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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Antelope Valley - East Kern Water Agency

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

 

119

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND200ND
2015ND190ND
2016ND200ND
2017ND200ND
2018ND200ND
2019ND200ND

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
2014-02-209588-800-0635ND
2014-02-209588-801-1205ND
2014-02-209588-802-0830ND
2014-02-209588-803-0852ND
2014-02-209588-804-1140ND
2014-05-159588-800-0625ND
2014-05-159588-801-0910ND
2014-05-159588-802-0840ND
2014-05-159588-803-0900ND
2014-05-159588-804-0830ND
2014-08-219588-800-0640ND
2014-08-219588-801-0815ND
2014-08-219588-802-0900ND
2014-08-219588-803-0920ND
2014-08-219588-804-0915ND
2014-11-209588-800-0635ND
2014-11-209588-801-0831ND
2014-11-209588-802-0900ND
2014-11-209588-803-0841ND
2014-11-209588-804-0745ND
2015-02-199590-800-0645ND
2015-02-199590-801-0925ND
2015-02-199590-802-0830ND
2015-02-199590-803-0855ND
2015-02-199590-804-0845ND
2015-05-219590-800-1110ND
2015-05-219590-801-1015ND
2015-05-219590-802-0940ND
2015-05-219590-804-0913ND
2015-08-209590-800-0612ND
2015-08-209590-801-0910ND
2015-08-209590-802-0850ND
2015-08-209590-803-0914ND
2015-08-209590-804-0827ND
2015-11-199590-800-0635ND
2015-11-199590-801-0858ND
2015-11-199590-802-0728ND
2015-11-199590-804-0804ND
2015-12-109590-803-0940ND
2016-02-189590-800-0604ND
2016-02-189590-801-0932ND
2016-02-189590-802-0902ND
2016-02-189590-803-0933ND
2016-02-189590-804-0737ND
2016-05-269590-800-0635ND
2016-05-269590-801-0811ND
2016-05-269590-802-0815ND
2016-05-269590-803-0845ND
2016-05-269590-804-0725ND
2016-08-189590-800-0634ND
2016-08-189590-801-0851ND
2016-08-189590-802-0835ND
2016-08-189590-803-0812ND
2016-08-189590-804-0805ND
2016-11-179590-800-0610ND
2016-11-179590-801-0830ND
2016-11-179590-802-0935ND
2016-11-179590-803-1000ND
2016-11-179590-804-0655ND
2017-02-249590-801-0944ND
2017-02-249590-802-0840ND
2017-02-249590-803-0910ND
2017-02-249590-804-0755ND
2017-03-159590-800-1005ND
2017-05-189590-800-0847ND
2017-05-189590-801-0940ND
2017-05-189590-802-0707ND
2017-05-189590-803-0731ND
2017-05-189590-804-0835ND
2017-08-179590-800-0945ND
2017-08-179590-801-0925ND
2017-08-179590-802-0805ND
2017-08-179590-803-0835ND
2017-08-179590-804-1005ND
2017-11-169590-800-0935ND
2017-11-169590-801-0830ND
2017-11-169590-802-0800ND
2017-11-169590-803-0835ND
2017-11-169590-804-1000ND
2018-02-159590-800-0915ND
2018-02-159590-801-0855ND
2018-02-159590-802-0730ND
2018-02-159590-803-0814ND
2018-02-159590-804-0700ND
2018-05-179590-800-0914ND
2018-05-179590-801-0856ND
2018-05-179590-802-0800ND
2018-05-179590-803-0820ND
2018-05-179590-804-0809ND
2018-08-169590-800-0915ND
2018-08-169590-801-0846ND
2018-08-169590-802-0745ND
2018-08-169590-803-0810ND
2018-08-169590-804-0930ND
2018-11-159590-800-0945ND
2018-11-159590-801-1010ND
2018-11-159590-802-0735ND
2018-11-159590-803-0805ND
2018-11-159590-804-0915ND
2019-02-219590-800-0940ND
2019-02-219590-801-0757ND
2019-02-219590-802-0805ND
2019-02-219590-803-0837ND
2019-02-219590-804-0948ND
2019-05-169590-800-0925ND
2019-05-169590-801-0711ND
2019-05-169590-802-0745ND
2019-05-169590-803-0820ND
2019-05-169590-804-0715ND
2019-08-159590-800-1000ND
2019-08-159590-801-1100ND
2019-08-159590-802-0910ND
2019-08-159590-803-0843ND
2019-09-109590-804-0930ND
2019-11-219590-800-0945ND
2019-11-219590-801-1144ND
2019-11-219590-802-0747ND
2019-11-219590-803-0825ND
2019-11-219590-804-0934ND