Know Your Environment. Protect Your Health.

Dichloroacetic acid

Osborne County Rural Water District 1a

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.650 ppb42ND - 1.30 ppb
20190.283 ppb42ND - 0.630 ppb
20200.775 ppb42ND - 1.70 ppb
2021ND30ND
2022ND50ND
20230.440 ppb21ND - 0.880 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
2018-03-189378631.30 ppb
2018-06-17990504ND
2018-10-091058175ND
2018-12-1610922081.30 ppb
2019-03-171138499ND
2019-06-0911839780.500 ppb
2019-09-151242060ND
2019-12-1612913560.630 ppb
2020-03-2213451351.40 ppb
2020-06-1514052431.70 ppb
2020-09-131518376ND
2020-12-141673541ND
2021-03-211799979ND
2021-06-231866797ND
2021-09-121953787ND
2022-01-172156176ND
2022-03-062210676ND
2022-06-122277380ND
2022-09-062353361ND
2022-12-192419492ND
2023-03-1224651180.880 ppb
2023-12-042619309ND