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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Ankeny

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

 

115

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.563 ppb164ND - 3.00 ppb
2015ND160ND
20160.125 ppb161ND - 2.00 ppb
2017ND310ND
2018ND200ND
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
2014-02-2420367393.00 ppb
2014-02-2420367402.00 ppb
2014-02-2420367422.00 ppb
2014-02-2420367442.00 ppb
2014-05-122051329ND
2014-05-122051332ND
2014-05-122052888ND
2014-05-122052902ND
2014-08-032069039ND
2014-08-032069040ND
2014-08-032069042ND
2014-08-032069044ND
2014-11-112093300ND
2014-11-112093301ND
2014-11-112093303ND
2014-11-112093304ND
2015-02-04OE212868ND
2015-02-04OE212869ND
2015-02-04OE212870ND
2015-02-04OE212871ND
2015-05-04OE238955ND
2015-05-04OE238956ND
2015-05-04OE238957ND
2015-05-04OE238958ND
2015-08-03OE275344ND
2015-08-03OE275345ND
2015-08-03OE275346ND
2015-08-03OE275347ND
2015-11-16OE318305ND
2015-11-16OE318306ND
2015-11-16OE318307ND
2015-11-16OE318308ND
2016-02-24OE348858ND
2016-02-24OE348859ND
2016-02-24OE348860ND
2016-02-24OE348861ND
2016-05-25OE382308ND
2016-05-25OE3823102.00 ppb
2016-05-25OE382309ND
2016-05-25OE382311ND
2016-08-03OE409958ND
2016-08-03OE409959ND
2016-08-03OE409960ND
2016-08-03OE409957ND
2016-11-07OE449930ND
2016-11-07OE449931ND
2016-11-07OE449932ND
2016-11-07OE449933ND
2017-02-01OE476745ND
2017-02-01OE476738ND
2017-02-01OE476740ND
2017-02-01OE476741ND
2017-02-01OE476739ND
2017-02-01OE476743ND
2017-02-01OE476742ND
2017-02-01OE476744ND
2017-05-10OE511574ND
2017-05-10OE511575ND
2017-05-10OE511576ND
2017-05-10OE511580ND
2017-05-10OE511577ND
2017-05-10OE511579ND
2017-05-10OE511578ND
2017-05-10OE511581ND
2017-08-02OE545954ND
2017-08-02OE545955ND
2017-08-02OE545956ND
2017-08-02OE545957ND
2017-08-02OE545958ND
2017-08-02OE545959ND
2017-08-02OE545952ND
2017-08-02OE545953ND
2017-11-01OE585483ND
2017-11-01OE585480ND
2017-11-01OE585481ND
2017-11-01OE585484ND
2017-11-01OE585485ND
2017-11-01OE585486ND
2017-11-01OE585479ND
2018-02-01OE617843ND
2018-02-01OE617844ND
2018-02-01OE617845ND
2018-02-01OE617846ND
2018-02-01OE617847ND
2018-02-01OE617850ND
2018-02-01OE617851ND
2018-02-01OE617852ND
2018-05-09OE655650ND
2018-05-09OE655651ND
2018-05-09OE655652ND
2018-05-09OE655653ND
2018-08-02OE693167ND
2018-08-02OE693168ND
2018-08-02OE693169ND
2018-08-02OE693173ND
2018-11-07OE737165ND
2018-11-07OE737166ND
2018-11-07OE737168ND
2018-11-14OE739930ND
2019-02-05OE767242ND
2019-02-05OE767243ND
2019-02-05OE767244ND
2019-02-05OE767245ND
2019-05-01OE801882ND
2019-05-01OE801883ND
2019-05-01OE801884ND
2019-05-01OE801885ND
2019-08-13OE849090ND
2019-08-13OE849091ND
2019-08-13OE849092ND
2019-08-13OE849093ND
2019-11-14OE893768ND
2019-11-14OE893769ND
2019-11-14OE893770ND
2019-11-14OE893771ND