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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Vandalia 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

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20146.31 ppb124ND - 21.8 ppb
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
2019ND80ND

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
2014-03-31AC21350ND
2014-03-31AC21351ND
2014-06-23AC2868919.1 ppb
2014-06-23AC2869020.8 ppb
2014-06-23AC28691ND
2014-06-23AC28692ND
2014-09-29AC3628221.8 ppb
2014-09-29AC3628114.0 ppb
2014-10-29AC37984ND
2014-10-29AC37983ND
2014-12-08AC39521ND
2014-12-08AC39522ND
2015-03-17AC43600ND
2015-03-17AC43601ND
2015-06-09AC51272ND
2015-06-09AC51273ND
2015-09-29AC59543ND
2015-09-29AC59542ND
2015-12-09AC63972ND
2015-12-09AC63973ND
2016-03-28AC67676ND
2016-03-28AC67675ND
2016-06-06AC74920ND
2016-06-06AC74921ND
2016-09-07AC83905ND
2016-09-07AC83904ND
2016-12-27AC88488ND
2016-12-27AC88487ND
2017-03-06AC92173ND
2017-03-06AC92174ND
2017-06-06AC98518ND
2017-06-06AC98517ND
2017-09-25AD06491ND
2017-09-25AD06492ND
2017-12-06AD10643ND
2017-12-06AD10642ND
2018-03-05AD16520ND
2018-03-05AD16521ND
2018-06-11AD27335ND
2018-06-11AD27334ND
2018-09-11AD32956ND
2018-09-11AD32957ND
2018-12-10AD36797ND
2018-12-10AD36798ND
2019-03-11AD40549ND
2019-03-11AD40550ND
2019-06-06AD49148ND
2019-06-06AD49149ND
2019-09-12AD55231ND
2019-09-12AD55232ND
2019-12-10AD59138ND
2019-12-10AD59139ND