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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Fond Du Lac Waterworks

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

 

90

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
20155.85 ppb162ND - 93.0 ppb
2016ND120ND
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
2014-02-17770783ND
2014-02-17770785ND
2014-05-14785685ND
2014-05-14785686ND
2014-05-14785687ND
2014-05-14785684ND
2014-08-12809931ND
2014-08-12809930ND
2014-08-12809928ND
2014-08-12809929ND
2014-11-11830917ND
2014-11-11830916ND
2014-11-11830914ND
2014-11-11830915ND
2015-02-16843829ND
2015-02-16843831ND
2015-02-16843832ND
2015-02-16843830ND
2015-05-18860210ND
2015-05-18860209ND
2015-05-18860211ND
2015-05-18860208ND
2015-08-178774470.520 ppb
2015-08-17877445ND
2015-08-17877448ND
2015-08-17877446ND
2015-11-11893800ND
2015-11-1189380193.0 ppb
2015-11-11893798ND
2015-11-11893799ND
2016-02-15905419ND
2016-02-15905421ND
2016-02-15905420ND
2016-02-15905422ND
2016-08-15939248ND
2016-08-15939247ND
2016-08-15939249ND
2016-08-15939250ND
2016-11-14958940ND
2016-11-14958942ND
2016-11-14958941ND
2016-11-14958939ND
2017-02-13973443ND
2017-02-13973446ND
2017-02-13973445ND
2017-02-13973444ND
2017-05-15990470ND
2017-05-15990469ND
2017-05-15990471ND
2017-05-15990472ND
2017-08-161011997ND
2017-08-161012000ND
2017-08-161011999ND
2017-08-161011998ND
2017-11-131029591ND
2017-11-131029592ND
2017-11-131029590ND
2017-11-131029593ND
2018-02-131040803ND
2018-02-131040800ND
2018-02-131040801ND
2018-02-131040802ND
2018-05-141055388ND
2018-05-141055389ND
2018-05-141055387ND
2018-05-141055386ND
2018-08-131073422ND
2018-08-131073425ND
2018-08-131073423ND
2018-08-131073424ND
2018-11-121092412ND
2018-11-121092413ND
2018-11-121092410ND
2018-11-121092411ND
2019-02-181105567ND
2019-02-181105568ND
2019-02-181105569ND
2019-02-181105566ND
2019-05-141121048ND
2019-05-141121046ND
2019-05-141121047ND
2019-05-141121045ND
2019-08-121140153ND
2019-08-121140151ND
2019-08-121140150ND
2019-08-121140152ND
2019-11-111160250ND
2019-11-111160249ND
2019-11-111160248ND
2019-11-111160247ND