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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Utilities Inc. - Lake Village SD

Monochloroacetic 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
20180.470 ppb42ND - 0.940 ppb
20192.90 ppb441.70 ppb - 4.10 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-0835149864010ND
2014-08-0835149864009ND
2014-08-0835149864010ND
2014-08-0835149864009ND
2015-08-251422134ND
2015-08-251422134ND
2015-08-251422135ND
2015-08-251422135ND
2016-08-021512505ND
2016-08-021512506ND
2016-08-021512506ND
2016-08-021512505ND
2017-08-1635331308016ND
2017-08-1635331308016ND
2017-08-1635331308015ND
2017-08-1635331308015ND
2018-08-0235408643002ND
2018-08-02354086430010.940 ppb
2018-08-02354086430010.940 ppb
2018-08-0235408643002ND
2019-08-09354890970014.10 ppb
2019-08-09354890970021.70 ppb
2019-08-09354890970014.10 ppb
2019-08-09354890970021.70 ppb