Know Your Environment. Protect Your Health.

Trichloroacetic acid

Clark Co. Health Care Center

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.170 ppb21ND - 0.340 ppb
20190.270 ppb110.270 ppb
20200.329 ppb110.329 ppb
20210.471 ppb110.471 ppb
2022ND10ND
20230.147 ppb31ND - 0.440 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
2018-08-201808K45-001BND
2018-09-2810845770.340 ppb
2019-09-1819I0773-080.270 ppb
2020-08-1820H0603-010.329 ppb
2021-07-1221G0332-030.471 ppb
2022-08-0922H0337-07ND
2023-06-07CB06259-01ND
2023-12-06CB14773-01ND
2023-12-28CC00112-010.440 ppb