Know Your Environment. Protect Your Health.

Trichloroacetic acid

Gove, 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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.130 ppb41ND - 0.520 ppb
20190.320 ppb32ND - 0.930 ppb
2020ND50ND
20210.198 ppb41ND - 0.790 ppb
2022ND30ND
20230.630 ppb110.630 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
2018-03-20937817ND
2018-06-209912300.520 ppb
2018-09-261050389ND
2018-12-191093568ND
2019-03-2511383950.0300 ppb
2019-07-171206048ND
2019-09-2512480900.930 ppb
2020-01-081304873ND
2020-03-251346429ND
2020-06-241414912ND
2020-09-231518310ND
2020-12-151712173ND
2021-04-071813780ND
2021-06-2318672620.790 ppb
2021-09-221966507ND
2021-12-152075930ND
2022-03-282223656ND
2022-06-272287679ND
2022-09-212363323ND
2023-10-0425873810.630 ppb