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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Garden City PWS

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

 

26

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
2014ND80ND
20153.28 ppb81ND - 26.2 ppb
2016ND80ND
2017ND20ND
2018N/A00N/A
2019N/A00N/A

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
2014-01-13AC16618ND
2014-01-13AC16617ND
2014-04-28AC21524ND
2014-04-28AC21525ND
2014-07-21AC30519ND
2014-07-21AC30520ND
2014-10-15AC37590ND
2014-10-15AC37591ND
2015-01-20AC40315ND
2015-01-20AC40314ND
2015-04-22AC44999ND
2015-04-22AC4499826.2 ppb
2015-07-21AC54203ND
2015-07-21AC54202ND
2015-10-19AC61158ND
2015-10-19AC61157ND
2016-01-26AC64963ND
2016-02-04AC67155ND
2016-04-26AC69322ND
2016-04-26AC69321ND
2016-09-28AC83734ND
2016-09-28AC83735ND
2016-11-28AC86232ND
2016-11-28AC86231ND
2017-07-27AD01318ND
2017-07-27AD01319ND