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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Scioto County Regional Water District #1

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
2016ND120ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-01-13A140176379ND
2014-01-13A140176378ND
2014-01-13A140176377ND
2014-01-13A140176376ND
2014-04-09A140101483ND
2014-04-09A140101482ND
2014-04-09A140101481ND
2014-04-09A140101480ND
2014-07-09A140191184ND
2014-07-09A140191183ND
2014-07-09A140191185ND
2014-07-09A140191186ND
2014-10-08A140217383ND
2014-10-08A140217384ND
2014-10-08A140217385ND
2014-10-08A140217386ND
2015-01-14A150231651ND
2015-01-14A150231649ND
2015-01-14A150231652ND
2015-01-14A150231650ND
2015-04-08A150231783ND
2015-04-08A150231782ND
2015-04-08A150231781ND
2015-04-08A150231780ND
2015-07-08A150285515ND
2015-07-08A150285513ND
2015-07-08A150285512ND
2015-07-08A150285514ND
2015-10-13A150328583ND
2015-10-13A150328584ND
2015-10-13A150328585ND
2015-10-13A150328586ND
2016-01-11A160332085ND
2016-01-11A160332086ND
2016-01-11A160332084ND
2016-01-11A160332083ND
2016-04-13A160374780ND
2016-04-13A160374781ND
2016-04-13A160374782ND
2016-04-13A160374789ND
2016-07-13A160399137ND
2016-07-13A160399138ND
2016-07-13A160399139ND
2016-07-13A160399140ND
2017-07-05A170374790ND
2017-07-05A170498362ND
2018-07-10A180399141ND
2018-07-10A180570985ND
2019-08-079H01235-02ND
2019-08-079H01235-03ND