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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Searcy 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

 

84

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
20151.63 ppb84ND - 4.10 ppb
20160.156 ppb161ND - 2.50 ppb
20170.263 ppb162ND - 2.10 ppb
20182.03 ppb128ND - 4.40 ppb
20190.481 ppb163ND - 3.10 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
2014-03-1114072002001ND
2014-03-1114072002501ND
2014-03-1114072001901ND
2014-03-1114072001801ND
2014-06-0414156004101ND
2014-06-0414156004201ND
2014-06-0414156004001ND
2014-06-0414156003701ND
2014-09-0314247001401ND
2014-09-0314247002601ND
2014-09-0314247001201ND
2014-09-0314247001301ND
2014-11-1114316001801ND
2014-11-1114316001301ND
2014-11-1114316001401ND
2014-11-1114316001501ND
2015-02-0915042001601ND
2015-02-0915042001701ND
2015-06-03151550043014.10 ppb
2015-06-03151550044013.90 ppb
2015-09-0115245002101ND
2015-09-0115245002001ND
2015-11-23153290021012.60 ppb
2015-11-23153290022012.40 ppb
2016-02-2916064003301ND
2016-02-2916064003201ND
2016-02-2916064003001ND
2016-02-2916064003101ND
2016-06-0716160002901ND
2016-06-07161600026012.50 ppb
2016-06-0716160002801ND
2016-06-0716160002701ND
2016-09-0816252007501ND
2016-09-0816252007201ND
2016-09-0816252007301ND
2016-09-0816252007401ND
2016-11-2816336001501ND
2016-11-2816336001801ND
2016-11-2816336001301ND
2016-11-2816336001401ND
2017-03-0617067002301ND
2017-03-06170670024012.10 ppb
2017-03-0617067003001ND
2017-03-0617067002501ND
2017-06-1917172005101ND
2017-06-1917172005201ND
2017-06-1917172005401ND
2017-06-1917172005301ND
2017-09-0517250002001ND
2017-09-0517250002101ND
2017-09-0517250002201ND
2017-09-0517250002301ND
2017-12-0417341003801ND
2017-12-04173410037012.10 ppb
2017-12-0417341003601ND
2017-12-0417341003501ND
2018-03-0518066000801ND
2018-03-05180660006012.50 ppb
2018-03-05180660005012.60 ppb
2018-03-05180660007012.80 ppb
2018-06-14181660001012.20 ppb
2018-06-14181660002014.40 ppb
2018-06-14181660004013.40 ppb
2018-06-14181660003013.30 ppb
2018-09-1118256009201ND
2018-09-1118256009101ND
2018-09-11182560090013.20 ppb
2018-09-1118256009301ND
2019-03-1319073000301ND
2019-03-1319073000101ND
2019-03-1319073000201ND
2019-03-1319073000401ND
2019-06-1819170001001ND
2019-06-18191700011012.20 ppb
2019-06-1819170001201ND
2019-06-1819170001301ND
2019-09-0519249000801ND
2019-09-0519249000901ND
2019-09-0519249001001ND
2019-09-0519249000701ND
2019-12-02193380036012.40 ppb
2019-12-02193380031013.10 ppb
2019-12-0219338003401ND
2019-12-0219338003501ND