Know Your Environment. Protect Your Health.

Dichloroacetic acid

East Wenatchee Water District

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.608 ppb42ND - 1.35 ppb
2019ND40ND
2020N/A00N/A
20211.15 ppb64ND - 1.98 ppb
2022ND20ND
2023ND40ND

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
2018-08-291.08 ppb
2018-08-291.35 ppb
2018-08-29ND
2018-08-29ND
2019-08-06ND
2019-08-06ND
2019-08-06ND
2019-08-06ND
2021-06-2341451521.62 ppb
2021-06-2441451531.98 ppb
2021-12-0642165831.54 ppb
2021-12-0642165841.75 ppb
2021-12-064216585ND
2021-12-074216586ND
2023-06-054581708ND
2023-06-054581710ND
2023-06-124581712ND
2023-06-124581714ND