Know Your Environment. Protect Your Health.

Dichloroacetic acid

Anthony, City of

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
20180.860 ppb110.860 ppb
20190.750 ppb110.750 ppb
20200.830 ppb110.830 ppb
20210.980 ppb110.980 ppb
20220.700 ppb110.700 ppb
20230.880 ppb110.880 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
2018-08-2810325970.860 ppb
2019-08-0512149310.750 ppb
2020-08-3115205680.830 ppb
2021-08-2319267070.980 ppb
2022-08-1023301460.700 ppb
2023-08-2825647170.880 ppb