Trichloroacetic acid
City of Kearney
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 1.61 ppb | 16 | 15 | ND - 4.41 ppb |
2015 | 2.80 ppb | 16 | 15 | ND - 9.09 ppb |
2016 | 2.83 ppb | 16 | 16 | 1.46 ppb - 4.56 ppb |
2017 | 1.52 ppb | 16 | 16 | 0.517 ppb - 3.29 ppb |
2018 | 1.07 ppb | 16 | 16 | 0.540 ppb - 1.86 ppb |
2019 | 1.55 ppb | 16 | 15 | ND - 5.16 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 |
---|---|---|
2014-01-13 | 283333 | 4.41 ppb |
2014-01-13 | 283332 | 1.57 ppb |
2014-01-13 | 283330 | 2.40 ppb |
2014-01-13 | 283331 | 1.73 ppb |
2014-04-15 | 295163 | 1.04 ppb |
2014-04-15 | 295164 | 1.28 ppb |
2014-04-15 | 295165 | 1.71 ppb |
2014-04-15 | 295166 | 1.49 ppb |
2014-07-14 | 312002 | 0.910 ppb |
2014-07-14 | 312003 | 0.790 ppb |
2014-07-14 | 312004 | 0.810 ppb |
2014-07-14 | 312005 | ND |
2014-11-03 | 332940 | 1.43 ppb |
2014-11-03 | 332939 | 1.50 ppb |
2014-11-03 | 332938 | 3.22 ppb |
2014-11-03 | 332937 | 1.54 ppb |
2015-02-03 | 346558 | 1.01 ppb |
2015-02-03 | 346561 | 2.04 ppb |
2015-02-03 | 346560 | 1.06 ppb |
2015-02-03 | 346559 | 1.02 ppb |
2015-05-04 | 361741 | 0.520 ppb |
2015-05-04 | 361742 | 0.540 ppb |
2015-05-04 | 361743 | ND |
2015-05-04 | 361740 | 0.950 ppb |
2015-08-03 | 374559 | 2.95 ppb |
2015-08-03 | 374560 | 4.93 ppb |
2015-08-03 | 374561 | 3.33 ppb |
2015-08-03 | 374558 | 2.93 ppb |
2015-11-02 | 393722 | 9.09 ppb |
2015-11-02 | 393721 | 4.52 ppb |
2015-11-02 | 393720 | 4.02 ppb |
2015-11-02 | 393719 | 5.85 ppb |
2016-02-01 | 4.56 ppb | |
2016-02-01 | 2.44 ppb | |
2016-02-01 | 2.48 ppb | |
2016-02-01 | 3.45 ppb | |
2016-05-02 | 2.17 ppb | |
2016-05-02 | 2.96 ppb | |
2016-05-02 | 2.21 ppb | |
2016-05-02 | 2.24 ppb | |
2016-08-01 | 1.46 ppb | |
2016-08-01 | 1.84 ppb | |
2016-08-01 | 3.11 ppb | |
2016-08-01 | 2.14 ppb | |
2016-11-08 | 3.88 ppb | |
2016-11-08 | 3.81 ppb | |
2016-11-08 | 3.64 ppb | |
2016-11-08 | 2.88 ppb | |
2017-02-06 | 1.86 ppb | |
2017-02-06 | 1.90 ppb | |
2017-02-06 | 1.75 ppb | |
2017-02-06 | 3.29 ppb | |
2017-05-01 | 1.32 ppb | |
2017-05-01 | 1.20 ppb | |
2017-05-01 | 0.723 ppb | |
2017-05-01 | 1.54 ppb | |
2017-08-08 | 0.517 ppb | |
2017-08-08 | 0.562 ppb | |
2017-08-08 | 0.809 ppb | |
2017-08-08 | 0.556 ppb | |
2017-11-07 | 1.94 ppb | |
2017-11-07 | 1.88 ppb | |
2017-11-07 | 1.75 ppb | |
2017-11-07 | 2.80 ppb | |
2018-02-05 | 534104 | 1.46 ppb |
2018-02-05 | 534103 | 1.53 ppb |
2018-02-05 | 534102 | 1.59 ppb |
2018-02-05 | 534101 | 1.83 ppb |
2018-05-07 | 549833 | 1.20 ppb |
2018-05-07 | 549830 | 0.743 ppb |
2018-05-07 | 549831 | 0.540 ppb |
2018-05-07 | 549832 | 0.625 ppb |
2018-08-06 | 567034 | 0.631 ppb |
2018-08-06 | 567033 | 0.587 ppb |
2018-08-06 | 567032 | 1.51 ppb |
2018-08-06 | 567031 | 0.672 ppb |
2018-11-05 | 583386 | 0.859 ppb |
2018-11-05 | 583387 | 0.822 ppb |
2018-11-05 | 583388 | 0.733 ppb |
2018-11-05 | 583389 | 1.86 ppb |
2019-02-04 | 595252 | 0.770 ppb |
2019-02-04 | 595253 | 0.785 ppb |
2019-02-04 | 595254 | 1.81 ppb |
2019-02-04 | 595255 | 0.804 ppb |
2019-05-06 | 600584 | 1.27 ppb |
2019-05-06 | 600587 | 1.60 ppb |
2019-05-06 | 600586 | 0.953 ppb |
2019-05-06 | 600585 | 0.990 ppb |
2019-08-05 | 622469 | 1.31 ppb |
2019-08-05 | 622471 | 1.45 ppb |
2019-08-05 | 622470 | 1.58 ppb |
2019-08-05 | 622468 | ND |
2019-11-04 | 644393 | 2.37 ppb |
2019-11-04 | 644392 | 2.18 ppb |
2019-11-04 | 644391 | 1.81 ppb |
2019-11-04 | 644390 | 5.16 ppb |