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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Laguna Beach County WD

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

 

79

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
2014ND160ND
2015ND160ND
2016ND120ND
2017ND160ND
2018ND150ND
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
2014-02-111805-801-0823ND
2014-02-111805-802-0943ND
2014-02-111805-803-0850ND
2014-02-111805-804-0912ND
2014-05-061805-801-0846ND
2014-05-061805-802-1005ND
2014-05-061805-803-0912ND
2014-05-061805-804-0936ND
2014-08-051805-803-0910ND
2014-08-051805-802-1012ND
2014-08-051805-804-0936ND
2014-08-051805-801-0841ND
2014-11-101805-803-0901ND
2014-11-101805-802-1006ND
2014-11-101805-804-0930ND
2014-11-101805-801-0834ND
2015-02-101805-804-1002ND
2015-02-101805-803-0916ND
2015-02-101805-802-1049ND
2015-02-101805-801-0840ND
2015-05-051805-804-0913ND
2015-05-051805-803-0853ND
2015-05-051805-801-0825ND
2015-05-051805-802-0949ND
2015-08-111805-801-1012ND
2015-08-111805-802-0941ND
2015-08-111805-804-0906ND
2015-08-111805-803-0840ND
2015-11-171805-801-1340ND
2015-11-171805-804-1425ND
2015-11-171805-802-1440ND
2015-11-171805-803-1400ND
2016-02-091805-804-0958ND
2016-02-091805-801-0906ND
2016-02-091805-802-1030ND
2016-02-091805-803-0938ND
2016-05-101805-803-0947ND
2016-05-101805-801-0915ND
2016-05-101805-802-1038ND
2016-05-101805-804-1009ND
2016-08-151805-803-1241ND
2016-08-151805-801-1015ND
2016-08-151805-804-1218ND
2016-08-151805-802-1124ND
2017-02-081805-803-0935ND
2017-02-081805-801-0912ND
2017-02-081805-804-1222ND
2017-02-081805-802-1310ND
2017-05-021805-802-1100ND
2017-05-021805-801-0850ND
2017-05-021805-804-1010ND
2017-05-021805-803-0945ND
2017-08-031805-803-0940ND
2017-08-031805-801-1000ND
2017-08-031805-804-0915ND
2017-08-031805-802-0845ND
2017-11-071805-804-1040ND
2017-11-071805-801-0915ND
2017-11-071805-803-1020ND
2017-11-071805-802-1155ND
2018-02-061805-804-0920ND
2018-02-061805-801-1140ND
2018-02-061805-802-1038ND
2018-02-061805-803-0900ND
2018-05-011805-802-1040ND
2018-05-011805-801-0838ND
2018-05-011805-803-0925ND
2018-05-011805-804-0944ND
2018-08-071805-801-1045ND
2018-08-071805-804-0845ND
2018-08-071805-803-0834ND
2018-11-051805-803-1050ND
2018-11-051805-801-1155ND
2018-11-051805-802-0950ND
2018-11-051805-804-1025ND
2019-11-051805-801-0932ND
2019-11-051805-804-1058ND
2019-11-051805-803-1040ND
2019-11-051805-802-1140ND