Know Your Environment. Protect Your Health.

Dibromochloromethane

Dierks Water Works

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.

 

56

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.00682 ppb101ND - 0.0682 ppb
2019ND90ND
2020ND90ND
20210.0139 ppb101ND - 0.139 ppb
2022ND90ND
2023ND90ND

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
2018-02-1318046000202ND
2018-02-1318046001502ND
2018-02-1318046001701ND
2018-04-24181150015030.0682 ppb
2018-05-1518137005202ND
2018-05-1518137005302ND
2018-08-1418228003702ND
2018-08-1418228003802ND
2018-11-1318319006602ND
2018-11-1318319006702ND
2019-01-1519017006701ND
2019-02-1219045007802ND
2019-02-1219045007902ND
2019-05-0719129005002ND
2019-05-0719129004902ND
2019-08-1319227003402ND
2019-08-1319227003102ND
2019-11-0419311001002ND
2019-11-0419311001102ND
2020-01-2920030003601ND
2020-02-0320037000802ND
2020-02-0320037000702ND
2020-05-0520128006402ND
2020-05-0520128006302ND
2020-08-1120226005102ND
2020-08-1120226005002ND
2020-11-0420310005002ND
2020-11-0420310005102ND
2021-01-2621028009901ND
2021-02-2421056003901ND
2021-02-2421056003801ND
2021-04-14211050103030.139 ppb
2021-05-1121133007102ND
2021-05-1121133007002ND
2021-08-0321217002002ND
2021-08-0321217002102ND
2021-10-2721300002802ND
2021-10-2721300002902ND
2022-01-1122013001202ND
2022-01-3122033008802ND
2022-01-3122033008902ND
2022-05-04O197622-THM-1ND
2022-05-04O197621-THM-1ND
2022-08-03O200309-THM-1ND
2022-08-03O200308-THM-1ND
2022-10-25O203128-THM-1ND
2022-10-25O203129-THM-1ND
2023-01-11O205155-VOC-1ND
2023-02-08O206080-THM-1ND
2023-02-08O206081-THM-1ND
2023-05-01O208740-THM-1ND
2023-05-01O208741-THM-1ND
2023-07-24O210966-THM-1ND
2023-07-24O210967-THM-1ND
2023-10-31O213547-THM-1ND
2023-10-31O213546-THM-1ND