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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

South Weber 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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
20151.11 ppb81ND - 8.90 ppb
2016ND60ND
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
2014-02-06ND
2014-02-06ND
2014-07-02ND
2014-07-02ND
2014-11-25ND
2014-11-25ND
2015-03-12ND
2015-03-12ND
2015-05-13ND
2015-05-13ND
2015-08-278.90 ppb
2015-08-27ND
2015-11-18ND
2015-11-18ND
2016-05-23ND
2016-05-23ND
2016-08-18ND
2016-08-18ND
2016-11-09ND
2016-11-09ND
2017-02-22ND
2017-02-22ND
2017-05-17ND
2017-05-17ND
2017-08-24ND
2017-08-24ND
2017-11-16ND
2017-11-16ND
2018-02-13ND
2018-02-13ND
2018-05-17ND
2018-05-17ND
2018-08-15ND
2018-08-15ND
2018-11-14ND
2018-11-14ND
2019-02-14ND
2019-02-14ND
2019-05-16ND
2019-05-16ND
2019-08-29ND
2019-08-29ND
2019-11-18ND
2019-11-18ND