Know Your Environment. Protect Your Health.

Trichloroacetic acid

Tangipahoa Parish Water 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
20200.190 ppb21ND - 0.380 ppb
2021ND20ND
20220.190 ppb21ND - 0.380 ppb
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
2018-08-0335408755001ND
2018-08-0335408755001ND
2018-11-0135428044001ND
2018-11-0135428044001ND
2019-08-1935491715001ND
2019-08-1935491715001ND
2019-11-0135509126001ND
2019-11-0135509126001ND
2020-08-0735568951001ND
2020-11-06355905190010.380 ppb
2021-08-0635653779001ND
2021-11-1235677365001ND
2022-08-09357390740010.380 ppb
2022-11-0435758180001ND
2023-08-0235818079001ND
2023-11-0135838592001ND