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EWG's Tap Water Database — 2019 UPDATE

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Trichloroacetic acid

City of Edmond - Arcadia Lake

Trichloroacetic 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.

 

136

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20131.24 ppb86ND - 2.22 ppb
20140.782 ppb3215ND - 3.16 ppb
2015ND320ND
2016ND320ND
2017ND320ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic 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
2013-11-043K05029-012.22 ppb
2013-11-043K05029-021.57 ppb
2013-11-043K05029-03ND
2013-11-043K05029-041.10 ppb
2013-11-043K05029-052.21 ppb
2013-11-043K05029-061.40 ppb
2013-11-043K05029-071.45 ppb
2013-11-043K05029-08ND
2014-02-184B20042-01ND
2014-02-184B20042-02ND
2014-02-184B20042-03ND
2014-02-184B20042-041.52 ppb
2014-02-184B20042-053.16 ppb
2014-02-184B20042-061.18 ppb
2014-02-184B20042-071.94 ppb
2014-02-244C06027-011.74 ppb
2014-05-014E01058-01ND
2014-05-014E01058-02ND
2014-05-014E01058-03ND
2014-05-014E01058-04ND
2014-05-014E01058-051.51 ppb
2014-05-014E01058-06ND
2014-05-014E01058-07ND
2014-05-014E01058-08ND
2014-08-044H05108-01ND
2014-08-044H05108-03ND
2014-08-044H05108-04ND
2014-08-044H05108-061.16 ppb
2014-08-044H05108-07ND
2014-08-044H05108-082.05 ppb
2014-08-054H05108-02ND
2014-08-054H05108-051.47 ppb
2014-11-034K05006-011.18 ppb
2014-11-034K05006-021.40 ppb
2014-11-034K05006-03RE1ND
2014-11-034K05006-04RE1ND
2014-11-034K05006-052.25 ppb
2014-11-034K05006-061.02 ppb
2014-11-034K05006-071.25 ppb
2014-11-034K05006-082.18 ppb
2015-02-091372150ND
2015-02-091372152ND
2015-02-091372154ND
2015-02-091372156ND
2015-02-091372158ND
2015-02-091372160ND
2015-02-091372162ND
2015-02-091372164ND
2015-05-041393684ND
2015-05-041393686ND
2015-05-041393688ND
2015-05-041393690ND
2015-05-041393692ND
2015-05-041393694ND
2015-05-041393696ND
2015-05-041393698ND
2015-08-031416214ND
2015-08-031416216ND
2015-08-031416218ND
2015-08-031416221ND
2015-08-031416223ND
2015-08-031416225ND
2015-08-031416227ND
2015-08-031416229ND
2015-11-021441401ND
2015-11-021441403ND
2015-11-021441405ND
2015-11-021441407ND
2015-11-021441409ND
2015-11-021441411ND
2015-11-021441413ND
2015-11-021441415ND
2016-02-081466086ND
2016-02-081466089ND
2016-02-081466090ND
2016-02-081466091ND
2016-02-081466092ND
2016-02-081466093ND
2016-02-081466094ND
2016-02-081466095ND
2016-05-021488167ND
2016-05-021488169ND
2016-05-021488170ND
2016-05-021488171ND
2016-05-021488172ND
2016-05-021488173ND
2016-05-021488174ND
2016-05-021488175ND
2016-07-071505838ND
2016-07-071505840ND
2016-07-071505842ND
2016-07-071505844ND
2016-07-071505846ND
2016-07-071505848ND
2016-07-071505850ND
2016-07-071505852ND
2016-11-141541305ND
2016-11-141541308ND
2016-11-141541309ND
2016-11-141541310ND
2016-11-141541311ND
2016-11-141541312ND
2016-11-141541313ND
2016-11-141541314ND
2017-02-131563961ND
2017-02-131563964ND
2017-02-131563966ND
2017-02-131563968ND
2017-02-131563970ND
2017-02-131563972ND
2017-02-131563974ND
2017-02-131563976ND
2017-05-081586865ND
2017-05-081586870ND
2017-05-081586871ND
2017-05-081586872ND
2017-05-081586873ND
2017-05-081586874ND
2017-05-081586875ND
2017-05-081586876ND
2017-08-141613681ND
2017-08-141613682ND
2017-08-141613683ND
2017-08-141613684ND
2017-08-141613685ND
2017-08-141613686ND
2017-08-141613687ND
2017-08-141613688ND
2017-11-131639188ND
2017-11-131639189ND
2017-11-131639190ND
2017-11-131639191ND
2017-11-131639192ND
2017-11-131639193ND
2017-11-131639194ND
2017-11-131639195ND