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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

IL American - Pekin

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.

MORE ABOUT THIS CONTAMINANT

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND160ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND30ND

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
2014-03-2524980601ND
2014-03-2524980901ND
2014-03-2524980701ND
2014-03-2524980801ND
2014-06-2325863701ND
2014-06-2325864001ND
2014-06-2325863801ND
2014-06-2425863901ND
2014-09-1626998201ND
2014-09-1626998001ND
2014-09-1626998301ND
2014-09-1626998101ND
2014-12-1727689701ND
2014-12-1727689801ND
2014-12-1727689601ND
2014-12-1727689901ND
2015-06-2229099901ND
2015-09-1530105501ND
2016-06-0632419301ND
2016-09-1333244601ND
2017-06-0635791101ND
2017-09-0637043501ND
2018-06-0439839301ND
2018-09-1040889201ND
2019-06-0444708401ND
2019-06-0444708501ND
2019-09-1046383101ND