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EWG's Tap Water Database — 2021 UPDATE

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Dichloroacetic acid

Glendora Water Department

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.

MORE ABOUT THIS CONTAMINANT

 

192

Samples

0

Samples exceeding legal limit (MCL)

36

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20143.52 ppb3215ND - 21.0 ppb
2015ND320ND
20160.391 ppb327ND - 3.10 ppb
20170.259 ppb326ND - 2.00 ppb
20180.438 ppb327ND - 4.10 ppb
20190.0344 ppb321ND - 1.10 ppb

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
2014-01-249588-800-0835ND
2014-01-249588-801-1015ND
2014-01-249588-802-1000ND
2014-01-249588-803-0915ND
2014-01-249588-804-0905ND
2014-01-249588-805-0935ND
2014-01-249588-806-0925ND
2014-01-249588-807-0945ND
2014-04-239588-800-08151.40 ppb
2014-04-239588-801-0935ND
2014-04-239588-802-0930ND
2014-04-239588-803-08503.20 ppb
2014-04-239588-804-08402.70 ppb
2014-04-239588-805-09103.90 ppb
2014-04-239588-806-09002.40 ppb
2014-04-239588-807-0920ND
2014-07-249588-800-104021.0 ppb
2014-07-249588-801-09157.40 ppb
2014-07-249588-802-09008.90 ppb
2014-07-249588-803-102511.0 ppb
2014-07-249588-804-101519.0 ppb
2014-07-249588-805-09508.10 ppb
2014-07-249588-806-10006.90 ppb
2014-07-249588-807-0935ND
2014-10-279588-800-0835ND
2014-10-279588-801-10107.90 ppb
2014-10-279588-802-0955ND
2014-10-279588-803-09051.60 ppb
2014-10-279588-804-0855ND
2014-10-279588-805-09257.10 ppb
2014-10-279588-806-0915ND
2014-10-279588-807-0940ND
2015-01-289588-800-0820ND
2015-01-289588-801-0930ND
2015-01-289588-802-0940ND
2015-01-289588-803-0850ND
2015-01-289588-804-0840ND
2015-01-289588-805-0910ND
2015-01-289588-806-0900ND
2015-01-289588-807-0920ND
2015-04-239588-800-0800ND
2015-04-239588-801-0925ND
2015-04-239588-802-0915ND
2015-04-239588-803-0830ND
2015-04-239588-804-0820ND
2015-04-239588-805-0850ND
2015-04-239588-806-0840ND
2015-04-239588-807-0900ND
2015-07-279588-800-1010ND
2015-07-279588-801-1135ND
2015-07-279588-802-1130ND
2015-07-279588-803-1045ND
2015-07-279588-804-1035ND
2015-07-279588-805-1105ND
2015-07-279588-806-1055ND
2015-07-279588-807-1115ND
2015-10-289588-800-0920ND
2015-10-289588-801-1040ND
2015-10-289588-802-1030ND
2015-10-289588-803-0940ND
2015-10-289588-804-0930ND
2015-10-289588-805-1005ND
2015-10-289588-806-0955ND
2015-10-289588-807-1015ND
2016-01-259588-800-0830ND
2016-01-259588-801-11552.40 ppb
2016-01-259588-802-1140ND
2016-01-259588-803-10552.40 ppb
2016-01-259588-804-10451.20 ppb
2016-01-259588-805-11153.10 ppb
2016-01-259588-806-11051.10 ppb
2016-01-259588-807-1125ND
2016-04-279588-800-0825ND
2016-04-279588-801-0955ND
2016-04-279588-802-0940ND
2016-04-279588-803-0855ND
2016-04-279588-804-0845ND
2016-04-279588-805-0910ND
2016-04-279588-806-0905ND
2016-04-279588-807-0925ND
2016-07-259588-800-0810ND
2016-07-259588-801-1105ND
2016-07-259588-802-1115ND
2016-07-259588-803-0840ND
