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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Columbus

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

 

70

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND160ND
2016ND160ND
2017ND160ND
2018ND120ND
2019ND20ND

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
2014-09-23324184ND
2014-09-23324185ND
2014-09-23324186ND
2014-09-23324183ND
2014-10-27332905ND
2014-10-27332906ND
2014-10-27332907ND
2014-10-27332908ND
2015-03-02348714ND
2015-03-02348716ND
2015-03-02348717ND
2015-03-02348715ND
2015-06-01364954ND
2015-06-01364956ND
2015-06-01364955ND
2015-06-01364953ND
2015-09-08378736ND
2015-09-08378737ND
2015-09-08378738ND
2015-09-08378739ND
2015-12-01402122ND
2015-12-01402123ND
2015-12-01402124ND
2015-12-01402125ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-06-08ND
2016-06-08ND
2016-06-08ND
2016-06-08ND
2016-09-06ND
2016-09-06ND
2016-09-06ND
2016-09-06ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2017-03-06ND
2017-03-06ND
2017-03-06ND
2017-03-06ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-09-06ND
2017-09-06ND
2017-09-06ND
2017-09-06ND
2017-12-04ND
2017-12-04ND
2017-12-04ND
2017-12-04ND
2018-03-05534064ND
2018-03-05534063ND
2018-03-05534062ND
2018-03-05534061ND
2018-06-04549782ND
2018-06-04549783ND
2018-06-04549784ND
2018-06-04549785ND
2018-09-04568493ND
2018-09-04568494ND
2018-09-04568492ND
2018-09-04568491ND
2019-07-15623644ND
2019-07-15623643ND