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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Cleveland Waterworks

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

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
20170.500 ppb41ND - 2.00 ppb
2018ND80ND
20191.75 ppb81ND - 14.0 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
2014-07-09AI45331ND
2014-07-09AI45330ND
2015-09-09AI89250ND
2015-09-09AI89249ND
2016-09-19AJ27646ND
2016-09-19AJ27645ND
2017-09-25AJ693582.00 ppb
2017-09-25AJ69357ND
2017-12-18AJ75634ND
2017-12-18AJ75633ND
2018-03-21AJ86298ND
2018-03-21AJ86297ND
2018-06-20AJ92135ND
2018-06-20AJ92134ND
2018-09-19AK01750ND
2018-09-19AK01749ND
2018-12-10AK07664ND
2018-12-10AK07663ND
2019-03-18AK1347614.0 ppb
2019-03-18AK13475ND
2019-06-17AK19929ND
2019-06-17AK19928ND
2019-09-16AK30882ND
2019-09-16AK30881ND
2019-12-09AK37791ND
2019-12-09AK37792ND