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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Harry S Truman Public Water Supply District 2

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
20190.716 ppb81ND - 5.73 ppb

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
2014-02-05AC18098ND
2014-02-05AC18097ND
2014-05-05AC23106ND
2014-05-05AC23105ND
2014-08-18AC33129ND
2014-08-18AC33130ND
2014-11-05AC38151ND
2014-11-05AC38152ND
2015-02-04AC41875ND
2015-02-04AC41874ND
2015-05-11AC46454ND
2015-05-11AC46453ND
2015-09-16AC57292ND
2015-09-16AC57291ND
2015-11-11AC62707ND
2015-11-11AC62708ND
2016-02-22AC66250ND
2016-02-22AC66249ND
2016-05-31AC71942ND
2016-05-31AC71943ND
2016-09-26AC83826ND
2016-09-26AC83825ND
2016-12-20AC86841ND
2016-12-20AC86842ND
2017-02-24AC90706ND
2017-02-24AC90705ND
2017-05-16AC95675ND
2017-05-16AC95676ND
2017-08-14AD03254ND
2017-08-14AD03253ND
2017-11-27AD09388ND
2017-11-27AD09389ND
2018-02-27AD14176ND
2018-02-27AD14175ND
2018-05-30AD20412ND
2018-05-30AD20411ND
2018-08-22AD31074ND
2018-08-22AD31075ND
2018-12-18AD35622ND
2018-12-18AD35621ND
2019-02-26AD39289ND
2019-02-26AD39290ND
2019-05-22AD47370ND
2019-05-22AD47371ND
2019-08-27AD53798ND
2019-08-27AD53799ND
2019-11-26AD579965.73 ppb
2019-11-26AD57997ND