Know Your Environment. Protect Your Health.

Trichloroacetic acid

Township 29 Water Association

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.280 ppb51ND - 1.40 ppb
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND20ND
20230.350 ppb41ND - 1.40 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
2018-01-17ND
2018-04-091.40 ppb
2018-08-13ND
2018-08-13ND
2018-12-05ND
2019-03-15ND
2019-06-12ND
2021-05-054114156ND
2022-06-154302568ND
2022-12-304399164ND
2023-01-0443991671.40 ppb
2023-04-124447735ND
2023-07-124579965ND
2023-10-264543393ND