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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Wellborn SUD

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.

 

89

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.350 ppb101ND - 3.50 ppb
20134.76 ppb1611ND - 39.0 ppb
2014ND150ND
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
2012-06-18AB93084ND
2012-06-18AB93086ND
2012-06-18AB93080ND
2012-06-18AB93091ND
2012-06-18AB93083ND
2012-06-18AB93081ND
2012-11-1512115780053.50 ppb
2012-11-151211578006ND
2012-11-151211578007ND
2012-11-151211578008ND
2013-02-061302228012ND
2013-02-0613022280112.30 ppb
2013-02-061302228010ND
2013-02-0613022280132.30 ppb
2013-06-12Q13021830015.60 ppb
2013-06-12Q13021830024.50 ppb
2013-06-12Q13021830035.00 ppb
2013-06-12Q13021830042.80 ppb
2013-09-23Q13078890045.70 ppb
2013-09-23Q1307889003ND
2013-09-23Q13078890022.20 ppb
2013-09-23Q1307889001ND
2013-12-12Q13176240014.30 ppb
2013-12-12Q13176240022.40 ppb
2013-12-12Q1317624003ND
2013-12-12Q131762400439.0 ppb
2014-02-13AC42883ND
2014-02-13AC42880ND
2014-02-13AC42879ND
2014-02-13AC42882ND
2014-04-07AC49622ND
2014-04-07AC49603ND
2014-04-07AC49605ND
2014-04-07AC49602ND
2014-09-10AC66517ND
2014-09-10AC66518ND
2014-09-10AC66526ND
2014-12-16AC75090ND
2014-12-16AC75089ND
2014-12-16AC75075ND
2014-12-16AC75091ND
2015-03-24AC85838ND
2015-03-24AC85845ND
2015-03-24AC85844ND
2015-03-24AC85850ND
2015-05-27AC93489ND
2015-05-27AC93488ND
2015-05-27AC93472ND
2015-06-18AC96572ND
2015-09-30AD09090ND
2015-09-30AD09091ND
2015-09-30AD09089ND
2015-09-30AD09093ND
2015-12-07AD15705ND
2015-12-07AD15704ND
2015-12-07AD15697ND
2015-12-07AD15696ND
2016-03-09AD27860ND
2016-03-09AD27863ND
2016-03-09AD27859ND
2016-03-09AD27861ND
2016-06-14AD40398ND
2016-06-14AD40396ND
2016-06-14AD40413ND
2016-06-14AD40402ND
2016-09-30AD52159ND
2016-09-30AD52161ND
2016-09-30AD52162ND
2016-09-30AD52163ND
2016-12-08AD61389ND
2016-12-08AD61383ND
2016-12-08AD61388ND
2016-12-08AD61387ND
2017-03-07AD73701ND
2017-03-07AD73699ND
2017-03-07AD73702ND
2017-03-07AD73700ND
2017-05-22AD85014ND
2017-05-22AD85016ND
2017-05-22AD85015ND
2017-05-22AD85022ND
2017-09-19AD96766ND
2017-09-19AD96768ND
2017-09-19AD96763ND
2017-09-19AD96767ND
2017-11-21AE05547ND
2017-11-21AE05549ND
2017-11-21AE05550ND
2017-11-21AE05548ND