2016-07-259588-804-0835ND
2016-07-259588-805-0850ND
2016-07-259588-806-0845ND
2016-07-259588-807-0900ND
2016-10-259588-800-0820ND
2016-10-259588-801-1145ND
2016-10-259588-802-11301.10 ppb
2016-10-259588-803-0850ND
2016-10-259588-804-0840ND
2016-10-259588-805-11001.20 ppb
2016-10-259588-806-0900ND
2016-10-259588-807-1115ND
2017-01-279588-800-08051.10 ppb
2017-01-279588-801-0930ND
2017-01-279588-802-0915ND
2017-01-279588-803-0830ND
2017-01-279588-804-0820ND
2017-01-279588-805-0850ND
2017-01-279588-806-0840ND
2017-01-279588-807-0900ND
2017-04-259588-800-0820ND
2017-04-259588-801-1115ND
2017-04-259588-802-1130ND
2017-04-259588-803-0900ND
2017-04-259588-804-0850ND
2017-04-259588-805-0920ND
2017-04-259588-806-0910ND
2017-04-259588-807-0930ND
2017-07-259588-800-1220ND
2017-07-259588-801-1330ND
2017-07-259588-802-1320ND
2017-07-259588-803-1205ND
2017-07-259588-804-11551.30 ppb
2017-07-259588-805-1240ND
2017-07-259588-806-1140ND
2017-07-259588-807-1300ND
2017-10-279588-800-08201.000 ppb
2017-10-279588-801-09551.10 ppb
2017-10-279588-802-0940ND
2017-10-279588-803-08501.80 ppb
2017-10-279588-804-0840ND
2017-10-279588-805-09102.00 ppb
2017-10-279588-806-0900ND
2017-10-279588-807-0925ND
2018-01-269588-800-0830ND
2018-01-269588-801-1005ND
2018-01-269588-802-09501.30 ppb
2018-01-269588-803-0900ND
2018-01-269588-804-0850ND
2018-01-269588-805-0000ND
2018-01-269588-806-0910ND
2018-01-269588-807-0935ND
2018-04-259588-800-0820ND
2018-04-259588-801-1125ND
2018-04-259588-802-1115ND
2018-04-259588-803-0900ND
2018-04-259588-804-0850ND
2018-04-259588-805-0920ND
2018-04-259588-806-0910ND
2018-04-259588-807-1055ND
2018-07-279588-800-07252.40 ppb
2018-07-279588-801-08354.10 ppb
2018-07-279588-802-08251.20 ppb
2018-07-279588-803-07502.60 ppb
2018-07-279588-804-0745ND
2018-07-279588-805-08101.20 ppb
2018-07-279588-806-0800ND
2018-07-279588-807-0810ND
2018-10-269588-800-08401.20 ppb
2018-10-269588-801-1030ND
2018-10-269588-802-1015ND
2018-10-269588-803-0930ND
2018-10-269588-804-0920ND
2018-10-269588-805-0950ND
2018-10-269588-806-0940ND
2018-10-269588-807-1005ND
2019-01-259588-800-0915ND
2019-01-259588-801-1115ND
2019-01-259588-802-1100ND
2019-01-259588-803-1015ND
2019-01-259588-804-1005ND
2019-01-259588-805-1035ND
2019-01-259588-806-1025ND
2019-01-259588-807-1045ND
2019-04-249588-800-0805ND
2019-04-249588-801-0930ND
2019-04-249588-802-0920ND
2019-04-249588-803-0835ND
2019-04-249588-804-08251.10 ppb
2019-04-249588-805-0855ND
2019-04-249588-806-0845ND
2019-04-249588-807-0910ND
2019-07-249588-800-0810ND
2019-07-249588-801-0945ND
2019-07-249588-802-0935ND
2019-07-249588-803-0845ND
2019-07-249588-804-0835ND
2019-07-249588-805-0905ND
2019-07-249588-806-0855ND
2019-07-249588-807-0920ND
2019-10-259588-800-0805ND
2019-10-259588-801-1025ND
2019-10-259588-802-1005ND
2019-10-259588-803-0915ND
2019-10-259588-804-0905ND
2019-10-259588-805-0935ND
2019-10-259588-806-0925ND
2019-10-259588-807-0945ND