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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Gentry County Public Water Supply 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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
20160.851 ppb81ND - 6.81 ppb
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
2014-06-22AC28566ND
2014-06-22AC28565ND
2015-06-18AC51203ND
2015-06-18AC51204ND
2015-12-21AC63928ND
2016-03-30AC67627ND
2016-03-30AC676266.81 ppb
2016-06-15AC74854ND
2016-06-15AC74855ND
2016-09-29AC83822ND
2016-09-29AC83821ND
2016-12-24AC88910ND
2016-12-24AC88909ND
2017-03-18AC92125ND
2017-03-18AC92124ND
2017-06-17AC98448ND
2017-06-17AC98447ND
2017-09-18AD06431ND
2017-09-18AD06430ND
2017-12-19AD10593ND
2017-12-19AD10594ND
2018-03-27AD16472ND
2018-03-27AD16471ND
2018-06-25AD27269ND
2018-06-27AD27270ND
2018-09-22AD32900ND
2018-09-22AD32901ND
2018-12-29AD36761ND
2018-12-29AD36760ND
2019-03-13AD40499ND
2019-03-13AD40500ND
2019-06-22AD49078ND
2019-06-22AD49079ND
2019-10-08AD55169ND
2019-10-08AD55168ND
2019-12-17AD59082ND
2019-12-17AD59083ND