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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Coralville Muni Water System

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

 

26

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
20140.313 ppb162ND - 3.00 ppb
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-01-132030317ND
2014-01-132030318ND
2014-01-132030319ND
2014-01-132030316ND
2014-04-142045967ND
2014-04-142045974ND
2014-04-1420459753.00 ppb
2014-04-1420459762.00 ppb
2014-07-162064214ND
2014-07-162064215ND
2014-07-162064216ND
2014-07-162064217ND
2014-10-172086564ND
2014-10-172086566ND
2014-10-172086565ND
2014-10-172086562ND
2015-07-20OE269320ND
2015-07-20OE269321ND
2016-07-19OE403115ND
2016-07-19OE403114ND
2017-07-11OE535095ND
2017-07-11OE535096ND
2018-07-20OE686441ND
2018-07-20OE686442ND
2019-07-23OE838838ND
2019-07-23OE838839ND