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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Grand Chute Tn San 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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.239 ppb163ND - 1.50 ppb
2015ND160ND
20160.0544 ppb161ND - 0.870 ppb
2017ND160ND
20180.0413 ppb161ND - 0.660 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
2014-01-14766574ND
2014-01-14766575ND
2014-01-14766576ND
2014-01-14766577ND
2014-04-15780906ND
2014-04-15780905ND
2014-04-15780904ND
2014-04-15780907ND
2014-07-158034371.40 ppb
2014-07-158034361.50 ppb
2014-07-158034380.930 ppb
2014-07-15803435ND
2014-10-14825989ND
2014-10-14825991ND
2014-10-14825990ND
2014-10-14825988ND
2015-01-14839089ND
2015-01-14839091ND
2015-01-14839092ND
2015-01-14839090ND
2015-04-14854140ND
2015-04-14854139ND
2015-04-14854142ND
2015-04-14854141ND
2015-07-15871258ND
2015-07-15871257ND
2015-07-15871256ND
2015-07-15871259ND
2015-10-13888740ND
2015-10-13888743ND
2015-10-13888742ND
2015-10-13888741ND
2016-01-19902072ND
2016-01-19902070ND
2016-01-19902071ND
2016-01-19902073ND
2016-04-19916382ND
2016-04-19916381ND
2016-04-19916379ND
2016-04-19916380ND
2016-07-12933158ND
2016-07-12933159ND
2016-07-12933157ND
2016-07-129331560.870 ppb
2016-10-11953094ND
2016-10-11953091ND
2016-10-11953092ND
2016-10-11953093ND
2017-01-18970517ND
2017-01-18970515ND
2017-01-18970516ND
2017-01-18970514ND
2017-04-18984226ND
2017-04-18984228ND
2017-04-18984225ND
2017-04-18984227ND
2017-07-181005529ND
2017-07-181005530ND
2017-07-181005528ND
2017-07-181005531ND
2017-10-171025096ND
2017-10-171025094ND
2017-10-171025095ND
2017-10-171025093ND
2018-01-161037464ND
2018-01-161037463ND
2018-01-161037462ND
2018-01-161037465ND
2018-04-171050805ND
2018-04-171050807ND
2018-04-171050804ND
2018-04-171050806ND
2018-07-171067883ND
2018-07-171067884ND
2018-07-171067882ND
2018-07-171067881ND
2018-10-161087782ND
2018-10-1610877850.660 ppb
2018-10-161087784ND
2018-10-161087783ND
2019-01-151101687ND
2019-01-151101686ND
2019-01-151101688ND
2019-01-151101685ND
2019-04-161116132ND
2019-04-161116131ND
2019-04-161116133ND
2019-04-161116130ND
2019-07-161135278ND
2019-07-161135279ND
2019-07-161135277ND
2019-07-161135280ND
2019-10-151155655ND
2019-10-151155656ND
2019-10-151155658ND
2019-10-151155657ND