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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Brown Deer 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

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
20150.0938 ppb161ND - 1.50 ppb
2016ND160ND
2017ND160ND
20180.0406 ppb161ND - 0.650 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
2014-03-04773265ND
2014-03-04773264ND
2014-03-04773262ND
2014-06-04794532ND
2014-06-04794534ND
2014-06-04794531ND
2014-06-04794533ND
2014-08-26813416ND
2014-08-26813417ND
2014-08-26813418ND
2014-08-26813415ND
2014-11-24833060ND
2014-11-24833057ND
2014-11-24833058ND
2014-11-24833059ND
2015-03-05846737ND
2015-03-05846736ND
2015-03-05846735ND
2015-03-058467341.50 ppb
2015-05-28862175ND
2015-05-28862172ND
2015-05-28862173ND
2015-05-28862174ND
2015-08-27879513ND
2015-08-27879516ND
2015-08-27879515ND
2015-08-27879514ND
2015-11-30895720ND
2015-11-30895721ND
2015-11-30895718ND
2015-11-30895719ND
2016-03-03908050ND
2016-03-03908049ND
2016-03-03908052ND
2016-03-03908051ND
2016-06-01923979ND
2016-06-01923980ND
2016-06-01923981ND
2016-06-01923978ND
2016-08-30942586ND
2016-08-30942585ND
2016-08-30942584ND
2016-08-30942583ND
2016-11-29961458ND
2016-11-29961456ND
2016-11-29961457ND
2016-11-29961459ND
2017-03-01975577ND
2017-03-01975579ND
2017-03-01975578ND
2017-03-01975576ND
2017-05-30994101ND
2017-05-30994103ND
2017-05-30994104ND
2017-05-30994102ND
2017-09-051015876ND
2017-09-051015875ND
2017-09-051015874ND
2017-09-051015873ND
2017-11-291031289ND
2017-11-291031290ND
2017-11-291031288ND
2017-12-041031738ND
2018-03-061043764ND
2018-03-061043765ND
2018-03-061043767ND
2018-03-061043766ND
2018-06-051058920ND
2018-06-051058918ND
2018-06-051058919ND
2018-06-051058921ND
2018-08-291077074ND
2018-08-291077073ND
2018-08-291077072ND
2018-08-291077071ND
2018-11-261094174ND
2018-11-2610941750.650 ppb
2018-11-261094173ND
2018-11-261094176ND
2019-03-041107598ND
2019-03-041107600ND
2019-03-041107599ND
2019-03-041107597ND
2019-06-031124573ND
2019-06-031124574ND
2019-06-031124572ND
2019-06-031124575ND
2019-08-281144335ND
2019-08-281144334ND
2019-08-281144337ND
2019-08-281144336ND
2019-11-251162591ND
2019-11-251162592ND
2019-11-251162590ND
2019-12-021162832ND