Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Anacortes

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.

 

83

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND170ND
2019ND180ND
2020N/A00N/A
2021ND160ND
2022ND160ND
2023ND160ND

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
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-05-21ND
2018-05-21ND
2018-05-21ND
2018-05-21ND
2018-07-16ND
2018-08-20ND
2018-08-20ND
2018-08-20ND
2018-08-20ND
2018-11-09ND
2018-11-09ND
2018-11-09ND
2018-11-09ND
2019-02-14ND
2019-02-14ND
2019-02-14ND
2019-02-14ND
2019-05-20ND
2019-05-20ND
2019-05-20ND
2019-05-20ND
2019-07-24ND
2019-07-24ND
2019-08-26ND
2019-08-26ND
2019-08-26ND
2019-08-26ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2021-02-234081137ND
2021-02-234081135ND
2021-02-234081133ND
2021-02-234081131ND
2021-05-034112895ND
2021-05-034112897ND
2021-05-034112891ND
2021-05-034112893ND
2021-09-204186123ND
2021-09-204186127ND
2021-09-204186125ND
2021-09-204186121ND
2021-11-084206455ND
2021-11-084206449ND
2021-11-084206453ND
2021-11-084206451ND
2022-02-174247379ND
2022-02-174247371ND
2022-02-174247364ND
2022-02-174247376ND
2022-04-274284276ND
2022-04-274284274ND
2022-04-274284272ND
2022-04-274284270ND
2022-07-264322117ND
2022-07-264322113ND
2022-07-264322115ND
2022-07-264322111ND
2022-11-014372002ND
2022-11-014372016ND
2022-11-014372007ND
2022-11-014372012ND
2023-02-014415123ND
2023-02-014415127ND
2023-02-014415121ND
2023-02-014415125ND
2023-05-124457586ND
2023-05-124457574ND
2023-05-124457582ND
2023-05-124457578ND
2023-07-314491328ND
2023-07-314491332ND
2023-07-314491330ND
2023-07-314491335ND
2023-11-204556342ND
2023-11-204556346ND
2023-11-204556362ND
2023-11-204556338ND