Know Your Environment. Protect Your Health.

Dibromochloromethane

Pardeeville 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.760 ppb110.760 ppb
2019ND10ND
20200.158 ppb41ND - 0.630 ppb
20210.870 ppb110.870 ppb
2022ND10ND
20230.475 ppb41ND - 1.90 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
2018-07-2310689870.760 ppb
2019-09-031144963ND
2020-05-20421557ND
2020-05-20421560ND
2020-05-20421565ND
2020-08-054572100.630 ppb
2021-09-0110442770.870 ppb
2022-07-201165784ND
2023-03-221302667ND
2023-03-221302663ND
2023-03-221302669ND
2023-07-1913505661.90 ppb