Know Your Environment. Protect Your Health.

Trichloroacetic acid

Hawthorne Army Depot

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20190.888 ppb82ND - 3.90 ppb
20200.238 ppb81ND - 1.90 ppb
2021ND70ND
2022ND80ND
20230.213 ppb81ND - 1.70 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
2018-01-041801114-003ND
2018-01-041801114-004ND
2018-04-041804260-002ND
2018-04-041804260-004ND
2018-07-031807107-001ND
2018-07-031807107-002ND
2018-10-1118100447-005ND
2018-10-1118100447-004ND
2019-01-0319010084-002ND
2019-01-0319010084-001ND
2019-04-0419040154-003ND
2019-04-0419040154-004ND
2019-07-0319070146-0053.90 ppb
2019-07-0319070146-006ND
2019-10-1619100607-002ND
2019-10-1619100607-0013.20 ppb
2020-01-3020010826-002ND
2020-01-3020010826-0011.90 ppb
2020-04-09202004100172ND
2020-04-09202004100181ND
2020-07-1620070560-002ND
2020-07-1620070560-001ND
2020-11-11202011130825ND
2020-11-11202011130824ND
2021-01-14202101200795ND
2021-01-14202101200794ND
2021-04-08202104140002ND
2021-04-08202104140001ND
2021-07-08202107170164ND
2021-07-08202107170162ND
2021-10-06202110120072ND
2022-01-05202201110298ND
2022-01-05202201110297ND
2022-04-07202204130759ND
2022-04-07202204130760ND
2022-07-272H03011-01ND
2022-07-272H03011-02ND
2022-10-04380-23516-2ND
2022-10-04380-23516-1ND
2023-01-04AGA1139-01ND
2023-01-04AGA1139-02ND
2023-04-05AGD1496-01ND
2023-04-05AGD1496-02ND
2023-07-12AGG2138-01ND
2023-07-12AGG2138-02ND
2023-10-0423100180-001ND
2023-10-0423100180-0021.70 ppb