Know Your Environment. Protect Your Health.

Dichloroacetic acid

Anthony Water & Sanitation 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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.453 ppb127ND - 1.30 ppb
2020ND80ND
20210.525 ppb220.520 ppb - 0.530 ppb
20220.560 ppb220.530 ppb - 0.590 ppb
2023ND20ND

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
2018-06-202018017134ND
2018-06-202018017133ND
2019-06-252019017669ND
2019-06-2520190176681.30 ppb
2019-06-2520190176671.30 ppb
2019-06-252019017666ND
2019-09-252019027398ND
2019-09-252019027397ND
2019-09-252019027396ND
2019-09-2520190273950.380 ppb
2019-12-1120190350230.590 ppb
2019-12-1120190350220.730 ppb
2019-12-1120190350210.460 ppb
2019-12-1120190350200.670 ppb
2020-03-252020011356ND
2020-03-252020011355ND
2020-03-252020011354ND
2020-03-252020011353ND
2020-06-152020127370ND
2020-06-152020127373ND
2020-06-152020127372ND
2020-06-152020127371ND
2021-06-0920211262170.530 ppb
2021-06-0920211262180.520 ppb
2022-06-0820220890300.590 ppb
2022-06-0820220890310.530 ppb
2023-06-062023028062ND
2023-06-062023028063ND