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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Arkansas City

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
2014ND160ND
20151.74 ppb164ND - 10.00 ppb
20161.13 ppb167ND - 3.10 ppb
20170.144 ppb161ND - 2.30 ppb
20181.23 ppb163ND - 12.0 ppb
20190.900 ppb162ND - 12.0 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
2014-02-1053457ND
2014-02-1053454ND
2014-02-1053451ND
2014-02-1053447ND
2014-05-05109078ND
2014-05-05109075ND
2014-05-05109072ND
2014-05-05109069ND
2014-08-18174758ND
2014-08-18174756ND
2014-08-18174760ND
2014-08-18174766ND
2014-11-03222952ND
2014-11-03222951ND
2014-11-03222950ND
2014-11-03222949ND
2015-02-02270069ND
2015-02-0227006810.00 ppb
2015-02-02270067ND
2015-02-022700665.90 ppb
2015-05-04322020ND
2015-05-04322021ND
2015-05-04322023ND
2015-05-04322022ND
2015-08-04378096ND
2015-08-043780952.70 ppb
2015-08-04378094ND
2015-08-043780939.30 ppb
2015-11-16428031ND
2015-11-16428030ND
2015-11-16428029ND
2015-11-16428028ND
2016-02-084903723.00 ppb
2016-02-08490371ND
2016-02-08490373ND
2016-02-084903742.60 ppb
2016-05-10543961ND
2016-05-10543960ND
2016-05-105439592.60 ppb
2016-05-105439583.10 ppb
2016-08-09599925ND
2016-08-095999242.10 ppb
2016-08-09599923ND
2016-08-09599922ND
2016-11-086569862.20 ppb
2016-11-086569892.50 ppb
2016-11-08656988ND
2016-11-08656987ND
2017-02-06703867ND
2017-02-06703866ND
2017-02-06703865ND
2017-02-06703864ND
2017-05-167620592.30 ppb
2017-05-16762058ND
2017-05-16762057ND
2017-05-16762056ND
2017-08-15819746ND
2017-08-15819745ND
2017-08-15819747ND
2017-08-15819748ND
2017-11-07872465ND
2017-11-07872464ND
2017-11-07872463ND
2017-11-07872462ND
2018-01-319079462.40 ppb
2018-01-31907945ND
2018-01-31907944ND
2018-01-31907943ND
2018-05-08967349ND
2018-05-08967350ND
2018-05-08967361ND
2018-05-08967351ND
2018-08-08102515512.0 ppb
2018-08-081025154ND
2018-08-081025153ND
2018-08-0810251525.30 ppb
2018-11-061073729ND
2018-11-061073728ND
2018-11-061073727ND
2018-11-061073726ND
2019-02-121120203ND
2019-02-121120201ND
2019-02-121120205ND
2019-02-121120206ND
2019-05-011157741ND
2019-05-0111577402.40 ppb
2019-05-011157739ND
2019-05-011157738ND
2019-09-041233466ND
2019-09-04123346512.0 ppb
2019-09-041233463ND
2019-09-041233462ND
2019-12-031282508ND
2019-12-031282511ND
2019-12-031282510ND
2019-12-031282509ND