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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Suburban Water Systems - San Jose 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.

MORE ABOUT THIS CONTAMINANT

 

192

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND320ND
2015ND320ND
2016ND320ND
2017ND320ND
2018ND320ND
2019ND320ND

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
2014-01-229588-800-1040ND
2014-01-229588-801-1025ND
2014-01-229588-802-1110ND
2014-01-229588-803-1000ND
2014-01-229588-804-1020ND
2014-01-229588-805-1100ND
2014-01-229588-806-0940ND
2014-01-229588-807-1010ND
2014-04-219588-800-0940ND
2014-04-219588-801-0930ND
2014-04-219588-802-1000ND
2014-04-219588-803-0905ND
2014-04-219588-804-0920ND
2014-04-219588-805-0950ND
2014-04-219588-806-0855ND
2014-04-219588-807-0910ND
2014-07-229588-800-0955ND
2014-07-229588-801-0940ND
2014-07-229588-802-1015ND
2014-07-229588-803-0920ND
2014-07-229588-804-0945ND
2014-07-229588-805-1005ND
2014-07-229588-806-0915ND
2014-07-229588-807-0930ND
2014-10-229588-800-1010ND
2014-10-229588-801-0950ND
2014-10-229588-802-1030ND
2014-10-229588-803-0930ND
2014-10-229588-804-0955ND
2014-10-229588-805-1020ND
2014-10-229588-806-0915ND
2014-10-229588-807-0940ND
2015-01-229588-800-1005ND
2015-01-229588-801-0945ND
2015-01-229588-802-1025ND
2015-01-229588-803-0925ND
2015-01-229588-804-0955ND
2015-01-229588-805-1015ND
2015-01-229588-806-0915ND
2015-01-229588-807-0935ND
2015-04-219588-800-1010ND
2015-04-219588-801-0950ND
2015-04-219588-802-1030ND
2015-04-219588-803-0930ND
2015-04-219588-804-1000ND
2015-04-219588-805-1020ND
2015-04-219588-806-0920ND
2015-04-219588-807-0940ND
2015-07-229588-800-0930ND
2015-07-229588-801-0905ND
2015-07-229588-802-0945ND
2015-07-229588-803-0845ND
2015-07-229588-804-0915ND
2015-07-229588-805-0940ND
2015-07-229588-806-0830ND
2015-07-229588-807-0855ND
2015-10-229588-800-1020ND
2015-10-229588-801-1005ND
2015-10-229588-802-1045ND
2015-10-229588-803-0930ND
2015-10-229588-804-0955ND
2015-10-229588-805-1030ND
2015-10-229588-806-0920ND
2015-10-239588-807-0730ND
2016-01-229588-800-1035ND
2016-01-229588-801-1010ND
2016-01-229588-802-1105ND
2016-01-229588-803-0945ND
2016-01-229588-804-1020ND
2016-01-229588-805-1050ND
2016-01-229588-806-0930ND
2016-01-229588-807-0955ND
2016-04-219588-800-1040ND
2016-04-219588-801-1020ND
2016-04-219588-802-1105ND
2016-04-219588-803-1000ND
2016-04-219588-804-1025ND
2016-04-219588-805-1050ND
2016-04-219588-806-0950ND
2016-04-219588-807-1010ND
2016-07-229588-800-0945ND
2016-07-229588-801-0920ND
2016-07-229588-802-1005ND
2016-07-229588-803-0855ND
2016-07-229588-804-0930ND
2016-07-229588-805-0955ND
2016-07-229588-806-0845ND
2016-07-229588-807-0905ND
2016-10-249588-800-1035ND
2016-10-249588-801-1010ND
2016-10-249588-802-1100ND
2016-10-249588-803-0945ND
2016-10-249588-804-1025ND
2016-10-249588-805-1045ND
2016-10-249588-806-0935ND
2016-10-249588-807-1000ND
2017-01-259588-800-1030ND
2017-01-259588-801-1005ND
2017-01-259588-802-1055ND
2017-01-259588-803-0945ND
2017-01-259588-804-1015ND
2017-01-259588-805-1040ND
2017-01-259588-806-0930ND
2017-01-259588-807-0955ND
2017-04-219588-800-1015ND
2017-04-219588-801-0945ND
2017-04-219588-802-1045ND
2017-04-219588-803-0925ND
2017-04-219588-804-0955ND
2017-04-219588-805-1030ND
2017-04-219588-806-0915ND
2017-04-219588-807-0935ND
2017-07-249588-800-0940ND
2017-07-249588-801-0930ND
2017-07-249588-802-1010ND
2017-07-249588-803-0900ND
2017-07-249588-804-0920ND
2017-07-249588-805-0950ND
2017-07-249588-806-0850ND
2017-07-249588-807-0910ND
2017-10-239588-800-0945ND
2017-10-239588-801-0930ND
2017-10-239588-802-1000ND
2017-10-239588-803-0915ND
2017-10-239588-804-0935ND
2017-10-239588-805-0950ND
2017-10-239588-806-0905ND
2017-10-239588-807-0920ND
2018-01-229588-800-1025ND
2018-01-229588-801-1010ND
2018-01-229588-802-1105ND
2018-01-229588-803-0950ND
2018-01-229588-804-1040ND
2018-01-229588-805-1050ND
2018-01-229588-806-0940ND
2018-01-229588-807-1000ND
2018-04-239588-800-1105ND
2018-04-239588-801-1010ND
2018-04-239588-802-1120ND
2018-04-239588-803-0945ND
2018-04-239588-804-1050ND
2018-04-239588-805-1115ND
2018-04-239588-806-0915ND
2018-04-239588-807-1000ND
2018-07-239588-800-1045ND
2018-07-239588-801-1015ND
2018-07-239588-802-1105ND
2018-07-239588-803-0935ND
2018-07-239588-804-1030ND
2018-07-239588-805-1055ND
2018-07-239588-806-0925ND
2018-07-239588-807-0950ND
2018-10-229588-800-1045ND
2018-10-229588-801-1025ND
2018-10-229588-802-1105ND
2018-10-229588-803-1000ND
2018-10-229588-804-1030ND
2018-10-229588-805-1055ND
2018-10-229588-806-0945ND
2018-10-229588-807-1015ND
2019-01-229588-800-1020ND
2019-01-229588-801-0955ND
2019-01-229588-802-1055ND
2019-01-229588-803-0935ND
2019-01-229588-804-1005ND
2019-01-229588-805-1040ND
2019-01-229588-806-0915ND
2019-01-229588-807-0945ND
2019-04-229588-800-1025ND
2019-04-229588-801-1000ND
2019-04-229588-802-1100ND
2019-04-229588-803-0930ND
2019-04-229588-804-1010ND
2019-04-229588-805-1050ND
2019-04-229588-806-0920ND
2019-04-229588-807-0945ND
2019-07-229588-800-1000ND
2019-07-229588-801-0935ND
2019-07-229588-802-1030ND
2019-07-229588-803-0905ND
2019-07-229588-804-0945ND
2019-07-229588-805-1015ND
2019-07-229588-806-0855ND
2019-07-229588-807-0920ND
2019-10-229588-800-1010ND
2019-10-229588-801-0950ND
2019-10-229588-802-1035ND
2019-10-229588-803-0925ND
2019-10-229588-804-1000ND
2019-10-229588-805-1025ND
2019-10-229588-806-0910ND
2019-10-229588-807-0935ND