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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Jordan Valley Water Conservancy District

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
20140.249 ppb323ND - 2.77 ppb
20150.182 ppb322ND - 3.57 ppb
20160.224 ppb323ND - 2.60 ppb
20170.283 ppb334ND - 2.63 ppb
20180.180 ppb242ND - 2.29 ppb
2019ND80ND

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 Result
2014-01-06ND
2014-01-06ND
2014-01-06ND
2014-01-06ND
2014-01-06ND
2014-01-06ND
2014-01-07ND
2014-01-07ND
2014-04-07ND
2014-04-07ND
2014-04-07ND
2014-04-07ND
2014-04-07ND
2014-04-07ND
2014-04-08ND
2014-04-08ND
2014-07-072.52 ppb
2014-07-07ND
2014-07-07ND
2014-07-07ND
2014-07-07ND
2014-07-07ND
2014-07-07ND
2014-07-07ND
2014-10-062.77 ppb
2014-10-06ND
2014-10-06ND
2014-10-062.68 ppb
2014-10-06ND
2014-10-06ND
2014-10-06ND
2014-10-06ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-04-06ND
2015-04-06ND
2015-04-06ND
2015-04-06ND
2015-04-06ND
2015-04-06ND
2015-04-06ND
2015-04-07ND
2015-07-062.26 ppb
2015-07-06ND
2015-07-06ND
2015-07-06ND
2015-07-06ND
2015-07-06ND
2015-07-06ND
2015-07-06ND
2015-10-05ND
2015-10-05ND
2015-10-05ND
2015-10-053.57 ppb
2015-10-05ND
2015-10-05ND
2015-10-05ND
2015-10-05ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-01-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-07-07ND
2016-10-032.02 ppb
2016-10-032.56 ppb
2016-10-03ND
2016-10-03ND
2016-10-032.60 ppb
2016-10-03ND
2016-10-03ND
2016-10-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-03ND
2017-01-18ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-04-03ND
2017-07-052.63 ppb
2017-07-05ND
2017-07-05ND
2017-07-05ND
2017-07-05ND
2017-07-052.29 ppb
2017-07-05ND
2017-07-052.18 ppb
2017-10-022.24 ppb
2017-10-02ND
2017-10-02ND
2017-10-02ND
2017-10-02ND
2017-10-02ND
2017-10-02ND
2017-10-02ND
2018-01-022.04 ppb
2018-01-02ND
2018-01-02ND
2018-01-02ND
2018-01-02ND
2018-01-02ND
2018-01-02ND
2018-01-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-022.29 ppb
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2018-07-02ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND