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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

State College Boro Water Auth.

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-02-124B12091-04ND
2014-02-124B12091-01ND
2014-02-124B12091-02ND
2014-02-124B12091-03ND
2014-05-144E14143-01ND
2014-05-144E14143-04ND
2014-05-144E14143-02ND
2014-05-144E14143-03ND
2014-08-124H12092-01ND
2014-08-124H12092-04ND
2014-08-124H12092-03ND
2014-08-124H12092-02ND
2014-11-124K12113-03ND
2014-11-124K12113-04ND
2014-11-124K12113-02ND
2014-11-124K12113-01ND
2015-02-1212447244ND
2015-02-1212447245ND
2015-05-1212802889ND
2015-05-1212802890ND
2015-08-1213185357ND
2015-08-1213185356ND
2015-11-1613562111ND
2015-11-1613562110ND
2016-02-1613917328ND
2016-02-1613917326ND
2016-02-1613917327ND
2016-02-1613917325ND
2016-05-1614313198ND
2016-05-1614313196ND
2016-05-1614313195ND
2016-05-1614313197ND
2016-08-1514804846ND
2016-08-1514804847ND
2016-08-1514804845ND
2016-08-1514804848ND
2016-11-1415283127ND
2016-11-1415283126ND
2016-11-1415283125ND
2016-11-1415283124ND
2017-02-1515710028ND
2017-02-1515710029ND
2017-02-1515710027ND
2017-02-1515710030ND
2017-05-1616159402ND
2017-05-1616159401ND
2017-05-1616159400ND
2017-05-1616159403ND
2017-08-1516629707ND
2017-08-1516629704ND
2017-08-1516629705ND
2017-08-1516629706ND
2017-11-1517077694ND
2017-11-1517077692ND
2017-11-1517077691ND
2017-11-1517077693ND
2018-02-148B14168-04ND
2018-02-148B14168-03ND
2018-02-148B14168-02ND
2018-02-148B14168-01ND
2018-05-158E16034-01ND
2018-05-158E16034-03ND
2018-05-158E16034-04ND
2018-05-158E16034-02ND
2018-08-158H16067-02ND
2018-08-158H16067-03ND
2018-08-158H16067-04ND
2018-08-158H16067-01ND
2018-11-138K13106-04ND
2018-11-138K13106-02ND
2018-11-138K13106-01ND
2018-11-138K13106-03ND
2019-02-129B12132-02ND
2019-02-129B12132-04ND
2019-02-129B12132-01ND
2019-02-129B12132-03ND
2019-05-139E14034-08ND
2019-05-139E14034-09ND
2019-05-139E14034-06ND
2019-05-139E14034-07ND
2019-08-149H15047-03ND
2019-08-149H15047-01ND
2019-08-149H15047-04ND
2019-08-149H15047-02ND
2019-11-149K15090-04ND
2019-11-149K15090-03ND
2019-11-149K15090-02ND
2019-11-149K15090-01ND