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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Utilities Inc. - North Folsom Hills

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND120ND
2016ND120ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-08-0835149864018ND
2014-08-0835149864017ND
2014-08-0835149864018ND
2014-08-0835149864017ND
2014-12-1035167544002ND
2014-12-1035167544002ND
2014-12-1135167544001ND
2014-12-1135167544001ND
2015-05-1235188077001ND
2015-05-1235188077002ND
2015-05-1235188077002ND
2015-05-1235188077001ND
2015-08-251422145ND
2015-08-251422146ND
2015-08-251422145ND
2015-08-251422146ND
2015-11-171445084ND
2015-11-171445085ND
2015-11-171445084ND
2015-11-171445085ND
2016-02-181469068ND
2016-02-181469069ND
2016-02-181469069ND
2016-02-181469068ND
2016-05-091489804ND
2016-05-091489802ND
2016-05-091489804ND
2016-05-091489802ND
2016-08-021512494ND
2016-08-021512495ND
2016-08-021512494ND
2016-08-021512495ND
2017-08-0835329292031ND
2017-08-0835329292031ND
2017-08-0835329292030ND
2017-08-0835329292030ND
2018-08-0235408655002ND
2018-08-0235408655001ND
2018-08-0235408655001ND
2018-08-0235408655002ND
2019-08-0735488459001ND
2019-08-0735488459002ND
2019-08-0735488459001ND
2019-08-0735488459002ND