Know Your Environment. Protect Your Health.

Dibromochloromethane

Spencer Water System

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.

 

75

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND210ND
2022ND270ND
20230.304 ppb256ND - 1.65 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 Result
2018-04-10ND
2019-04-11ND
2021-01-12ND
2021-02-09ND
2021-02-09ND
2021-02-09ND
2021-03-11ND
2021-04-07ND
2021-05-11ND
2021-05-11ND
2021-05-11ND
2021-05-11ND
2021-06-10ND
2021-07-06ND
2021-08-10ND
2021-08-10ND
2021-08-10ND
2021-09-14ND
2021-10-11ND
2021-11-09ND
2021-11-09ND
2021-11-09ND
2021-12-07ND
2022-01-11ND
2022-01-11ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-03-15ND
2022-03-15ND
2022-04-12ND
2022-04-12ND
2022-05-10ND
2022-05-10ND
2022-05-10ND
2022-06-14ND
2022-07-12ND
2022-08-02ND
2022-08-09ND
2022-08-09ND
2022-08-09ND
2022-09-12ND
2022-10-12ND
2022-11-14ND
2022-11-14ND
2022-11-14ND
2022-12-13ND
2023-01-11ND
2023-01-11ND
2023-01-11ND
2023-02-13ND
2023-02-13ND
2023-02-13ND
2023-03-13ND
2023-04-10ND
2023-04-10ND
2023-05-15ND
2023-05-15ND
2023-05-15ND
2023-06-12ND
2023-07-11ND
2023-08-14ND
2023-09-111.19 ppb
2023-09-111.09 ppb
2023-09-11ND
2023-10-101.23 ppb
2023-11-141.29 ppb
2023-11-14ND
2023-11-14ND
2023-11-141.65 ppb
2023-11-141.14 ppb
2023-12-12ND