Know Your Environment. Protect Your Health.

Dibromochloromethane

Lost Bridge Vill Wat-sew Dists

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.138 ppb81ND - 1.10 ppb
2019ND70ND
2020ND80ND
20210.300 ppb82ND - 1.20 ppb
2022ND80ND
20230.420 ppb83ND - 1.17 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
2018-01-2418025006702ND
2018-01-2418025006602ND
2018-04-2418116004402ND
2018-04-2418116004302ND
2018-07-2318207004402ND
2018-07-2318207004302ND
2018-11-27183320051011.10 ppb
2018-11-2718332005201ND
2019-01-2219024006702ND
2019-01-2219024006602ND
2019-04-1619108008902ND
2019-04-1619108008802ND
2019-07-1619198004002ND
2019-07-1619198004102ND
2019-12-0219338005102ND
2020-01-2120023009202ND
2020-01-2120023008102ND
2020-04-1420107009202ND
2020-04-1420107009302ND
2020-07-1420198014702ND
2020-07-1420198014802ND
2020-10-1320289001402ND
2020-10-1320289001302ND
2021-01-1221014012002ND
2021-01-1221014012102ND
2021-04-1321105017102ND
2021-04-1321105017002ND
2021-07-1321196011202ND
2021-07-1321196011302ND
2021-10-12212870098021.20 ppb
2021-10-12212870099021.20 ppb
2022-01-1222014002602ND
2022-01-1222014002702ND
2022-04-12O196904-THM-1ND
2022-04-12O196903-THM-1ND
2022-07-12O199598-THM-1ND
2022-07-12O199597-THM-1ND
2022-10-11O202614-THM-1ND
2022-10-11O202613-THM-1ND
2023-01-10O205032-THM-11.13 ppb
2023-01-10O205033-THM-11.17 ppb
2023-04-11O207783-THM-1ND
2023-04-11O207784-THM-1ND
2023-07-11O210921-THM-1ND
2023-07-11O210533-THM-1ND
2023-10-10O212911-THM-1ND
2023-10-10O212910-THM-11.06 ppb