Know Your Environment. Protect Your Health.

Dichloroacetic acid

French Settlement Water Company-bankston

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.795 ppb440.770 ppb - 0.820 ppb
20190.630 ppb440.590 ppb - 0.670 ppb
20200.500 ppb220.490 ppb - 0.510 ppb
2021ND20ND
20220.690 ppb220.650 ppb - 0.730 ppb
20232.25 ppb222.20 ppb - 2.30 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
2018-08-03354087510010.820 ppb
2018-08-03354087510020.770 ppb
2018-08-03354087510010.820 ppb
2018-08-03354087510020.770 ppb
2019-08-06354877970010.590 ppb
2019-08-06354877970020.670 ppb
2019-08-06354877970010.590 ppb
2019-08-06354877970020.670 ppb
2020-08-07355689790010.490 ppb
2020-08-07355689790020.510 ppb
2021-08-1235655661001ND
2021-08-1235655661002ND
2022-08-05357373650010.730 ppb
2022-08-05357373650020.650 ppb
2023-08-03358181850012.20 ppb
2023-08-03358181850022.30 ppb