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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Authority of Boro of Charleroi

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

 

96

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
20150.606 ppb162ND - 5.44 ppb
2016ND160ND
2017ND160ND
20180.260 ppb162ND - 2.13 ppb
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
2014-01-134A13073-01ND
2014-01-134A13073-03ND
2014-01-134A13073-04ND
2014-01-134A13073-02ND
2014-04-144D14061-03ND
2014-04-144D14061-01ND
2014-04-144D14061-04ND
2014-04-144D14061-02ND
2014-07-144G14077-03ND
2014-07-144G14077-01ND
2014-07-144G14077-02ND
2014-07-144G14077-04ND
2014-10-134J13067-02ND
2014-10-134J13067-01ND
2014-10-134J13067-04ND
2014-10-134J13067-03ND
2015-01-1212350859ND
2015-01-1212350858ND
2015-01-1212350857ND
2015-01-1212350860ND
2015-04-13126980005.44 ppb
2015-04-1312697998ND
2015-04-1312697997ND
2015-04-13126979994.25 ppb
2015-07-1313082093ND
2015-07-1313082094ND
2015-07-1313082091ND
2015-07-1313082092ND
2015-10-1213457793ND
2015-10-1213457792ND
2015-10-1213457794ND
2015-10-1213457791ND
2016-01-1113819231ND
2016-01-1113819230ND
2016-01-1113819229ND
2016-01-1113819232ND
2016-04-1114187084ND
2016-04-1114187086ND
2016-04-1114187085ND
2016-04-1114187087ND
2016-07-1114664399ND
2016-07-1114664397ND
2016-07-1114664400ND
2016-07-1114664398ND
2016-10-1015162990ND
2016-10-1015162992ND
2016-10-1015162991ND
2016-10-1015162989ND
2017-01-1615596896ND
2017-01-1615596897ND
2017-01-1615596895ND
2017-01-1615596894ND
2017-04-1716026011ND
2017-04-1716026008ND
2017-04-1716026010ND
2017-04-1716026009ND
2017-07-1116498622ND
2017-07-1116498624ND
2017-07-1116498621ND
2017-07-1116498623ND
2017-10-1716962135ND
2017-10-1716962134ND
2017-10-1716962133ND
2017-10-1716962136ND
2018-01-168A16081-01ND
2018-01-168A16081-02ND
2018-01-168A16081-04ND
2018-01-168A16081-03ND
2018-04-178D17103-03ND
2018-04-178D17103-02ND
2018-04-178D17103-012.13 ppb
2018-04-178D17103-042.03 ppb
2018-07-178G17196-04ND
2018-07-178G17196-02ND
2018-07-178G17196-01ND
2018-07-178G17196-03ND
2018-10-168J16167-01ND
2018-10-168J16167-04ND
2018-10-168J16167-03ND
2018-10-168J16167-02ND
2019-01-159A15102-04ND
2019-01-159A15102-01ND
2019-01-159A15102-03ND
2019-01-159A15102-02ND
2019-04-169D17055-02ND
2019-04-169D17055-01ND
2019-04-169D17055-03ND
2019-04-169D17055-04ND
2019-07-169G17043-03ND
2019-07-169G17043-04ND
2019-07-169G17043-01ND
2019-07-169G17043-05ND
2019-10-159J16148-01ND
2019-10-159J16148-02ND
2019-10-159J16148-04ND
2019-10-159J16148-03ND