Know Your Environment. Protect Your Health.

Dichloroacetic acid

Windfern Forest Utility 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
202116.1 ppb21ND - 32.1 ppb
202211.0 ppb21ND - 22.0 ppb
20238.05 ppb62ND - 30.6 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
2018-05-18AE26987ND
2019-08-22AE80184ND
2020-06-17AF15786ND
2021-07-13AF61637ND
2021-07-13AF6164232.1 ppb
2022-05-26AF98643ND
2022-05-26AF9864522.0 ppb
2023-06-23AG45814ND
2023-06-23AG4581530.6 ppb
2023-09-18AG5656317.7 ppb
2023-09-18AG56565ND
2023-11-10AG63324ND
2023-11-10AG63325ND