Know Your Environment. Protect Your Health.

Dibromochloromethane

Avant Utilities Authority

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.200 ppb51ND - 1.000 ppb
2019ND50ND
2020ND40ND
2021ND40ND
2022ND50ND
20230.530 ppb42ND - 1.08 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
2018-03-27AC27083-01ND
2018-06-26AF26094-01ND
2018-09-19AI19204-011.000 ppb
2018-12-19AL19060-01ND
2018-12-19AL19057-01RE1ND
2019-03-21BC21018-01ND
2019-06-25BF25056-01ND
2019-09-18BI18055-01ND
2019-12-10BL10076-01ND
2019-12-10BL10078-01ND
2020-03-25CC25046-01ND
2020-06-22CF22035-01ND
2020-09-10CI10031-01ND
2020-12-15CL15050-01ND
2021-03-29DC29012-01ND
2021-06-24DF24112-01ND
2021-09-22DI22032-01ND
2021-12-16DL16072-01ND
2022-03-30EC30018-01ND
2022-06-28EF28044-01ND
2022-09-13EI13102-01ND
2022-12-13EL13045-01ND
2022-12-13EL13047-01ND
2023-03-27FC27014-01ND
2023-06-19FF19035-011.04 ppb
2023-09-11FI11056-011.08 ppb
2023-12-22FL22018-01ND