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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Alhambra

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
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
2014-03-179588-800-0930ND
2014-03-179588-801-0920ND
2014-03-179588-802-0900ND
2014-03-179588-803-0850ND
2014-03-179588-804-0910ND
2014-03-179588-805-0940ND
2014-03-179588-806-0820ND
2014-03-179588-807-0840ND
2014-06-199588-800-1155ND
2014-06-199588-801-1140ND
2014-06-199588-802-1115ND
2014-06-199588-803-1105ND
2014-06-199588-804-1125ND
2014-06-199588-805-1210ND
2014-06-199588-806-1040ND
2014-06-199588-807-1055ND
2014-09-159588-800-1050ND
2014-09-159588-801-1040ND
2014-09-159588-802-1025ND
2014-09-159588-803-1015ND
2014-09-159588-804-1030ND
2014-09-159588-805-1105ND
2014-09-159588-806-0940ND
2014-09-159588-807-1000ND
2014-12-169588-800-0845ND
2014-12-169588-801-0835ND
2014-12-169588-802-0810ND
2014-12-169588-803-0755ND
2014-12-169588-804-0820ND
2014-12-169588-805-0900ND
2014-12-169588-806-0730ND
2014-12-169588-807-0745ND
2015-03-169588-800-1055ND
2015-03-169588-801-1045ND
2015-03-169588-802-1025ND
2015-03-169588-803-1010ND
2015-03-169588-804-1035ND
2015-03-169588-805-1110ND
2015-03-169588-806-0930ND
2015-03-169588-807-0950ND
2015-06-159588-800-0930ND
2015-06-159588-801-0915ND
2015-06-159588-802-0845ND
2015-06-159588-803-0835ND
2015-06-159588-804-0900ND
2015-06-159588-805-0940ND
2015-06-159588-806-0800ND
2015-06-159588-807-0820ND
2015-09-169588-800-0945ND
2015-09-169588-801-0935ND
2015-09-169588-802-0910ND
2015-09-169588-803-0905ND
2015-09-169588-804-0925ND
2015-09-169588-805-1000ND
2015-09-169588-806-0830ND
2015-09-169588-807-0850ND
2015-12-159588-800-0935ND
2015-12-159588-801-0925ND
2015-12-159588-802-0910ND
2015-12-159588-803-0900ND
2015-12-159588-804-0915ND
2015-12-159588-805-0945ND
2015-12-159588-806-0835ND
2015-12-159588-807-0850ND
2016-03-219588-800-1010ND
2016-03-219588-801-1000ND
2016-03-219588-802-0940ND
2016-03-219588-803-0935ND
2016-03-219588-804-0950ND
2016-03-219588-805-1020ND
2016-03-219588-806-0910ND
2016-03-219588-807-0925ND
2016-06-219588-800-0905ND
2016-06-219588-801-0855ND
2016-06-219588-802-0835ND
2016-06-219588-803-0825ND
2016-06-219588-804-0845ND
2016-06-219588-805-0915ND
2016-06-219588-806-0800ND
2016-06-219588-807-0810ND
2016-09-229588-800-1005ND
2016-09-229588-801-0950ND
2016-09-229588-802-0920ND
2016-09-229588-803-0905ND
2016-09-229588-804-0935ND
2016-09-229588-805-1015ND
2016-09-229588-806-0830ND
2016-09-229588-807-0850ND
2016-12-199588-800-1050ND
2016-12-199588-801-1040ND
2016-12-199588-802-1015ND
2016-12-199588-803-1005ND
2016-12-199588-804-1030ND
2016-12-199588-805-1105ND
2016-12-199588-806-0940ND
2016-12-199588-807-0955ND
2017-03-209588-800-1000ND
2017-03-209588-801-0945ND
2017-03-209588-802-0915ND
2017-03-209588-803-0900ND
2017-03-209588-804-0930ND
2017-03-209588-805-1035ND
2017-03-209588-806-0825ND
2017-03-209588-807-0845ND
2017-06-209588-800-1010ND
2017-06-209588-801-1125ND
2017-06-209588-802-1055ND
2017-06-209588-803-1030ND
2017-06-209588-804-1115ND
2017-06-209588-805-1000ND
2017-06-209588-806-0935ND
2017-06-209588-807-1020ND
2017-09-199588-800-1015ND
2017-09-199588-801-1005ND
2017-09-199588-802-0945ND
2017-09-199588-803-0935ND
2017-09-199588-804-0950ND
2017-09-199588-805-1030ND
2017-09-199588-806-0900ND
2017-09-199588-807-0925ND
2017-12-199588-800-1040ND
2017-12-199588-801-1030ND
2017-12-199588-802-1010ND
2017-12-199588-803-1000ND
2017-12-199588-804-1020ND
2017-12-199588-805-1050ND
2017-12-199588-806-0940ND
2017-12-199588-807-0950ND
2018-03-199588-800-0925ND
2018-03-199588-801-0915ND
2018-03-199588-802-0855ND
2018-03-199588-803-0845ND
2018-03-199588-804-0905ND
2018-03-199588-805-0935ND
2018-03-199588-806-0815ND
2018-03-199588-807-0830ND
2018-06-199588-800-1210ND
2018-06-199588-801-1205ND
2018-06-199588-802-1140ND
2018-06-199588-803-1130ND
2018-06-199588-804-1150ND
2018-06-199588-805-1225ND
2018-06-199588-806-1100ND
2018-06-199588-807-1115ND
2018-09-199588-800-1115ND
2018-09-199588-801-1100ND
2018-09-199588-802-1030ND
2018-09-199588-803-1015ND
2018-09-199588-804-1045ND
2018-09-199588-805-1130ND
2018-09-199588-806-0945ND
2018-09-199588-807-1000ND
2018-12-199588-800-1140ND
2018-12-199588-801-1200ND
2018-12-199588-802-1210ND
2018-12-199588-803-1220ND
2018-12-199588-804-1150ND
2018-12-199588-805-1130ND
2018-12-199588-806-1250ND
2018-12-199588-807-1235ND
2019-03-209588-800-0950ND
2019-03-209588-801-0940ND
2019-03-209588-802-0915ND
2019-03-209588-803-0905ND
2019-03-209588-804-0925ND
2019-03-209588-805-1010ND
2019-03-209588-806-0830ND
2019-03-209588-807-0850ND
2019-06-199588-800-1045ND
2019-06-199588-801-1020ND
2019-06-199588-802-1125ND
2019-06-199588-803-1110ND
2019-06-199588-804-1035ND
2019-06-199588-805-1010ND
2019-06-199588-806-0950ND
2019-06-199588-807-1100ND
2019-09-199588-800-1145ND
2019-09-199588-801-1210ND
2019-09-199588-802-1245ND
2019-09-199588-803-1250ND
2019-09-199588-804-1220ND
2019-09-199588-805-1200ND
2019-09-199588-806-1315ND
2019-09-199588-807-1300ND
2019-12-199588-800-0945ND
2019-12-199588-801-1035ND
2019-12-199588-802-1035ND
2019-12-199588-803-1100ND
2019-12-199588-804-1020ND
2019-12-199588-805-1005ND
2019-12-199588-806-1140ND
2019-12-199588-807-1120ND