Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

City of Haysville

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

 

96

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
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
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
2014-03-1176648ND
2014-03-1176647ND
2014-03-1176646ND
2014-03-1176645ND
2014-06-10126887ND
2014-06-10126886ND
2014-06-10126852ND
2014-06-10126851ND
2014-09-09191462ND
2014-09-09191460ND
2014-09-09191468ND
2014-09-09191470ND
2014-12-08243939ND
2014-12-08243938ND
2014-12-08243937ND
2014-12-08243936ND
2015-03-16296754ND
2015-03-16296753ND
2015-03-16296752ND
2015-03-16296751ND
2015-06-15349017ND
2015-06-15349018ND
2015-06-15349020ND
2015-06-15349019ND
2015-09-14405796ND
2015-09-14405795ND
2015-09-14405794ND
2015-09-14405793ND
2015-12-14461218ND
2015-12-14461217ND
2015-12-14461216ND
2015-12-14461215ND
2016-03-07506793ND
2016-03-07506792ND
2016-03-07506794ND
2016-03-07506795ND
2016-06-06559294ND
2016-06-06559293ND
2016-06-06559292ND
2016-06-06559291ND
2016-09-12621504ND
2016-09-12621503ND
2016-09-12621502ND
2016-09-12621501ND
2016-12-06668538ND
2016-12-06668541ND
2016-12-06668540ND
2016-12-06668539ND
2017-03-13723283ND
2017-03-13723282ND
2017-03-13723281ND
2017-03-13723280ND
2017-06-12776689ND
2017-06-12776688ND
2017-06-12776687ND
2017-06-12776686ND
2017-09-18842345ND
2017-09-18842344ND
2017-09-18842346ND
2017-09-18842347ND
2017-12-11891687ND
2017-12-11891686ND
2017-12-11891685ND
2017-12-11891684ND
2018-03-12936174ND
2018-03-12936173ND
2018-03-12936172ND
2018-03-12936171ND
2018-06-11986704ND
2018-06-11986705ND
2018-06-11986707ND
2018-06-11986706ND
2018-09-171044630ND
2018-09-171044629ND
2018-09-171044628ND
2018-09-171044627ND
2018-12-101089162ND
2018-12-101089161ND
2018-12-101089160ND
2018-12-101089159ND
2019-03-181139297ND
2019-03-181139296ND
2019-03-181139298ND
2019-03-181139299ND
2019-06-101184526ND
2019-06-101184525ND
2019-06-101184524ND
2019-06-101184523ND
2019-09-171243015ND
2019-09-171243014ND
2019-09-171243013ND
2019-09-171243012ND
2019-12-021281575ND
2019-12-021281579ND
2019-12-021281578ND
2019-12-021281576ND