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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Meadville PWS

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND20ND
2019N/A00N/A

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
2014-08-01AC30768ND
2014-10-29AC37718ND
2015-01-29AC40442ND
2015-04-27AC45082ND
2015-07-27AC54363ND
2015-10-20AC61250ND
2016-01-27AC65056ND
2016-04-27AC69415ND
2016-07-18AC79744ND
2016-10-24AC86322ND
2017-01-25AC89135ND
2017-04-20AC94494ND
2017-07-17AD01469ND
2017-10-18AD07926ND
2018-01-22AD11366ND
2018-04-19AD18039ND