Know Your Environment. Protect Your Health.

Trichloroacetic acid

Parkspace La LLC - (tp #1)

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)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.885 ppb440.810 ppb - 0.960 ppb
20201.10 ppb221.10 ppb
20210.900 ppb220.880 ppb - 0.920 ppb
20220.775 ppb220.770 ppb - 0.780 ppb
20230.915 ppb220.900 ppb - 0.930 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
2018-08-0235408715001ND
2018-08-0235408715002ND
2018-08-0235408715001ND
2018-08-0235408715002ND
2019-08-14354912090010.810 ppb
2019-08-14354912090020.960 ppb
2019-08-14354912090010.810 ppb
2019-08-14354912090020.960 ppb
2020-08-20355725660011.10 ppb
2020-08-20355725660021.10 ppb
2021-08-27356596170010.920 ppb
2021-08-27356596170020.880 ppb
2022-08-05357374750010.770 ppb
2022-08-05357374750020.780 ppb
2023-08-23358232570010.930 ppb
2023-08-23358232570020.900 ppb