Know Your Environment. Protect Your Health.

Dichloroacetic acid

Pardeeville Waterworks

Dichloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

6

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.310 ppb110.310 ppb
20190.320 ppb110.320 ppb
20200.290 ppb110.290 ppb
20211.000 ppb111.000 ppb
20220.650 ppb110.650 ppb
20230.960 ppb110.960 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic acid was defined by 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 reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-2310689870.310 ppb
2019-09-0311449630.320 ppb
2020-08-0512053980.290 ppb
2021-09-0112751931.000 ppb
2022-07-2013254330.650 ppb
2023-07-19CB08341-010.960 ppb