Know Your Environment. Protect Your Health.

Trichloroacetic acid

Bristol Waterworks Village Of

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0950 ppb110.0950 ppb
20190.450 ppb110.450 ppb
20200.960 ppb110.960 ppb
2021ND10ND
20220.320 ppb110.320 ppb
20230.220 ppb110.220 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
2018-08-1510741960.0950 ppb
2019-08-2111426910.450 ppb
2020-08-1112063090.960 ppb
2021-08-111270922ND
2022-08-0313279280.320 ppb
2023-08-08CB09340-010.220 ppb