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EWG's Tap Water Database — 2021 UPDATE

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Dichloroacetic acid

San Gabriel Valley Water Company- El Monte

Dichloroacetic 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.

 

143

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015ND230ND
2016ND240ND
2017ND240ND
2018ND240ND
2019ND240ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-309588-800-0840ND
2014-01-309588-801-0945ND
2014-01-309588-802-0920ND
2014-01-309588-803-1020ND
2014-01-309588-804-1005ND
2014-01-309588-805-0940ND
2014-04-299588-800-0850ND
2014-04-299588-801-0915ND
2014-04-299588-802-0935ND
2014-04-299588-803-0955ND
2014-04-299588-804-1015ND
2014-04-299588-805-1005ND
2014-07-309588-800-0910ND
2014-07-309588-801-1030ND
2014-07-309588-802-1010ND
2014-07-309588-803-1050ND
2014-07-309588-804-1110ND
2014-07-309588-805-1040ND
2014-10-309588-800-0815ND
2014-10-309588-801-0920ND
2014-10-309588-802-0855ND
2014-10-309588-803-0940ND
2014-10-309588-804-1000ND
2014-10-309588-805-1040ND
2015-01-279588-800-0800ND
2015-01-279588-801-0855ND
2015-01-279588-802-0830ND
2015-01-279588-803-0915ND
2015-01-279588-804-0935ND
2015-01-279588-805-1020ND
2015-04-279588-800-0730ND
2015-04-279588-801-0830ND
2015-04-279588-802-0810ND
2015-04-279588-803-0845ND
2015-04-279588-804-0910ND
2015-04-279588-805-1305ND
2015-07-309588-800-0745ND
2015-07-309588-801-0810ND
2015-07-309588-802-0830ND
2015-07-309588-803-0925ND
2015-07-309588-804-0940ND
2015-07-309588-805-1048ND
2015-10-279588-800-0800ND
2015-10-279588-801-0906ND
2015-10-279588-802-0835ND
2015-10-279588-803-0915ND
2015-10-279588-804-0935ND
2016-01-279588-800-0750ND
2016-01-279588-801-0850ND
2016-01-279588-802-0825ND
2016-01-279588-803-0905ND
2016-01-279588-804-0920ND
2016-01-279588-805-0820ND
2016-04-269588-800-0830ND
2016-04-269588-801-0855ND
2016-04-269588-802-0920ND
2016-04-269588-803-0935ND
2016-04-269588-804-0955ND
2016-04-269588-805-0915ND
2016-07-279588-800-0835ND
2016-07-279588-801-0950ND
2016-07-279588-802-0925ND
2016-07-279588-803-1015ND
2016-07-279588-804-1030ND
2016-07-279588-805-1000ND
2016-10-279588-800-0830ND
2016-10-279588-801-0940ND
2016-10-279588-802-0915ND
2016-10-279588-803-1020ND
2016-10-279588-804-1000ND
2016-10-279588-805-1315ND
2017-01-269588-800-0800ND
2017-01-269588-801-0845ND
2017-01-269588-802-0820ND
2017-01-269588-803-0905ND
2017-01-269588-804-0920ND
2017-01-269588-805-0938ND
2017-04-269588-800-0800ND
2017-04-269588-801-0855ND
2017-04-269588-802-0830ND
2017-04-269588-803-0910ND
2017-04-269588-804-0930ND
2017-04-289588-805-1200ND
2017-07-269588-800-0810ND
2017-07-269588-801-0945ND
2017-07-269588-802-0920ND
2017-07-269588-803-1000ND
2017-07-269588-804-1025ND
2017-07-269588-805-1048ND
2017-10-269588-800-0745ND
2017-10-269588-801-0850ND
2017-10-269588-802-0830ND
2017-10-269588-803-0910ND
2017-10-269588-804-0930ND
2017-10-269588-805-1313ND
2018-01-299588-800-0730ND
2018-01-299588-801-0900ND
2018-01-299588-802-0810ND
2018-01-299588-803-1230ND
2018-01-299588-804-1215ND
2018-01-299588-805-1207ND
2018-04-269588-800-0730ND
2018-04-269588-801-0840ND
2018-04-269588-802-0820ND
2018-04-269588-803-1220ND
2018-04-269588-804-1200ND
2018-04-269588-805-1215ND
2018-07-269588-800-0740ND
2018-07-269588-801-0900ND
2018-07-269588-802-0830ND
2018-07-269588-803-1140ND
2018-07-269588-804-1130ND
2018-07-269588-805-1348ND
2018-10-259588-800-0835ND
2018-10-259588-801-0950ND
2018-10-259588-802-0915ND
2018-10-259588-803-1310ND
2018-10-259588-804-1245ND
2018-10-259588-805-1340ND
2019-01-289588-800-0730ND
2019-01-289588-801-0830ND
2019-01-289588-802-0810ND
2019-01-289588-803-1150ND
2019-01-289588-804-1135ND
2019-01-289588-805-1225ND
2019-04-269588-800-0820ND
2019-04-269588-801-0915ND
2019-04-269588-802-0845ND
2019-04-269588-803-0930ND
2019-04-269588-804-0945ND
2019-04-269588-805-1310ND
2019-07-269588-800-0755ND
2019-07-269588-801-0900ND
2019-07-269588-802-0840ND
2019-07-269588-803-0915ND
2019-07-269588-804-0935ND
2019-07-269588-805-0940ND
2019-10-289588-800-0755ND
2019-10-289588-801-0855ND
2019-10-289588-802-0830ND
2019-10-289588-803-0920ND
2019-10-289588-804-0940ND
2019-10-289588-805-1225ND