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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Hutchinson

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

 

64

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
20150.400 ppb163ND - 2.40 ppb
2016ND120ND
2017ND20ND
2018ND20ND
20192.91 ppb164ND - 19.0 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
2014-02-1060074ND
2014-02-1060067ND
2014-02-1060066ND
2014-02-1060056ND
2014-05-12112384ND
2014-05-12112381ND
2014-05-12112379ND
2014-05-12112377ND
2014-08-19175818ND
2014-08-19175817ND
2014-08-19175816ND
2014-08-19175815ND
2014-11-04226586ND
2014-11-04226587ND
2014-11-04226589ND
2014-11-04226588ND
2015-02-03271002ND
2015-02-03271001ND
2015-02-03271000ND
2015-02-03270999ND
2015-05-18335023ND
2015-05-18335022ND
2015-05-18335024ND
2015-05-18335025ND
2015-08-043791972.40 ppb
2015-08-043791952.00 ppb
2015-08-04379193ND
2015-08-043791912.00 ppb
2015-11-16428118ND
2015-11-16428121ND
2015-11-16428120ND
2015-11-16428119ND
2016-02-16493785ND
2016-02-16493784ND
2016-02-16493783ND
2016-02-16493782ND
2016-05-16546722ND
2016-05-16546721ND
2016-05-16546719ND
2016-05-16546718ND
2016-08-09599964ND
2016-08-09599963ND
2016-08-09599962ND
2016-08-09599961ND
2017-09-12838719ND
2017-09-12838718ND
2018-08-141025113ND
2018-08-141025114ND
2019-02-121120215ND
2019-02-121120214ND
2019-02-121120213ND
2019-02-121120212ND
2019-05-141157883ND
2019-05-141157882ND
2019-05-141157881ND
2019-05-141157880ND
2019-08-131222480ND
2019-08-131222479ND
2019-08-131222478ND
2019-08-131222477ND
2019-11-13127482019.0 ppb
2019-11-1312748219.20 ppb
2019-11-1312748226.30 ppb
2019-11-13127481812.0 ppb