Know Your Environment. Protect Your Health.

Bromodichloromethane

Bethany Special Utility District

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

39

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.30 ppb74ND - 9.56 ppb
20190.220 ppb71ND - 1.54 ppb
20201.74 ppb74ND - 7.66 ppb
20214.74 ppb64ND - 18.8 ppb
20226.20 ppb64ND - 17.0 ppb
20236.68 ppb64ND - 25.9 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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
2018-03-06Q1809125004ND
2018-03-06Q1809125001ND
2018-03-06Q18091250151.23 ppb
2018-03-06Q1809125005ND
2018-03-06Q18091250141.01 ppb
2018-05-15Q18196480014.28 ppb
2018-05-15Q18196480029.56 ppb
2019-02-07Q1905767006ND
2019-02-07Q1905767012ND
2019-02-07Q1905767015ND
2019-02-07Q19057670171.54 ppb
2019-08-12Q1953427001ND
2019-08-12Q1953427002ND
2019-12-10Q1979572001ND
2020-05-20Q20201000017.66 ppb
2020-05-20Q20201000021.56 ppb
2020-08-05Q20309020071.92 ppb
2020-08-05Q20309020091.03 ppb
2020-08-05Q2030902011ND
2020-10-14Q2040367005ND
2020-10-14Q2040367007ND
2021-06-24Q21165910064.19 ppb
2021-06-24Q211659100718.8 ppb
2021-06-24Q2116591012ND
2021-06-24Q21165910143.23 ppb
2021-06-24Q2116591016ND
2021-06-24Q21165910182.22 ppb
2022-05-16Q22144550022.79 ppb
2022-05-16Q221445500317.0 ppb
2022-10-19Q2231823001ND
2022-10-19Q223182300716.1 ppb
2022-10-19Q2231823005ND
2022-10-19Q22318230031.29 ppb
2023-09-07Q233856600225.9 ppb
2023-09-27Q23416220011.48 ppb
2023-11-06Q23474500071.68 ppb
2023-11-06Q2347450009ND
2023-11-06Q234745001111.0 ppb
2023-11-06Q2347450022ND