Know Your Environment. Protect Your Health.

Bromodichloromethane

Marianna Waterworks

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND80ND
2020ND80ND
2021ND90ND
20220.490 ppb83ND - 1.60 ppb
20230.451 ppb83ND - 1.36 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
2018-02-2018053001502ND
2018-02-2018053001602ND
2018-05-1418137000702ND
2018-05-1418137000802ND
2018-08-2118235001902ND
2018-08-2118235001802ND
2018-10-3018305000301ND
2018-11-1318319001302ND
2018-11-1318319001402ND
2019-02-1119045005002ND
2019-02-1119045005102ND
2019-05-1419136001702ND
2019-05-1419136001602ND
2019-08-1319226001602ND
2019-08-1319226001502ND
2019-11-1319318003702ND
2019-11-1319318003802ND
2020-02-1120044004602ND
2020-02-1120044004702ND
2020-06-0220156005501ND
2020-06-0220156005601ND
2020-08-1120226001502ND
2020-08-1120226001602ND
2020-11-1120317012702ND
2020-11-1120317012802ND
2021-03-0821070002501ND
2021-03-0821070002601ND
2021-05-1021132004002ND
2021-05-1021132003902ND
2021-08-1121224003902ND
2021-08-1121224003802ND
2021-11-1021316000901ND
2021-11-1021316000702ND
2021-11-1021316000802ND
2022-02-0722041007302ND
2022-02-0722041007402ND
2022-05-09O198157-THM-1ND
2022-05-09O198156-THM-1ND
2022-08-09O200735-THM-11.23 ppb
2022-08-09O200734-THM-11.09 ppb
2022-11-07O203793-THM-11.60 ppb
2022-11-07O203792-THM-1ND
2023-02-14O206499-THM-1ND
2023-02-14O206498-THM-1ND
2023-05-08O208982-THM-1ND
2023-05-08O208981-THM-11.04 ppb
2023-08-07O211498-THM-11.21 ppb
2023-08-07O211497-THM-11.36 ppb
2023-11-14O213955-THM-1ND
2023-11-14O213956-THM-1ND