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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Juneau

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.

 

82

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND100ND
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND

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
2012-02-07DB*201202110086ND
2012-02-07DB*201202110085ND
2012-05-29DB*201205310248ND
2012-05-29DB*201205310249ND
2012-08-20DB*201208240333ND
2012-08-20DB*201208240334ND
2012-10-30DT*201211020146ND
2012-10-30DT*201211020147ND
2013-01-28DB*201302050908ND
2013-01-28DB*201302050907ND
2013-04-09DB*201304130210ND
2013-04-09DB*201304130212ND
2013-07-09DB*201307120311ND
2013-07-09DB*201307120312ND
2013-10-14DB*201310160316ND
2013-10-14DB*201310160317ND
2013-10-14DB*201310160318ND
2013-10-14DB*201310160319ND
2014-01-06DB*201401110039ND
2014-01-06DB*201401110041ND
2014-01-06DB*201401110042ND
2014-01-06DB*201401110043ND
2014-04-01DB*201404030460ND
2014-04-01DB*201404030464ND
2014-04-01DB*201404030463ND
2014-04-01DB*201404030462ND
2014-07-07H2*3059544ND
2014-07-07H2*3059543ND
2014-07-07H2*3059542ND
2014-07-07H2*3059541ND
2014-10-06DH*3120395ND
2014-10-06DH*3120401ND
2014-10-06DH*3120399ND
2014-10-06DH*3120397ND
2015-01-12DH*3172556ND
2015-01-12DH*3172557ND
2015-01-12DH*3172558ND
2015-01-12DH*3172559ND
2015-04-06DH*3219948ND
2015-04-06DH*3219946ND
2015-04-06DH*3219942ND
2015-04-06DH*3219944ND
2015-07-06DH*3275769ND
2015-07-06DH*3275770ND
2015-07-06DH*3275771ND
2015-07-06DH*3275772ND
2015-10-05DH*3336172ND
2015-10-05DH*3336171ND
2015-10-05DH*3336170ND
2015-10-05DH*3336169ND
2016-01-04DH*3382669ND
2016-01-04DH*3382670ND
2016-01-04DH*3382671ND
2016-01-04DH*3382672ND
2016-04-04DH*3426419ND
2016-04-04DH*3426418ND
2016-04-04DH*3426417ND
2016-04-04DH*3426416ND
2016-07-18DH*3499728ND
2016-07-18DH*3499729ND
2016-07-18DH*3499730ND
2016-07-18DH*3499731ND
2016-10-03DB*3559108ND
2016-10-03DB*3559107ND
2016-10-03DB*3559106ND
2016-10-03DB*3559109ND
2017-01-09DH*3619065ND
2017-01-09DH*3619066ND
2017-01-09DH*3619067ND
2017-01-09DH*3619068ND
2017-04-03DH*3667838ND
2017-04-03DH*3667841ND
2017-04-03DH*3667840ND
2017-04-03DH*3667839ND
2017-07-03DH*3726828ND
2017-07-03DH*3726829ND
2017-07-03DH*3726830ND
2017-07-03DH*3726831ND
2017-10-02DH*3791849ND
2017-10-02DH*3791850ND
2017-10-02DH*3791851ND
2017-10-02DH*3791852ND