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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

City of Chino

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

 

176

Samples

0

Samples exceeding legal limit (MCL)

104

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.769 ppb3216ND - 2.00 ppb
20150.428 ppb328ND - 1.90 ppb
20161.28 ppb2411ND - 4.50 ppb
20171.61 ppb3222ND - 3.90 ppb
20181.75 ppb2416ND - 3.50 ppb
20192.89 ppb3231ND - 6.10 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
2014-01-169590-601-08441.90 ppb
2014-01-169590-602-08191.70 ppb
2014-01-169590-603-08552.00 ppb
2014-01-169590-604-08361.80 ppb
2014-01-169590-605-08071.60 ppb
2014-01-169590-606-07561.60 ppb
2014-01-169590-607-08271.80 ppb
2014-01-169590-608-07481.60 ppb
2014-04-229590-601-08431.30 ppb
2014-04-229590-602-08251.20 ppb
2014-04-229590-603-09171.40 ppb
2014-04-229590-604-08381.30 ppb
2014-04-229590-605-0807ND
2014-04-229590-606-0855ND
2014-04-229590-607-08331.30 ppb
2014-04-229590-608-11031.70 ppb
2014-07-179590-601-0814ND
2014-07-179590-602-0753ND
2014-07-179590-603-08241.20 ppb
2014-07-179590-604-0808ND
2014-07-179590-605-0744ND
2014-07-179590-606-0732ND
2014-07-179590-607-0800ND
2014-07-179590-608-07231.20 ppb
2014-10-169590-601-0942ND
2014-10-169590-602-0854ND
2014-10-169590-603-0959ND
2014-10-169590-604-0920ND
2014-10-169590-605-0841ND
2014-10-169590-606-0828ND
2014-10-169590-607-0906ND
2014-10-169590-608-0815ND
2015-01-149590-601-0800ND
2015-01-149590-602-0840ND
2015-01-149590-603-0735ND
2015-01-149590-604-0830ND
2015-01-149590-605-0900ND
2015-01-149590-606-0850ND
2015-01-149590-607-0815ND
2015-01-149590-608-0910ND
2015-04-099590-601-0912ND
2015-04-099590-602-0842ND
2015-04-099590-603-0926ND
2015-04-099590-604-0902ND
2015-04-099590-605-0830ND
2015-04-099590-606-0815ND
2015-04-099590-607-0852ND
2015-04-099590-608-0806ND
2015-07-169590-601-08501.80 ppb
2015-07-169590-602-08171.80 ppb
2015-07-169590-603-09041.80 ppb
2015-07-169590-604-08371.90 ppb
2015-07-169590-605-08051.60 ppb
2015-07-169590-606-0752ND
2015-07-169590-607-08301.80 ppb
2015-07-169590-608-07411.80 ppb
2015-10-159590-601-0902ND
2015-10-159590-602-0824ND
2015-10-159590-603-09141.20 ppb
2015-10-159590-604-0841ND
2015-10-159590-605-0811ND
2015-10-159590-606-0801ND
2015-10-159590-607-0832ND
2015-10-159590-608-0752ND
2016-01-279590-601-08451.000 ppb
2016-01-279590-602-0821ND
2016-01-279590-603-09041.40 ppb
2016-01-279590-604-08371.000 ppb
2016-01-279590-605-0809ND
2016-01-279590-606-0800ND
2016-01-279590-607-0830ND
2016-01-279590-608-0743ND
2016-04-219590-601-09203.30 ppb
2016-04-219590-602-08393.40 ppb
2016-04-219590-603-09324.50 ppb
2016-04-219590-604-08583.50 ppb
2016-04-219590-605-08213.40 ppb
2016-04-219590-606-08172.60 ppb
2016-04-219590-607-08473.30 ppb
2016-04-219590-608-08093.30 ppb
2016-10-209590-601-0823ND
2016-10-209590-602-0754ND
