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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Palmer Water District No.1

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

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
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
2015-02-10ND
2015-02-10ND
2015-04-22ND
2015-04-22ND
2015-08-10ND
2015-08-10ND
2015-11-16ND
2015-11-16ND
2016-02-02ND
2016-02-02ND
2016-05-10ND
2016-05-10ND
2016-08-09ND
2016-08-09ND
2016-11-15ND
2016-11-15ND
2017-03-16ND
2017-03-16ND
2017-04-11ND
2017-04-11ND
2017-07-18ND
2017-07-18ND
2017-11-01ND
2017-11-01ND
2018-02-06ND
2018-02-13ND
2018-04-10ND
2018-04-10ND
2018-07-11ND
2018-07-11ND
2018-10-10ND
2018-10-10ND
2019-01-08ND
2019-01-08ND
2019-04-10ND
2019-04-10ND
2019-07-10ND
2019-07-10ND
2019-10-07ND
2019-10-07ND