Know Your Environment. Protect Your Health.

Dibromochloromethane

Forest Water Supply Corporation

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

44

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.929 ppb97ND - 1.53 ppb
20190.869 ppb96ND - 1.53 ppb
20201.32 ppb98ND - 1.95 ppb
20211.23 ppb98ND - 1.66 ppb
20220.928 ppb96ND - 1.78 ppb
20231.54 ppb991.33 ppb - 1.95 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
2018-02-22Q18076360021.53 ppb
2018-02-22Q18076360011.36 ppb
2018-05-29Q18213040021.01 ppb
2018-05-29Q18213040011.02 ppb
2018-08-16Q1832970002ND
2018-08-16Q18329700051.14 ppb
2018-08-16Q18329700091.24 ppb
2018-10-30Q1843882001ND
2018-10-30Q18438820021.06 ppb
2019-03-20Q19117220041.38 ppb
2019-03-20Q1911722005ND
2019-03-20Q19117220081.30 ppb
2019-05-20Q1927028001ND
2019-05-20Q1927028002ND
2019-09-19Q19680270021.53 ppb
2019-09-19Q19680270011.47 ppb
2019-12-04Q19791950011.10 ppb
2019-12-04Q19791950021.04 ppb
2020-03-23Q20121560011.20 ppb
2020-03-23Q20121560021.28 ppb
2020-05-27Q20211880011.52 ppb
2020-05-27Q20211880021.21 ppb
2020-08-05Q20312270011.47 ppb
2020-08-05Q20312270021.32 ppb
2020-10-22Q20411990021.95 ppb
2020-10-22Q20411990031.91 ppb
2020-10-22Q2041199004ND
2021-03-11Q21064670011.37 ppb
2021-03-11Q21064670021.39 ppb
2021-05-11Q21120910011.33 ppb
2021-05-11Q21120910021.20 ppb
2021-08-09Q21209530011.38 ppb
2021-08-09Q21209530021.22 ppb
2021-10-14Q2128848003ND
2021-10-14Q21288480071.66 ppb
2021-10-14Q21288480081.49 ppb
2022-03-15Q2208725004ND
2022-03-15Q22087250071.10 ppb
2022-03-15Q22087250081.13 ppb
2022-05-16Q22144390011.78 ppb
2022-05-16Q22144390021.43 ppb
2022-08-04Q22223500011.52 ppb
2022-08-04Q22223500021.39 ppb
2022-10-10Q2230471001ND
2022-10-10Q2230471002ND
2023-01-10Q23012190011.38 ppb
2023-01-10Q23012190021.36 ppb
2023-04-20Q23148820031.33 ppb
2023-04-20Q23148820061.69 ppb
2023-04-20Q23148820071.71 ppb
2023-07-10Q23265460011.57 ppb
2023-07-10Q23265460021.95 ppb
2023-10-24Q23457470011.37 ppb
2023-10-24Q23457470021.46 ppb