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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Milwaukee 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

 

161

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
2014ND320ND
2015ND320ND
2016ND250ND
2017ND240ND
2018ND240ND
2019ND240ND

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
2014-02-182976345,47ND
2014-02-182976339,41ND
2014-02-182976315,17ND
2014-02-182976333,35ND
2014-02-182976321,23ND
2014-02-182976327,29ND
2014-02-182976309,11ND
2014-02-182976303,05ND
2014-05-213031751,53ND
2014-05-213031733,35ND
2014-05-213031757,59ND
2014-05-213031727,29ND
2014-05-213031715,17ND
2014-05-213031721,23ND
2014-05-213031739,41ND
2014-05-213031745,47ND
2014-08-183086037,39ND
2014-08-183086025,27ND
2014-08-183086043,45ND
2014-08-183086031,33ND
2014-08-193086541,43ND
2014-08-193086547,49ND
2014-08-193086529,31ND
2014-08-193086535,37ND
2014-11-183141107,09ND
2014-11-183141112,14ND
2014-11-183141087,89ND
2014-11-183141117,19ND
2014-11-183141097,99ND
2014-11-183141102,04ND
2014-11-183141092,94ND
2014-11-183141082,84ND
2015-02-173189159,61ND
2015-02-173189193,95ND
2015-02-173189172,74ND
2015-02-173189200,02ND
2015-02-173189186,88ND
2015-02-173189207,09ND
2015-02-173189166,68ND
2015-02-173189179,81ND
2015-05-193245993,95ND
2015-05-193245958,60ND
2015-05-193245968,70ND
2015-05-193245988,90ND
2015-05-193245983,85ND
2015-05-193245978,80ND
2015-05-193245963,65ND
2015-05-193245973,75ND
2015-08-183304258,60ND
2015-08-183304253,55ND
2015-08-183304265,67ND
2015-08-183304270,72ND
2015-08-193305460,62ND
2015-08-193305470,72ND
2015-08-193305465,67ND
2015-08-193305454,56ND
2015-11-193362659,61ND
2015-11-193362699,701ND
2015-11-193362694,96ND
2015-11-193362664,66ND
2015-11-193362704,06ND
2015-11-193362689,91ND
2015-11-193362676,78ND
2015-11-193362671,73ND
2016-02-233405120-21ND
2016-02-233405126-27ND
2016-02-233405122-23ND
2016-02-233405124-25ND
2016-02-233405130-31ND
2016-02-233405128-29ND
2016-05-183452933-34ND
2016-05-183452929-30ND
2016-05-183452925-26ND
2016-05-183452931-32ND
2016-05-183452927-28ND
2016-05-183452935-36ND
2016-08-243536504-05ND
2016-08-243536514-15ND
2016-08-253536520-21ND
2016-08-253536522-23ND
2016-08-253536516-17ND
2016-08-253536518-19ND
2016-09-153546842-43ND
2016-11-153587005-06ND
2016-11-153587015-16ND
2016-11-153587013-14ND
2016-11-153587011-12ND
2016-11-153587007-08ND
2016-11-153587009-10ND
2017-02-203642404-05ND
2017-02-203642400-01ND
2017-02-203642408-09ND
2017-02-203642406-07ND
2017-02-203642410-11ND
2017-02-203642402-03ND
2017-05-223698707-08ND
2017-05-223698715-16ND
2017-05-223698709-10ND
2017-05-223698717-18ND
2017-05-223698713-14ND
2017-05-223698711-12ND
2017-08-173760790-91ND
2017-08-173760788-89ND
2017-08-173760792-93ND
2017-08-173760786-87ND
2017-08-173760782-83ND
2017-08-173760784-85ND
2017-11-153822385-86ND
2017-11-153822389-90ND
2017-11-153822383-84ND
2017-11-153822391-92ND
2017-11-153822387-88ND
2017-11-153822393-94ND
2018-02-193875576-77ND
2018-02-193875574-75ND
2018-02-193875578-79ND
2018-02-193875568-69ND
2018-02-193875572-73ND
2018-02-193875570-71ND
2018-05-213942381-82ND
2018-05-213942377-78ND
2018-05-213942387-88ND
2018-05-213942383-84ND
2018-05-213942379-80ND
2018-05-213942385-86ND
2018-08-204028807-08ND
2018-08-204028811-12ND
2018-08-204028805-06ND
2018-08-204028803-04ND
2018-08-204028809-10ND
2018-08-204028801-02ND
2018-11-154123908-09ND
2018-11-154123900-01ND
2018-11-154123902-03ND
2018-11-154123906-07ND
2018-11-154123910-11ND
2018-11-154123904-05ND
2019-02-184202107-08ND
2019-02-184202109-10ND
2019-02-184202103-04ND
2019-02-184202101-02ND
2019-02-184202105-06ND
2019-02-184202099-100ND
2019-05-204301663-64ND
2019-05-204301659-60ND
2019-05-204301661-62ND
2019-05-204301653-54ND
2019-05-204301657-58ND
2019-05-204301655-56ND
2019-08-194391818-19ND
2019-08-194391822-23ND
2019-08-194391816-17ND
2019-08-194391820-21ND
2019-08-194391814-15ND
2019-08-194391824-25ND
2019-11-184489288-89ND
2019-11-184489282-83ND
2019-11-184489280-81ND
2019-11-184489278-79ND
2019-11-184489284-85ND
2019-11-184489286-87ND