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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Sandy City 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

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND200ND
2015ND160ND
2016ND160ND
2017ND160ND
20181.09 ppb1611ND - 2.15 ppb
20190.985 ppb1612ND - 1.74 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 Result
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-01-02ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-04-03ND
2014-07-23ND
2014-07-23ND
2014-07-23ND
2014-07-23ND
2015-01-09ND
2015-01-09ND
2015-01-09ND
2015-01-09ND
2015-04-07ND
2015-04-07ND
2015-04-07ND
2015-04-07ND
2015-07-07ND
2015-07-07ND
2015-07-07ND
2015-07-07ND
2015-10-05ND
2015-10-05ND
2015-10-05ND
2015-10-05ND
2016-01-22ND
2016-01-22ND
2016-01-22ND
2016-01-22ND
2016-04-19ND
2016-04-19ND
2016-04-19ND
2016-04-19ND
2016-07-19ND
2016-07-19ND
2016-07-19ND
2016-07-19ND
2016-10-06ND
2016-10-06ND
2016-10-06ND
2016-10-06ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-04-28ND
2017-04-28ND
2017-04-28ND
2017-04-28ND
2017-08-17ND
2017-08-17ND
2017-08-17ND
2017-08-17ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2018-01-24ND
2018-01-24ND
2018-01-24ND
2018-01-24ND
2018-05-081.50 ppb
2018-05-081.68 ppb
2018-05-081.73 ppb
2018-05-081.74 ppb
2018-07-301.28 ppb
2018-07-301.72 ppb
2018-07-302.15 ppb
2018-07-302.11 ppb
2018-11-08ND
2018-11-081.24 ppb
2018-11-081.13 ppb
2018-11-081.15 ppb
2019-02-05ND
2019-02-05ND
2019-02-051.28 ppb
2019-02-05ND
2019-05-011.50 ppb
2019-05-011.74 ppb
2019-05-011.56 ppb
2019-05-011.67 ppb
2019-08-051.14 ppb
2019-08-051.09 ppb
2019-08-051.18 ppb
2019-08-051.14 ppb
2019-10-241.12 ppb
2019-10-24ND
2019-10-241.27 ppb
2019-10-241.07 ppb