Know Your Environment. Protect Your Health.

Dichloroacetic acid

NJ American Water - Twin Lakes

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.50 ppb21ND - 5.00 ppb
20190.550 ppb21ND - 1.10 ppb
2020ND20ND
2021ND20ND
20220.600 ppb21ND - 1.20 ppb
20231.40 ppb221.30 ppb - 1.50 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
2018-08-15407298015.00 ppb
2018-08-1540729701ND
2019-08-14458924011.10 ppb
2019-08-1445892501ND
2020-08-1351388301ND
2020-08-1351388401ND
2021-08-1255748401ND
2021-08-1255748601ND
2022-08-1159880101ND
2022-08-11598802011.20 ppb
2023-08-09672500011.50 ppb
2023-08-09672501011.30 ppb