Know Your Environment. Protect Your Health.

Dibromochloromethane

Plumerville 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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND60ND
2020ND80ND
20210.150 ppb81ND - 1.20 ppb
2022ND80ND
2023ND80ND

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
2018-01-1718018003502ND
2018-01-1718018003402ND
2018-04-1718109001802ND
2018-04-1718109003601ND
2018-07-1718200004502ND
2018-07-1718200004602ND
2018-10-1718290003402ND
2018-12-0318339001902ND
2019-02-1319045000702ND
2019-02-1319045000902ND
2019-04-2219115006302ND
2019-04-2219115006402ND
2019-07-2219206006202ND
2019-07-2219206006101ND
2020-01-2820030013502ND
2020-01-2820030013602ND
2020-05-0520128001302ND
2020-05-0520128001602ND
2020-08-0320218000402ND
2020-08-0320218000302ND
2020-11-0320310014002ND
2020-11-0320310014102ND
2021-02-0221036004302ND
2021-02-0221036004402ND
2021-05-0321126001702ND
2021-05-0321126001402ND
2021-08-0221217003202ND
2021-08-0221217003102ND
2021-11-0121308001002ND
2021-11-01213080009021.20 ppb
2022-01-3122033005902ND
2022-01-3122033006002ND
2022-05-02O197532-THM-1ND
2022-05-02O197533-THM-1ND
2022-08-01O200330-THM-1ND
2022-08-01O200329-THM-1ND
2022-10-31O203487-THM-1ND
2022-10-31O203486-THM-1ND
2023-02-06O206102-THM-1ND
2023-02-06O206103-THM-1ND
2023-05-08O208922-THM-1ND
2023-05-08O208923-THM-1ND
2023-07-31O211141-THM-1ND
2023-07-31O211142-THM-1ND
2023-10-30O213627-THM-1ND
2023-10-30O213628-THM-1ND