Know Your Environment. Protect Your Health.

Dichloroacetic acid

Comanche County Water Supply Corporation Sipe Springs

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

30

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201813.3 ppb86ND - 36.4 ppb
20193.84 ppb83ND - 11.8 ppb
20207.03 ppb86ND - 24.9 ppb
202145.4 ppb86ND - 151.4 ppb
20227.71 ppb86ND - 17.4 ppb
20231.78 ppb83ND - 7.40 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
2018-02-27AE1599227.1 ppb
2018-02-27AE1598926.3 ppb
2018-06-04AE2845336.4 ppb
2018-06-04AE2845114.3 ppb
2018-09-13AE399811.30 ppb
2018-09-13AE399821.30 ppb
2018-11-07AE45563ND
2018-11-07AE45564ND
2019-02-19AE54825ND
2019-02-19AE54827ND
2019-06-04AE69040ND
2019-06-04AE690438.20 ppb
2019-08-07AE7739710.7 ppb
2019-08-07AE7739511.8 ppb
2019-11-06AE88626ND
2019-11-06AE88631ND
2020-02-13AE983532.20 ppb
2020-02-13AE9835410.00 ppb
2020-04-21AF07359ND
2020-04-21AF07361ND
2020-07-15AF193756.00 ppb
2020-07-15AF193775.70 ppb
2020-11-10AF3384424.9 ppb
2020-11-10AF338477.40 ppb
2021-03-04AF453276.00 ppb
2021-03-04AF453286.30 ppb
2021-04-13AF49927ND
2021-04-13AF49938ND
2021-07-07AF60915124.4 ppb
2021-07-07AF60916151.4 ppb
2021-11-02AF7538035.6 ppb
2021-11-02AF7538439.5 ppb
2022-03-21AF8975317.4 ppb
2022-03-21AF897559.90 ppb
2022-05-19AF977206.40 ppb
2022-05-19AF977236.50 ppb
2022-07-07AG0366212.1 ppb
2022-07-07AG036689.40 ppb
2022-11-30AG20196ND
2022-11-30AG20198ND
2023-01-24AG259921.20 ppb
2023-01-24AG25995ND
2023-05-11AG40170ND
2023-05-11AG40171ND
2023-09-06AG55043ND
2023-09-06AG55045ND
2023-12-28AG673535.60 ppb
2023-12-28AG673547.40 ppb