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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

City of Haysville

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.178 ppb162ND - 2.10 ppb
20150.0525 ppb161ND - 0.840 ppb
20160.129 ppb163ND - 0.800 ppb
20170.102 ppb162ND - 1.000 ppb
20180.253 ppb164ND - 1.60 ppb
20190.251 ppb166ND - 0.870 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
2014-03-1176648ND
2014-03-1176647ND
2014-03-1176646ND
2014-03-1176645ND
2014-06-10126887ND
2014-06-10126886ND
2014-06-10126852ND
2014-06-101268512.10 ppb
2014-09-09191462ND
2014-09-09191460ND
2014-09-091914680.740 ppb
2014-09-09191470ND
2014-12-08243939ND
2014-12-08243938ND
2014-12-08243937ND
2014-12-08243936ND
2015-03-16296754ND
2015-03-162967530.840 ppb
2015-03-16296752ND
2015-03-16296751ND
2015-06-15349017ND
2015-06-15349018ND
2015-06-15349020ND
2015-06-15349019ND
2015-09-14405796ND
2015-09-14405795ND
2015-09-14405794ND
2015-09-14405793ND
2015-12-14461218ND
2015-12-14461217ND
2015-12-14461216ND
2015-12-14461215ND
2016-03-07506793ND
2016-03-07506792ND
2016-03-07506794ND
2016-03-07506795ND
2016-06-06559294ND
2016-06-06559293ND
2016-06-065592920.580 ppb
2016-06-06559291ND
2016-09-12621504ND
2016-09-126215030.800 ppb
2016-09-12621502ND
2016-09-12621501ND
2016-12-06668538ND
2016-12-06668541ND
2016-12-06668540ND
2016-12-066685390.690 ppb
2017-03-13723283ND
2017-03-13723282ND
2017-03-13723281ND
2017-03-13723280ND
2017-06-12776689ND
2017-06-12776688ND
2017-06-12776687ND
2017-06-12776686ND
2017-09-18842345ND
2017-09-18842344ND
2017-09-18842346ND
2017-09-188423470.630 ppb
2017-12-11891687ND
2017-12-118916861.000 ppb
2017-12-11891685ND
2017-12-11891684ND
2018-03-12936174ND
2018-03-12936173ND
2018-03-12936172ND
2018-03-129361710.580 ppb
2018-06-11986704ND
2018-06-119867051.60 ppb
2018-06-11986707ND
2018-06-11986706ND
2018-09-171044630ND
2018-09-1710446291.20 ppb
2018-09-1710446280.660 ppb
2018-09-171044627ND
2018-12-101089162ND
2018-12-101089161ND
2018-12-101089160ND
2018-12-101089159ND
2019-03-181139297ND
2019-03-181139296ND
2019-03-181139298ND
2019-03-1811392990.630 ppb
2019-06-101184526ND
2019-06-101184525ND
2019-06-1011845240.770 ppb
2019-06-1011845230.590 ppb
2019-09-1712430150.870 ppb
2019-09-171243014ND
2019-09-1712430130.510 ppb
2019-09-171243012ND
2019-12-021281575ND
2019-12-021281579ND
2019-12-021281578ND
2019-12-0212815760.640 ppb