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EWG's Tap Water Database — 2019 UPDATE

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Trichloroacetic acid

Newhall CWD-Newhall

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.

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND160ND
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND

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
2012-07-129590-802-1130ND
2012-07-129590-800-1205ND
2012-07-129590-801-1100ND
2012-07-129590-803-1220ND
2012-10-119590-801-1028ND
2012-10-119590-803-0935ND
2012-10-119590-800-0948ND
2012-10-119590-802-1009ND
2013-01-109590-801-1035ND
2013-01-109590-803-1220ND
2013-01-109590-800-1155ND
2013-01-109590-802-1110ND
2013-04-119590-800-1050ND
2013-04-119590-803-1015ND
2013-04-119590-801-1120ND
2013-04-119590-802-0944ND
2013-07-119590-800-1035ND
2013-07-119590-801-0850ND
2013-07-119590-803-1020ND
2013-07-119590-802-0830ND
2013-10-109590-802-1400ND
2013-10-109590-800-1300ND
2013-10-109590-803-1330ND
2013-10-109590-801-1230ND
2014-01-169590-802-0930ND
2014-01-169590-800-1155ND
2014-01-169590-803-1130ND
2014-01-169590-801-0900ND
2014-04-109590-803-1042ND
2014-04-109590-800-1054ND
2014-04-109590-801-0851ND
2014-04-109590-802-1007ND
2014-07-179590-803-1055ND
2014-07-179590-801-0945ND
2014-07-179590-800-1125ND
2014-07-179590-802-1020ND
2014-10-169590-803-1345ND
2014-10-169590-800-1405ND
2014-10-169590-802-1305ND
2014-10-169590-801-1450ND
2015-01-159590-800-1140ND
2015-01-159590-803-1130ND
2015-01-159590-802-1100ND
2015-01-159590-801-1040ND
2015-04-239590-800-1425ND
2015-04-239590-801-1145ND
2015-04-239590-802-1310ND
2015-04-239590-803-1400ND
2015-07-169590-800-1320ND
2015-07-169590-801-1055ND
2015-07-169590-802-1120ND
2015-07-169590-803-1335ND
2015-10-159590-803-0845ND
2015-10-159590-800-0855ND
2015-10-159590-801-0820ND
2015-10-159590-802-0800ND
2016-01-149590-802-1035ND
2016-01-149590-803-1100ND
2016-01-149590-801-0920ND
2016-01-149590-800-1130ND
2016-04-079590-802-1145ND
2016-04-079590-800-1025ND
2016-04-079590-803-1050ND
2016-04-079590-801-1120ND
2016-07-219590-800-1338ND
2016-07-219590-802-0945ND
2016-07-219590-803-1325ND
2016-07-219590-801-0923ND
2016-10-069590-802-1015ND
2016-10-069590-803-0948ND
2016-10-069590-800-0915ND
2016-10-069590-801-0840ND
2017-01-199590-801-0850ND
2017-01-199590-800-1000ND
2017-01-199590-803-0935ND
2017-01-199590-802-0825ND
2017-04-139590-801-1100ND
2017-04-139590-800-1430ND
2017-04-139590-802-1120ND
2017-04-139590-803-1420ND
2017-07-139590-801-0935ND
2017-07-139590-803-1025ND
2017-07-139590-800-1045ND
2017-07-139590-802-0905ND
2017-10-199590-803-1306ND
2017-10-199590-800-1240ND
2017-10-199590-801-1105ND
2017-10-199590-802-1145ND