Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

City of Auburn

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

 

138

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND320ND
2015ND320ND
2016ND310ND
2017ND310ND
2018ND100ND
2019ND20ND

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
2014-02-1182940ND
2014-02-1182939ND
2014-02-1182944ND
2014-02-1182941ND
2014-02-1182943ND
2014-02-1182937ND
2014-02-1182938ND
2014-02-1182942ND
2014-05-0783069ND
2014-05-0783073ND
2014-05-0783071ND
2014-05-0783066ND
2014-05-0783070ND
2014-05-0783072ND
2014-05-0783068ND
2014-05-0783067ND
2014-08-2883521ND
2014-08-2883528ND
2014-08-2883523ND
2014-08-2883520ND
2014-08-2883526ND
2014-08-2883524ND
2014-08-2883522ND
2014-08-2883527ND
2014-11-1883831ND
2014-11-1883825ND
2014-11-1883829ND
2014-11-1883828ND
2014-11-1883827ND
2014-11-1883832ND
2014-11-1883830ND
2014-11-1883826ND
2015-02-1183983ND
2015-02-1183990ND
2015-02-1183984ND
2015-02-1183985ND
2015-02-1183986ND
2015-02-1183989ND
2015-02-1183987ND
2015-02-1183988ND
2015-05-2184204ND
2015-05-2184205ND
2015-05-2184200ND
2015-05-2184203ND
2015-05-2184202ND
2015-05-2184206ND
2015-05-2184201ND
2015-05-2184207ND
2015-09-1684585ND
2015-09-1684588ND
2015-09-1684583ND
2015-09-1684582ND
2015-09-1684584ND
2015-09-1684586ND
2015-09-1684589ND
2015-09-1684587ND
2015-11-0584704ND
2015-11-0584705ND
2015-11-0584700ND
2015-11-0584703ND
2015-11-0584702ND
2015-11-0584706ND
2015-11-0584701ND
2015-11-0584707ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-06-02ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-08-10ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2016-11-03ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-03-22ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-05-04ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-02-08ND
2018-08-16ND
2018-08-16ND
2019-07-01ND
2019-07-01ND