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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

De Pere Water Department

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

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.134 ppb163ND - 0.790 ppb
2015ND120ND
2016ND170ND
2017ND160ND
20180.249 ppb165ND - 1.30 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
2014-01-20766980ND
2014-01-20766979ND
2014-01-20766981ND
2014-01-20766978ND
2014-04-227818750.620 ppb
2014-04-227818770.730 ppb
2014-04-227818740.790 ppb
2014-04-22781876ND
2014-07-17803778ND
2014-07-17803780ND
2014-07-17803779ND
2014-07-17803781ND
2014-10-20826430ND
2014-10-20826432ND
2014-10-20826433ND
2014-10-20826431ND
2015-01-21839983ND
2015-01-21839982ND
2015-01-21839981ND
2015-01-21839980ND
2015-04-22855724ND
2015-04-22855722ND
2015-04-22855725ND
2015-04-22855723ND
2015-10-14889143ND
2015-10-14889144ND
2015-10-14889142ND
2015-10-14889145ND
2016-01-20902187ND
2016-01-20902185ND
2016-01-20902184ND
2016-01-20902186ND
2016-04-19916369ND
2016-04-19916372ND
2016-04-19916370ND
2016-04-19916371ND
2016-07-19934222ND
2016-07-19934224ND
2016-07-19934221ND
2016-07-19934223ND
2016-10-19954476ND
2016-10-19954474ND
2016-10-19954472ND
2016-10-19954472ND
2016-10-19954478ND
2017-01-18970461ND
2017-01-18970465ND
2017-01-18970462ND
2017-01-18970464ND
2017-04-24984988ND
2017-04-24984990ND
2017-04-24984989ND
2017-04-24984987ND
2017-07-181004611ND
2017-07-181004609ND
2017-07-181004610ND
2017-07-181004608ND
2017-10-171024655ND
2017-10-171024654ND
2017-10-171024653ND
2017-10-171024652ND
2018-01-171037653ND
2018-01-171037652ND
2018-01-171037654ND
2018-01-171037655ND
2018-04-241051601ND
2018-04-241051599ND
2018-04-241051598ND
2018-04-241051600ND
2018-07-1710677141.30 ppb
2018-07-1710677130.990 ppb
2018-07-171067711ND
2018-07-171067712ND
2018-10-1710878110.480 ppb
2018-10-1710878100.740 ppb
2018-10-171087812ND
2018-10-1710878130.470 ppb
2019-01-221102375ND
2019-01-221102374ND
2019-01-221102373ND
2019-01-221102372ND
2019-04-171116060ND
2019-04-171116061ND
2019-04-171116059ND
2019-04-171116062ND
2019-07-161134724ND
2019-07-161134723ND
2019-07-161134722ND
2019-07-161134725ND
2019-10-151155026ND
2019-10-151155027ND
2019-10-151155025ND
2019-10-151155028ND