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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Norfolk

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND160ND
2016ND160ND
20173.55 ppb163ND - 46.5 ppb
20180.133 ppb161ND - 2.12 ppb
2019ND160ND

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
2014-08-25318957ND
2014-08-25318956ND
2014-08-25318954ND
2014-08-25318955ND
2014-12-01335657ND
2014-12-01335656ND
2014-12-01335658ND
2014-12-01335659ND
2015-02-23348697ND
2015-02-23348699ND
2015-02-23348698ND
2015-02-23348696ND
2015-06-08364936ND
2015-06-08364937ND
2015-06-08364938ND
2015-06-08364935ND
2015-08-24378719ND
2015-08-24378720ND
2015-08-24378721ND
2015-08-24378718ND
2015-11-30399138ND
2015-11-30399137ND
2015-11-30399136ND
2015-11-30399135ND
2016-02-22ND
2016-02-22ND
2016-02-22ND
2016-02-22ND
2016-06-06ND
2016-06-06ND
2016-06-06ND
2016-06-06ND
2016-08-22ND
2016-08-22ND
2016-08-22ND
2016-08-22ND
2016-11-28ND
2016-11-28ND
2016-11-28ND
2016-11-28ND
2017-02-27ND
2017-02-27ND
2017-02-27ND
2017-02-27ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-08-2846.5 ppb
2017-08-287.12 ppb
2017-08-28ND
2017-08-283.21 ppb
2017-11-27ND
2017-11-27ND
2017-11-27ND
2017-11-27ND
2018-02-26534048ND
2018-02-26534047ND
2018-02-26534046ND
2018-02-26534045ND
2018-05-29549767ND
2018-05-29549764ND
2018-05-29549765ND
2018-05-29549766ND
2018-08-27568462ND
2018-08-27568461ND
2018-08-27568460ND
2018-08-27568459ND
2018-11-26583424ND
2018-11-26583425ND
2018-11-26583426ND
2018-11-265834272.12 ppb
2019-02-26595194ND
2019-02-26595195ND
2019-02-26595196ND
2019-02-26595197ND
2019-05-28605748ND
2019-05-28605751ND
2019-05-28605750ND
2019-05-28605749ND
2019-08-26628207ND
2019-08-26628209ND
2019-08-26628208ND
2019-08-26628206ND
2019-12-02644928ND
2019-12-02644927ND
2019-12-02644926ND
2019-12-02644925ND