Know Your Environment. Protect Your Health.

Dichloroacetic acid

Danville Drive Service Area

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.411 ppb84ND - 1.10 ppb
20190.859 ppb880.230 ppb - 1.40 ppb
20200.906 ppb880.590 ppb - 1.40 ppb
20210.595 ppb880.380 ppb - 0.930 ppb
20220.576 ppb880.320 ppb - 0.960 ppb
20230.396 ppb86ND - 0.930 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