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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Berwyn

NOTE: Berwyn purchases water from City of Chicago which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Chicago.

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.

 

218

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.08 ppb257ND - 5.18 ppb
2013ND200ND
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND

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

NOTE: Berwyn purchases water from City of Chicago which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Chicago.

Date Lab ID Result
2012-01-24SA20867-02_01ND
2012-01-24SA20867-01_01ND
2012-06-13SF20002-03_01ND
2012-06-13SF20002-13_01ND
2012-06-13SF20002-06_01ND
2012-06-13SF20002-09_01ND
2012-06-13SF20002-12_01ND
2012-06-13SF20002-10_01ND
2012-06-13SF20002-01_01ND
2012-06-13SF20002-07_01ND
2012-06-13SF20002-05_01ND
2012-06-13SF20002-02_01ND
2012-06-13SF20002-04_01ND
2012-06-13SF20002-14_01ND
2012-06-13SF20002-15_01ND
2012-06-30SF21739-03_01ND
2012-06-30SF21739-01_01ND
2012-06-30SF21739-02_01ND
2012-09-12SI20556-04_01ND
2012-09-12SI20558-03_01ND
2012-09-12SI20553-02_01ND
2012-09-12SI20555-02_01ND
2012-09-12SI20555-03_01ND
2012-09-12SI20555-04_01ND
2012-09-12SI20556-02_01ND
2012-09-12SI20558-04_01ND
2012-09-12SI20553-03_01ND
2012-09-12SI20553-04_01ND
2012-09-12SI20556-01_01ND
2012-09-12SI20556-03_01ND
2012-09-12SI20553-01_01ND
2012-09-12SI20558-02_01ND
2012-09-12SI20558-01_01ND
2012-09-12SI20555-01_01ND
2012-12-12SL20441-01_01ND
2012-12-12SL20441-02_01ND
2012-12-12SL20441-03_01ND
2012-12-12SL20441-04_01ND
2012-12-12SL20441-05_01ND
2012-12-12SL20441-06_01ND
2012-12-12SL20441-07_01ND
2012-12-12SL20441-08_01ND
2012-12-12SL20441-09_01ND
2012-12-12SL20441-10_01ND
2012-12-12SL20441-11_01ND
2012-12-12SL20441-12_01ND
2012-12-12SL20441-13_01ND
2012-12-12SL20441-14_01ND
2012-12-12SL20441-15_01ND
2012-12-12SL20441-16_01ND
2013-03-13SC30378-01_01ND
2013-03-13SC30378-03_01ND
2013-03-13SC30378-05_01ND
2013-03-13SC30378-07_01ND
2013-03-13SC30378-09_01ND
2013-03-13SC30378-11_01ND
2013-03-13SC30378-13_01ND
2013-03-13SC30378-02_01ND
2013-03-13SC30378-04_01ND
2013-03-13SC30378-06_01ND
2013-03-13SC30378-08_01ND
2013-03-13SC30378-10_01ND
2013-03-13SC30378-12_01ND
2013-03-13SC30378-14_01ND
2013-03-13SC30378-15_01ND
2013-03-13SC30378-16_01ND
2013-06-12SF30764-01_01ND
2013-06-12SF30764-03_01ND
2013-06-12SF30764-04_01ND
2013-06-12SF30764-02_01ND
2013-06-12SF30761-01_01ND
2013-06-12SF30761-02_01ND
2013-06-12SF30761-03_01ND
2013-06-12SF30761-04_01ND
2013-09-10SI30422-01_01ND
2013-09-10SI30422-04_01ND
2013-09-10SI30422-03_01ND
2013-09-10SI30422-02_01ND
2013-09-10SI30420-01_01ND
2013-09-10SI30420-04_01ND
2013-09-10SI30420-03_01ND
2013-09-10SI30420-02_01ND
2013-12-10SL30348-01_01ND
2013-12-10SL30348-02_01ND
2013-12-10SL30348-03_01ND
2013-12-10SL30348-04_01ND
2013-12-10SL30349-01_01ND
2013-12-10SL30349-02_01ND
2013-12-10SL30349-03_01ND
2013-12-10SL30349-04_01ND
2014-03-11SC40245-01_01ND
2014-03-11SC40245-02_01ND
2014-03-11SC40245-03_01ND
2014-03-11SC40245-04_01ND
2014-03-11SC40246-01_01ND
2014-03-11SC40246-02_01ND
2014-03-11SC40246-04_01ND
