Know Your Environment. Protect Your Health.

Trichloroacetic acid

Anthony Water & Sanitation District

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.202 ppb123ND - 0.980 ppb
2020ND80ND
2021ND20ND
2022ND20ND
20230.555 ppb220.450 ppb - 0.660 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
2018-06-202018017134ND
2018-06-202018017133ND
2019-06-252019017669ND
2019-06-252019017668ND
2019-06-252019017667ND
2019-06-252019017666ND
2019-09-252019027398ND
2019-09-252019027397ND
2019-09-252019027396ND
2019-09-252019027395ND
2019-12-1120190350230.610 ppb
2019-12-1120190350220.980 ppb
2019-12-112019035021ND
2019-12-1120190350200.830 ppb
2020-03-252020011356ND
2020-03-252020011355ND
2020-03-252020011354ND
2020-03-252020011353ND
2020-06-152020127370ND
2020-06-152020127373ND
2020-06-152020127372ND
2020-06-152020127371ND
2021-06-092021126217ND
2021-06-092021126218ND
2022-06-082022089030ND
2022-06-082022089031ND
2023-06-0620230280620.450 ppb
2023-06-0620230280630.660 ppb