Know Your Environment. Protect Your Health.

Dibromochloromethane

Fcmtc Waterworks

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.175 ppb81ND - 1.40 ppb
20190.413 ppb83ND - 1.10 ppb
2020ND80ND
20210.125 ppb81ND - 1.000 ppb
20220.610 ppb84ND - 1.39 ppb
20230.754 ppb85ND - 1.34 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 Lab ID Result
2018-02-0618040004102ND
2018-02-0618040004002ND
2018-04-3018123001202ND
2018-04-3018123001102ND
2018-08-08182210056021.40 ppb
2018-08-0818221005702ND
2018-10-2918305008102ND
2018-10-2918305008002ND
2019-01-28190310029021.10 ppb
2019-01-28190310030021.10 ppb
2019-04-2219115000802ND
2019-04-2219115000702ND
2019-07-2219206005202ND
2019-07-2219206005102ND
2019-10-2119297001802ND
2019-10-21192970017021.10 ppb
2020-01-2720030000602ND
2020-01-2720030000502ND
2020-04-2920121002802ND
2020-04-2920121002902ND
2020-07-2820212012502ND
2020-07-2820212012602ND
2020-10-2820303003202ND
2020-10-2820303003302ND
2021-01-2621028002602ND
2021-01-2621028002502ND
2021-04-2821119003002ND
2021-04-2821119002902ND
2021-07-2721210001502ND
2021-07-2721210001602ND
2021-10-2521301002002ND
2021-10-25213010045021.000 ppb
2022-01-2422027003202ND
2022-01-2422027003302ND
2022-04-25O197302-THM-1ND
2022-04-25O197303-THM-1ND
2022-07-25O200156-THM-11.39 ppb
2022-07-25O200157-THM-11.32 ppb
2022-10-24O203082-THM-11.12 ppb
2022-10-24O203083-THM-11.05 ppb
2023-01-31O205529-THM-11.16 ppb
2023-01-31O205528-THM-11.34 ppb
2023-04-24O208261-THM-1ND
2023-04-24O208262-THM-1ND
2023-07-24O210959-THM-1ND
2023-07-24O210958-THM-11.17 ppb
2023-10-23O213245-THM-11.12 ppb
2023-10-23O213244-THM-11.24 ppb