2014-04-02SD40100-01_01ND
2014-06-10SF40499-01_01ND
2014-06-10SF40499-02_01ND
2014-06-10SF40499-03_01ND
2014-06-10SF40499-04_01ND
2014-06-10SF40499-05_01ND
2014-06-10SF40499-08_01ND
2014-06-10SF40499-07_01ND
2014-06-10SF40499-06_01ND
2014-09-09SI40440-01_01ND
2014-09-09SI40440-02_01ND
2014-09-09SI40440-03_01ND
2014-09-09SI40440-04_01ND
2014-09-09SI40470-01_01ND
2014-09-09SI40470-02_01ND
2014-09-09SI40470-03_01ND
2014-09-09SI40470-04_01ND
2014-12-09SL40306-01_01ND
2014-12-09SL40306-02_01ND
2014-12-09SL40306-03_01ND
2014-12-09SL40306-04_01ND
2014-12-09SL40305-01_01ND
2014-12-09SL40305-02_01ND
2014-12-09SL40305-03_01ND
2014-12-09SL40305-04_01ND
2015-03-10SC50297-01_01ND
2015-03-10SC50297-02_01ND
2015-03-10SC50297-03_01ND
2015-03-10SC50297-04_01ND
2015-03-10SC50298-01_01ND
2015-03-10SC50298-02_01ND
2015-03-10SC50298-03_01ND
2015-03-10SC50298-04_01ND
2015-06-09SF50508-01_01ND
2015-06-09SF50508-02_01ND
2015-06-09SF50508-03_01ND
2015-06-09SF50508-04_01ND
2015-06-09SF50515-01_01ND
2015-06-09SF50515-02_01ND
2015-06-09SF50515-03_01ND
2015-06-09SF50515-04_01ND
2015-09-08SI50398-01_01ND
2015-09-08SI50398-02_01ND
2015-09-08SI50398-03_01ND
2015-09-08SI50398-04_01ND
2015-09-08SI50397-01_01ND
2015-09-08SI50397-02_01ND
2015-09-08SI50397-03_01ND
2015-09-08SI50397-04_01ND
2015-12-08SL50257-01_01ND
2015-12-08SL50257-02_01ND
2015-12-08SL50257-03_01ND
2015-12-08SL50257-04_01ND
2015-12-08SL50258-01_01ND
2015-12-08SL50258-02_01ND
2015-12-08SL50258-03_01ND
2015-12-08SL50258-04_01ND
2016-03-0916C0300-01_01ND
2016-03-0916C0300-03_01ND
2016-03-0916C0300-04_01ND
2016-03-0916C0300-02_01ND
2016-03-0916C0297-01_01ND
2016-03-0916C0297-03_01ND
2016-03-0916C0297-04_01ND
2016-03-0916C0297-02_01ND
2016-06-1416F0674-01_01ND
2016-06-1416F0674-02_01ND
2016-06-1416F0674-03_01ND
2016-06-1416F0674-04_01ND
2016-06-1416F0672-01_01ND
2016-06-1416F0672-02_01ND
2016-06-1416F0672-03_01ND
2016-06-1416F0672-04_01ND
2016-09-0616I0160-01_01ND
2016-09-0616I0160-02_01ND
2016-09-0616I0160-03_01ND
2016-09-0616I0160-04_01ND
2016-09-1416I0569-01_01ND
2016-09-1416I0569-02_01ND
2016-09-1416I0569-03_01ND
2016-09-1416I0569-04_01ND
2016-12-0616L0160-01_01ND
2016-12-0616L0160-02_01ND
2016-12-0616L0160-03_01ND
2016-12-0616L0160-04_01ND
2016-12-0616L0163-01_01ND
2016-12-0616L0163-02_01ND
2016-12-0616L0163-03_01ND
2016-12-0616L0163-04_01ND
2017-03-0617C0264-01_01ND
2017-03-0617C0264-02_01ND
2017-03-0617C0264-03_01ND
2017-03-0617C0264-04_01ND
2017-03-0617C0264-05_01ND
2017-03-0617C0264-07_01ND
2017-03-0617C0264-06_01ND
2017-03-0617C0264-08_01ND
2017-06-0717F0351-01_01ND
2017-06-0717F0351-02_01ND
2017-06-0717F0351-03_01ND
2017-06-0717F0351-04_01ND
2017-06-0717F0351-05_01ND
2017-06-0717F0351-06_01ND
2017-06-0717F0351-07_01ND
2017-06-0717F0351-08_01ND
2017-09-0517I0082-01_01ND
2017-09-0517I0082-02_01ND
2017-09-0517I0082-03_01ND
2017-09-0517I0082-04_01ND
2017-09-0517I0081-01_01ND
2017-09-0517I0081-02_01ND
2017-09-0517I0081-03_01ND
2017-09-0517I0081-04_01ND
2017-12-0517L0095-01_01ND
2017-12-0517L0095-02_01ND
2017-12-0517L0095-03_01ND
2017-12-0517L0095-04_01ND
2017-12-0517L0092-01_01ND
2017-12-0517L0092-02_01ND
2017-12-0517L0092-03_01ND
2017-12-0517L0092-04_01ND