08ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2023-12-111.41 ppb
2023-12-11ND