Know Your Environment. Protect Your Health.

Trichloroacetic acid

Harris County Municipal Utility District 400 - West

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-05-23AE27401ND
2018-05-23AE27403ND
2019-09-04AE81992ND
2019-09-04AE81993ND
2020-09-03AF26448ND
2020-09-03AF26449ND
2021-06-10AF57461ND
2021-06-10AF57464ND
2022-06-22AG01918ND
2022-06-22AG01919ND
2023-06-29AG46726ND
2023-06-29AG46727ND