Know Your Environment. Protect Your Health.

Dichloroacetic acid

Clark Public Utilities

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20192.17 ppb62ND - 7.20 ppb
2020N/A00N/A
2021ND80ND
20220.763 ppb85ND - 1.40 ppb
20230.763 ppb85ND - 1.30 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
2018-08-20ND
2018-08-20ND
2019-06-10ND
2019-06-10ND
2019-08-087.20 ppb
2019-08-085.80 ppb
2019-10-10ND
2019-10-10ND
2021-01-264069475ND
2021-01-264069474ND
2021-04-124101230ND
2021-04-124101229ND
2021-07-204149065ND
2021-07-204149064ND
2021-10-144194915ND
2021-10-144194916ND
2022-01-2042417991.40 ppb
2022-01-2042417971.40 ppb
2022-04-184272915ND
2022-04-1842729141.20 ppb
2022-07-074309410ND
2022-07-0743094091.000 ppb
2022-10-034361611ND
2022-10-0343616101.10 ppb
2023-01-2444114231.30 ppb
2023-01-244411422ND
2023-04-0544366931.20 ppb
2023-04-0544366941.20 ppb
2023-07-114485431ND
2023-07-114485430ND
2023-10-0245315781.30 ppb
2023-10-0245315771.10 ppb