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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of De Leon

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND50ND
20170.963 ppb81ND - 7.70 ppb
2018ND80ND
20190.850 ppb81ND - 6.80 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
2014-03-13AC46962ND
2014-06-26AC58213ND
2014-09-24AC68077ND
2014-12-02AC73341ND
2015-02-19AC81322ND
2015-04-08AC87701ND
2015-08-05AD02632ND
2015-10-06AD09607ND
2016-01-13AD17878ND
2016-04-14AD33187ND
2016-07-11AD43583ND
2016-10-12AD53148ND
2016-10-12AD53149ND
2017-03-15AD75411ND
2017-03-15AD75406ND
2017-05-16AD84646ND
2017-05-16AD84649ND
2017-07-10AD88814ND
2017-07-10AD88817ND
2017-11-15AE05176ND
2017-11-15AE051697.70 ppb
2018-02-27AE15993ND
2018-02-27AE15991ND
2018-06-04AE28446ND
2018-06-04AE28450ND
2018-09-12AE39979ND
2018-09-12AE39977ND
2018-11-20AE46582ND
2018-11-20AE46586ND
2019-02-28AE56546ND
2019-02-28AE56545ND
2019-05-29AE68355ND
2019-05-29AE68356ND
2019-08-07AE77396ND
2019-08-07AE77400ND
2019-11-06AE886276.80 ppb
2019-11-06AE88628ND