2016-10-209590-603-0836ND
2016-10-209590-604-0812ND
2016-10-209590-605-0743ND
2016-10-209590-606-0728ND
2016-10-209590-607-0803ND
2016-10-209590-608-0721ND
2017-01-199590-601-0851ND
2017-01-199590-602-0814ND
2017-01-199590-603-0903ND
2017-01-199590-604-0828ND
2017-01-199590-605-0802ND
2017-01-199590-606-0747ND
2017-01-199590-607-0821ND
2017-01-199590-608-0738ND
2017-04-209590-601-08553.10 ppb
2017-04-209590-602-08262.60 ppb
2017-04-209590-603-09073.90 ppb
2017-04-209590-604-08463.20 ppb
2017-04-209590-605-08153.30 ppb
2017-04-209590-606-08001.40 ppb
2017-04-209590-607-08363.40 ppb
2017-04-209590-608-07523.20 ppb
2017-07-209590-601-09472.30 ppb
2017-07-209590-602-08483.40 ppb
2017-07-209590-603-10082.10 ppb
2017-07-209590-604-09372.50 ppb
2017-07-209590-605-08292.30 ppb
2017-07-209590-606-08172.00 ppb
2017-07-209590-607-09272.60 ppb
2017-07-209590-608-08072.10 ppb
2017-10-269590-601-08501.40 ppb
2017-10-269590-602-08021.40 ppb
2017-10-269590-603-09081.40 ppb
2017-10-269590-604-08301.30 ppb
2017-10-269590-605-0746ND
2017-10-269590-606-0732ND
2017-10-269590-607-08191.40 ppb
2017-10-269590-608-07221.30 ppb
2018-02-089590-605-08581.90 ppb
2018-02-089590-606-08422.60 ppb
2018-02-089590-608-08302.60 ppb
2018-03-079590-601-08343.50 ppb
2018-03-079590-602-07263.40 ppb
2018-03-079590-603-08202.70 ppb
2018-03-079590-604-08003.40 ppb
2018-03-079590-607-07403.10 ppb
2018-05-169590-601-08052.60 ppb
2018-05-169590-602-07392.60 ppb
2018-05-169590-603-08212.00 ppb
2018-05-169590-604-07562.70 ppb
2018-05-169590-605-07261.70 ppb
2018-05-169590-606-07112.20 ppb
2018-05-169590-607-07482.50 ppb
2018-05-169590-608-07012.50 ppb
2018-10-189588-601-0835ND
2018-10-189588-602-0925ND
2018-10-189588-603-1000ND
2018-10-189588-605-1035ND
2018-10-189588-606-1050ND
2018-10-189588-607-0910ND
2018-10-189588-608-1100ND
2018-10-239588-604-0730ND
2019-01-229588-601-08002.40 ppb
2019-01-229588-602-09501.90 ppb
2019-01-229588-603-08202.80 ppb
2019-01-229588-604-07452.20 ppb
2019-01-229588-605-09351.70 ppb
2019-01-229588-606-09202.00 ppb
2019-01-229588-607-08352.00 ppb
2019-01-229588-608-0900ND
2019-04-309588-601-07506.10 ppb
2019-04-309588-602-10355.50 ppb
2019-04-309588-603-08503.60 ppb
2019-04-309588-604-07355.80 ppb
2019-04-309588-605-10254.30 ppb
2019-04-309588-606-10153.70 ppb
2019-04-309588-607-10005.90 ppb
2019-04-309588-608-10555.80 ppb
2019-07-029588-601-08172.70 ppb
2019-07-029588-602-07382.40 ppb
2019-07-029588-603-08351.80 ppb
2019-07-029588-604-08022.70 ppb
2019-07-029588-605-07231.60 ppb
2019-07-029588-606-07072.10 ppb
2019-07-029588-607-07492.70 ppb
2019-07-029588-608-06552.50 ppb
2019-10-159588-601-10152.30 ppb
2019-10-159588-602-09492.40 ppb
2019-10-159588-603-10402.10 ppb
2019-10-159588-604-10072.40 ppb
2019-10-159588-605-09371.70 ppb
2019-10-159588-606-09262.50 ppb
2019-10-159588-607-09372.40 ppb
2019-10-159588-608-09172.40 ppb