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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Urban Bluffs - North

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
20150.250 ppb81ND - 2.00 ppb
20160.375 ppb81ND - 3.00 ppb
2017ND80ND
20180.375 ppb81ND - 3.00 ppb
20190.250 ppb81ND - 2.00 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
2014-01-142030335ND
2014-01-142030336ND
2014-04-072043816ND
2014-04-072043818ND
2014-07-082062138ND
2014-07-082062139ND
2014-10-072085084ND
2014-10-072085083ND
2015-01-13OE209714ND
2015-01-13OE209715ND
2015-04-07OE228561ND
2015-04-07OE228562ND
2015-07-08OE265045ND
2015-07-08OE265044ND
2015-10-05OE3021112.00 ppb
2015-10-05OE302110ND
2016-01-05OE332438ND
2016-01-05OE332439ND
2016-04-04OE361682ND
2016-04-04OE361683ND
2016-07-12OE4003683.00 ppb
2016-07-12OE400367ND
2016-10-10OE438957ND
2016-10-10OE438956ND
2017-01-03OE466821ND
2017-01-03OE466820ND
2017-04-05OE498695ND
2017-04-05OE498694ND
2017-07-11OE535870ND
2017-07-11OE535871ND
2017-10-11OE577065ND
2017-10-11OE577066ND
2018-01-10OE609829ND
2018-01-10OE609828ND
2018-04-03OE640847ND
2018-04-03OE6408483.00 ppb
2018-07-17OE685060ND
2018-07-17OE685061ND
2018-10-17OE728818ND
2018-10-17OE728819ND
2019-01-15OE760911ND
2019-01-15OE760912ND
2019-04-09OE7923352.00 ppb
2019-04-09OE792336ND
2019-07-17OE836558ND
2019-07-17OE836559ND
2019-10-16OE880914ND
2019-10-16OE880913ND