Know Your Environment. Protect Your Health.

Trichloroacetic acid

University of Connecticut - Main Campus

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.

 

118

Samples

0

Samples exceeding legal limit (MCL)

90

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.91 ppb2417ND - 6.20 ppb
20191.53 ppb2417ND - 9.50 ppb
20202.03 ppb2217ND - 5.50 ppb
20212.90 ppb1614ND - 9.30 ppb
20223.03 ppb1613ND - 6.60 ppb
20232.26 ppb1612ND - 9.20 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-15CA02987HAA53.50 ppb
2018-03-15CA02988HAA51.20 ppb
2018-03-15CA02989HAA56.20 ppb
2018-03-15CA02990HAA5ND
2018-06-12CA68568HAA54.70 ppb
2018-06-12CA68569HAA53.30 ppb
2018-06-12CA68570HAA55.00 ppb
2018-06-12CA68571HAA5ND
2018-09-19DBP 2005061823.30 ppb
2018-09-19DBP 200506184ND
2018-09-19DBP 2005061860.600 ppb
2018-09-19DBP 2005061891.30 ppb
2018-09-25DBP 2005067203.20 ppb
2018-09-25DBP 200506721ND
2018-09-25DBP 2005067220.600 ppb
2018-09-25DBP 2005067232.60 ppb
2018-09-26DBP 200506966ND
2018-09-27DBP 2005070732.20 ppb
2018-12-04DBP 2005147240.900 ppb
2018-12-04DBP 200514725ND
2018-12-04DBP 2005147260.600 ppb
2018-12-04DBP 2005147283.40 ppb
2018-12-17DBP 2005162813.30 ppb
2018-12-17DBP 200516282ND
2019-03-18DBP 2005250242.00 ppb
2019-03-18DBP 2005250262.80 ppb
2019-03-18DBP 2005250290.700 ppb
2019-03-18DBP 2005250310.700 ppb
2019-03-18DBP 2005250332.20 ppb
2019-03-18DBP 200525034ND
2019-06-24DBP 2005375410.800 ppb
2019-06-24DBP 2005375421.90 ppb
2019-06-24DBP 200537543ND
2019-06-25DBP 2005378061.80 ppb
2019-06-25DBP 2005378072.20 ppb
2019-06-25DBP 2005378081.20 ppb
2019-09-16DBP 2005490011.70 ppb
2019-09-16DBP 200549002ND
2019-09-16DBP 2005490400.700 ppb
2019-09-16DBP 200549041ND
2019-09-16DBP 2005490431.60 ppb
2019-09-16DBP 200549044ND
2019-12-09DBP 2005594122.30 ppb
2019-12-09DBP 2005594161.30 ppb
2019-12-09DBP 200559419ND
2019-12-09DBP 2005594229.50 ppb
2019-12-09DBP 2005594253.30 ppb
2019-12-09DBP 200559427ND
2020-03-10DBP 2005688615.50 ppb
2020-03-10DBP 2005688624.70 ppb
2020-03-10DBP 200568863ND
2020-03-10DBP 2005688640.800 ppb
2020-03-10DBP 2005688653.80 ppb
2020-03-10DBP 200568866ND
2020-06-08DBP 2005783485.10 ppb
2020-06-08DBP 2005783493.80 ppb
2020-06-08DBP 2005783500.600 ppb
2020-06-08DBP 200578351ND
2020-06-08DBP 2005783523.50 ppb
2020-06-08DBP 2005783530.600 ppb
2020-09-08DBP 2005893104.00 ppb
2020-09-08DBP 2005893113.80 ppb
2020-09-08DBP 2005893120.700 ppb
2020-09-08DBP 2005893130.900 ppb
2020-09-08DBP 2005893143.00 ppb
2020-09-08DBP 200589315ND
2020-12-14DBP 2006011561.30 ppb
2020-12-14DBP 2006011570.800 ppb
2020-12-14DBP 200601385ND
2020-12-15DBP 2006014751.70 ppb
2021-03-10DBP 2006093793.20 ppb
2021-03-10DBP 2006093800.700 ppb
2021-03-10DBP 2006093812.60 ppb
2021-03-10DBP 2006093821.70 ppb
2021-06-01DBP 2006190425.30 ppb
2021-06-01DBP 2006190441.000 ppb
2021-06-01DBP 2006190461.80 ppb
2021-06-01DBP 200619048ND
2021-09-08300054204 3000542086.69 ppb
2021-09-08300054205 3000542101.08 ppb
2021-09-08300054206 3000542121.44 ppb
2021-09-08300054207 3000542143.29 ppb
2021-12-07D300114234 3001142387.40 ppb
2021-12-07D300114235 3001142400.900 ppb
2021-12-07D300114236 3001142429.30 ppb
2021-12-07D300114237 300114244ND
2022-03-07CK804324.30 ppb
2022-03-07CK80433ND
2022-03-07CK804346.60 ppb
2022-03-07CK804355.40 ppb
2022-06-02CL468102.30 ppb
2022-06-02CL46811ND
2022-06-02CL468125.50 ppb
2022-06-02CL468134.40 ppb
2022-09-12CM285242.90 ppb
2022-09-12CM285251.60 ppb
2022-09-12CM285265.50 ppb
2022-09-12CM285272.70 ppb
2022-12-12CN025221.90 ppb
2022-12-12CN025231.60 ppb
2022-12-12CN025243.80 ppb
2022-12-12CN02525ND
2023-03-08CN552813.80 ppb
2023-03-08CN55282ND
2023-03-08CN552833.30 ppb
2023-03-08CN55284ND
2023-06-05CO191799.20 ppb
2023-06-05CO191801.30 ppb
2023-06-05CO191812.30 ppb
2023-06-05CO191821.50 ppb
2023-09-11CO942104.60 ppb
2023-09-11CO942111.60 ppb
2023-09-11CO942122.60 ppb
2023-09-11CO942131.90 ppb
2023-12-05CP598651.50 ppb
2023-12-05CP59866ND
2023-12-05CP598672.60 ppb
2023-12-05CP59868ND