Know Your Environment. Protect Your Health.

Trichloroacetic acid

Hazardville Water Company

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.325 ppb164ND - 1.70 ppb
20190.388 ppb162ND - 4.30 ppb
20200.0875 ppb161ND - 1.40 ppb
20210.331 ppb163ND - 2.10 ppb
20220.206 ppb162ND - 1.80 ppb
20230.388 ppb164ND - 2.30 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
2018-01-22BZ78628HAA51.10 ppb
2018-01-22BZ78629HAA5ND
2018-01-22BZ78630HAA5ND
2018-01-22BZ78627HAA5ND
2018-04-23CA35126HAA5ND
2018-04-23CA35127HAA51.10 ppb
2018-04-23CA35128HAA5ND
2018-04-23CA35129HAA5ND
2018-07-23CA96762ND
2018-07-23CA967631.30 ppb
2018-07-23CA96764ND
2018-07-23CA96765ND
2018-10-22CB803931.70 ppb
2018-10-22CB80395ND
2018-10-22CB80394ND
2018-10-22CB80392ND
2019-01-21CC32630ND
2019-01-21CC32631ND
2019-01-21CC32632ND
2019-01-21CC326334.30 ppb
2019-04-22CC99840ND
2019-04-22CC99841ND
2019-04-22CC99842ND
2019-04-22CC99843ND
2019-07-22CD632561.90 ppb
2019-07-22CD63258ND
2019-07-22CD63257ND
2019-07-22CD63255ND
2019-10-21CE45706ND
2019-10-21CE45707ND
2019-10-21CE45708ND
2019-10-21CE45705ND
2020-01-27CF22222ND
2020-01-27CF22223ND
2020-01-27CF22224ND
2020-01-27CF22225ND
2020-04-21CF76663ND
2020-04-21CF76664ND
2020-04-21CF76662ND
2020-04-21CF76661ND
2020-07-21CG37622ND
2020-07-21CG376231.40 ppb
2020-07-21CG37624ND
2020-07-21CG37625ND
2020-10-26CH04447ND
2020-10-26CH04448ND
2020-10-26CH04449ND
2020-10-26CH04450ND
2021-01-25CH52643ND
2021-01-25CH52640ND
2021-01-25CH526411.50 ppb
2021-01-25CH52642ND
2021-04-26CI16242ND
2021-04-26CI16243ND
2021-04-26CI16244ND
2021-04-26CI16241ND
2021-07-26CI82857ND
2021-07-26CI828581.70 ppb
2021-07-26CI82859ND
2021-07-26CI82860ND
2021-10-25CJ64838ND
2021-10-25CJ64837ND
2021-10-25CJ648362.10 ppb
2021-10-25CJ64835ND
2022-01-24CK22495ND
2022-01-24CK22496ND
2022-01-24CK22497ND
2022-01-24CK22498ND
2022-04-25CL15820ND
2022-04-25CL15821ND
2022-04-25CL15822ND
2022-04-25CL15823ND
2022-07-25CL86227ND
2022-07-25CL862251.50 ppb
2022-07-25CL86224ND
2022-07-25CL86226ND
2022-10-24CM69751ND
2022-10-24CM697521.80 ppb
2022-10-24CM69753ND
2022-10-24CM69754ND
2023-01-23CN28212ND
2023-01-23CN28213ND
2023-01-23CN28214ND
2023-01-23CN28215ND
2023-04-24CN89680ND
2023-04-24CN89682ND
2023-04-24CN89681ND
2023-04-24CN89679ND
2023-07-24CO56914ND
2023-07-24CO569151.30 ppb
2023-07-24CO56916ND
2023-07-24CO569171.20 ppb
2023-10-23CP31467ND
2023-10-23CP314682.30 ppb
2023-10-23CP31469ND
2023-10-23CP314701.40 ppb