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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

Los Lunas Water System

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.

MORE ABOUT THIS CONTAMINANT

 

72

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20150.0225 ppb81ND - 0.180 ppb
20160.0388 ppb161ND - 0.620 ppb
2017ND160ND
20180.0738 ppb163ND - 0.470 ppb
20190.101 ppb164ND - 0.490 ppb

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
2015-07-292015021719ND
2015-07-292015021721ND
2015-07-292015021717ND
2015-07-2920150217160.180 ppb
2015-11-041511217-001BND
2015-11-041511213-001BND
2015-11-041511221-001BND
2015-11-041511215-001BND
2016-02-251602A75-001AND
2016-02-251602A77-001AND
2016-02-251602A74-001AND
2016-02-251602A76-001AND
2016-04-1120160101650.620 ppb
2016-04-112016010168ND
2016-04-112016010166ND
2016-04-112016010167ND
2016-07-072016019228ND
2016-07-072016019229ND
2016-07-072016019230ND
2016-07-072016019231ND
2016-10-112016029467ND
2016-10-112016029466ND
2016-10-112016029464ND
2016-10-112016029465ND
2017-01-042017000169ND
2017-01-042017000171ND
2017-01-042017000170ND
2017-01-042017000168ND
2017-04-042017009618ND
2017-04-042017009615ND
2017-04-042017009616ND
2017-04-042017009617ND
2017-07-122017019920ND
2017-07-122017019921ND
2017-07-122017019922ND
2017-07-122017019923ND
2017-10-102017029139ND
2017-10-102017029140ND
2017-10-102017029141ND
2017-10-102017029142ND
2018-01-172018001598ND
2018-01-172018001597ND
2018-01-172018001596ND
2018-01-172018001595ND
2018-04-112018010250ND
2018-04-112018010247ND
2018-04-112018010248ND
2018-04-1120180102490.400 ppb
2018-07-102018018580ND
2018-07-102018018579ND
2018-07-1020180185780.470 ppb
2018-07-102018018577ND
2018-10-0320180283520.310 ppb
2018-10-032018028353ND
2018-10-032018028354ND
2018-10-032018028355ND
2019-01-082019000454ND
2019-01-082019000455ND
2019-01-0820190004560.410 ppb
2019-01-082019000457ND
2019-04-032019008329ND
2019-04-032019008332ND
2019-04-032019008331ND
2019-04-0320190083300.360 ppb
2019-07-152019019199ND
2019-07-1520190192010.360 ppb
2019-07-152019019200ND
2019-07-152019019198ND
2019-10-162019029569ND
2019-10-162019029568ND
2019-10-162019029567ND
2019-10-1620190295660.490 ppb