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EWG's Tap Water Database — 2019 UPDATE

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Trichloroacetic acid

City of Seal Beach

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.

 

60

Samples

0

Samples exceeding legal limit (MCL)

35

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20133.29 ppb1611ND - 10.2 ppb
20143.20 ppb881.20 ppb - 5.37 ppb
20151.75 ppb43ND - 3.48 ppb
20161.18 ppb169ND - 4.47 ppb
20170.414 ppb164ND - 2.01 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for trichloroacetic acid was defined by the Environmental Protection Agency as 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
2013-02-059469-801-0620ND
2013-02-059469-803-08153.29 ppb
2013-02-059469-802-0740ND
2013-02-059469-804-10253.26 ppb
2013-05-079469-803-08101.50 ppb
2013-05-079469-802-07502.39 ppb
2013-05-079469-804-09503.36 ppb
2013-05-089469-801-12154.16 ppb
2013-08-069469-802-065010.2 ppb
2013-08-069469-803-07107.98 ppb
2013-08-069469-801-06356.26 ppb
2013-08-069469-804-08458.03 ppb
2013-11-129469-801-07542.25 ppb
2013-11-129469-804-1020ND
2013-11-129469-803-0850ND
2013-11-129469-802-0820ND
2014-02-069469-802-09303.61 ppb
2014-02-069469-803-09453.59 ppb
2014-02-069469-801-09004.99 ppb
2014-02-069469-804-10003.67 ppb
2014-04-089469-801-07505.37 ppb
2014-04-089469-803-08501.39 ppb
2014-04-089469-804-11151.74 ppb
2014-04-089469-802-08251.20 ppb
2015-11-039469-803-0840ND
2015-11-039469-802-08202.15 ppb
2015-11-039469-804-10001.38 ppb
2015-11-039469-801-07553.48 ppb
2016-02-029469-804-08401.02 ppb
2016-02-029469-803-07351.90 ppb
2016-02-029469-801-06553.20 ppb
2016-02-029469-802-07153.07 ppb
2016-05-039469-801-07004.47 ppb
2016-05-039469-803-08301.46 ppb
2016-05-039469-802-0720ND
2016-05-039469-804-09451.34 ppb
2016-08-029469-804-0845ND
2016-08-029469-802-07051.03 ppb
2016-08-029469-803-0725ND
2016-08-029469-801-0640ND
2016-11-019469-801-0730ND
2016-11-019469-804-10501.43 ppb
2016-11-019469-802-0755ND
2016-11-019469-803-0900ND
2017-02-079469-801-0730ND
2017-02-079469-803-0810ND
2017-02-079469-802-0750ND
2017-02-079469-804-0935ND
2017-05-019469-804-10181.56 ppb
2017-05-019469-803-08312.01 ppb
2017-05-019469-801-07301.88 ppb
2017-05-019469-802-0805ND
2017-07-319469-801-07451.17 ppb
2017-07-319469-804-1000ND
2017-07-319469-803-0845ND
2017-07-319469-802-0815ND
2017-11-019469-802-1310ND
2017-11-019469-801-1250ND
2017-11-019469-803-1325ND
2017-11-019469-804-1430ND