Know Your Environment. Protect Your Health.

Trichloroacetic acid

Minatare, City 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
20223.85 ppb222.98 ppb - 4.71 ppb
20230.753 ppb220.739 ppb - 0.767 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
2018-08-20568523ND
2018-08-20568524ND
2019-08-12628432ND
2019-08-12628433ND
2020-08-17689898ND
2020-08-17689899ND
2021-08-16753788ND
2021-08-16753789ND
2022-08-088161664.71 ppb
2022-08-088161652.98 ppb
2023-08-148802490.739 ppb
2023-08-148802480.767 ppb