Know Your Environment. Protect Your Health.

Dibromochloromethane

Tennyson Water Utility

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
20210.163 ppb82ND - 0.700 ppb
20220.280 ppb94ND - 0.800 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
2021-02-084831383ND
2021-02-084831385ND
2021-05-034892880ND
2021-05-034892882ND
2021-08-0249727740.600 ppb
2021-08-0349727750.700 ppb
2021-11-151-810-7698-2ND
2021-11-151-810-7698-1ND
2022-02-021-810-14034-1ND
2022-02-171-810-15442-2ND
2022-02-171-810-15442-1ND
2022-05-251-810-26027-10.510 ppb
2022-05-251-810-26027-20.530 ppb
2022-08-031-810-32688-2_IN0.800 ppb
2022-08-031-810-32688-1_IN0.680 ppb
2022-11-091-810-44170-2_INND
2022-11-091-810-44170-1_INND
2023-02-071-810-52603-1_INND
2023-02-071-810-52603-2_INND
2023-05-101-810-62931-1_INND
2023-05-101-810-62931-2_INND
2023-08-081-810-73127-1_INND
2023-08-081-810-73127-2_INND
2023-11-201-810-85926-1_INND
2023-11-201-810-85926-2_INND