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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Marinette Waterworks

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

 

93

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
2014ND130ND
2015ND160ND
2016ND160ND
20170.113 ppb161ND - 1.80 ppb
20180.0644 ppb162ND - 0.680 ppb
20190.0813 ppb161ND - 1.30 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
2014-02-11770096ND
2014-05-14785643ND
2014-05-14785642ND
2014-05-14785644ND
2014-05-14785645ND
2014-08-13810497ND
2014-08-13810496ND
2014-08-13810499ND
2014-08-13810498ND
2014-11-11830906ND
2014-11-11830909ND
2014-11-11830907ND
2014-11-11830908ND
2015-02-11843009ND
2015-02-11843011ND
2015-02-11843010ND
2015-02-11843012ND
2015-05-11859122ND
2015-05-11859123ND
2015-05-11859124ND
2015-05-11859125ND
2015-08-07876063ND
2015-08-07876061ND
2015-08-07876062ND
2015-08-07876064ND
2015-11-11893804ND
2015-11-11893807ND
2015-11-11893805ND
2015-11-11893806ND
2016-02-10905022ND
2016-02-10905021ND
2016-02-10905023ND
2016-02-10905024ND
2016-05-11920657ND
2016-05-11920659ND
2016-05-11920658ND
2016-05-11920656ND
2016-08-10938485ND
2016-08-10938484ND
2016-08-10938487ND
2016-08-10938486ND
2016-11-09958397ND
2016-11-09958398ND
2016-11-09958395ND
2016-11-09958396ND
2017-02-15973927ND
2017-02-15973926ND
2017-02-15973928ND
2017-02-15973929ND
2017-05-17991023ND
2017-05-17991022ND
2017-05-17991021ND
2017-05-17991020ND
2017-08-081009616ND
2017-08-0810096171.80 ppb
2017-08-081009615ND
2017-08-081009614ND
2017-11-081028775ND
2017-11-081028772ND
2017-11-081028773ND
2017-11-081028774ND
2018-02-131040816ND
2018-02-131040813ND
2018-02-131040815ND
2018-02-131040814ND
2018-05-161056103ND
2018-05-161056102ND
2018-05-161056104ND
2018-05-161056105ND
2018-08-081072639ND
2018-08-081072638ND
2018-08-081072640ND
2018-08-081072641ND
2018-11-1210924170.680 ppb
2018-11-121092415ND
2018-11-121092414ND
2018-11-1210924160.350 ppb
2019-02-131105047ND
2019-02-131105046ND
2019-02-131105045ND
2019-02-1311050441.30 ppb
2019-05-141121032ND
2019-05-141121033ND
2019-05-141121034ND
2019-05-141121035ND
2019-08-141141100ND
2019-08-141141099ND
2019-08-141141098ND
2019-08-141141101ND
2019-11-131160811ND
2019-11-131160812ND
2019-11-131160809ND
2019-11-131160810ND