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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Green Bay 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

 

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
2015ND160ND
2016ND160ND
2017ND160ND
20180.0963 ppb163ND - 0.650 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
2014-02-102970811-12ND
2014-02-102970809-10ND
2014-02-102970807-08ND
2014-02-102970813-14ND
2014-05-053018975-76ND
2014-05-053018979-80ND
2014-05-053018973-74ND
2014-05-053018977-78ND
2014-08-043074890-91ND
2014-08-043074884-85ND
2014-08-043074888-89ND
2014-08-043074886-87ND
2014-11-033132496-97ND
2014-11-033132500-01ND
2014-11-033132498-99ND
2014-11-033132494-95ND
2015-02-023179949-50ND
2015-02-023179945-46ND
2015-02-023179947-48ND
2015-02-023179951-52ND
2015-05-043235414-15ND
2015-05-043235418-19ND
2015-05-043235416-17ND
2015-05-043235420-21ND
2015-08-033291664-65ND
2015-08-033291668-69ND
2015-08-033291666-67ND
2015-08-033291662-63ND
2015-11-023350779-80ND
2015-11-023350777-78ND
2015-11-023350775-76ND
2015-11-023350781-82ND
2016-02-083397178-79ND
2016-02-083397174-75ND
2016-02-083397176-77ND
2016-02-083397180-81ND
2016-05-023440205-06ND
2016-05-023440199-200ND
2016-05-023440203-04ND
2016-05-023440201-02ND
2016-08-013508727-28ND
2016-08-013508725-26ND
2016-08-013508729-30ND
2016-08-013508731-32ND
2016-11-073581312-13ND
2016-11-073581310-11ND
2016-11-073581316-17ND
2016-11-073581314-15ND
2017-02-063633024-25ND
2017-02-063633022-23ND
2017-02-063633020-21ND
2017-02-063633026-27ND
2017-05-083689854-55ND
2017-05-083689856-57ND
2017-05-083689858-59ND
2017-05-083689860-61ND
2017-08-073750421-22ND
2017-08-073750427-28ND
2017-08-073750425-26ND
2017-08-073750423-24ND
2017-11-013812512-13ND
2017-11-013812514-15ND
2017-11-013812516-17ND
2017-11-013812518-19ND
2018-02-0510396240.370 ppb
2018-02-051039627ND
2018-02-051039626ND
2018-02-051039625ND
2018-05-071054225ND
2018-05-071054224ND
2018-05-071054223ND
2018-05-071054222ND
2018-08-061071910ND
2018-08-061071911ND
2018-08-061071912ND
2018-08-061071909ND
2018-11-051091210ND
2018-11-051091211ND
2018-11-0510912080.520 ppb
2018-11-0510912090.650 ppb
2019-02-061104122ND
2019-02-061104119ND
2019-02-061104121ND
2019-02-061104120ND
2019-05-061119221ND
2019-05-061119222ND
2019-05-061119224ND
2019-05-061119223ND
2019-08-051138513ND
2019-08-051138512ND
2019-08-051138511ND
2019-08-051138514ND
2019-10-301158215ND
2019-10-301158216ND
2019-10-301158217ND
2019-10-301158218ND