Know Your Environment. Protect Your Health.

Trichloroacetic acid

Calif State Polytechnical Univ - Pomona

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.

 

88

Samples

0

Samples exceeding legal limit (MCL)

45

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.613 ppb168ND - 1.60 ppb
20190.875 ppb128ND - 1.40 ppb
20201.86 ppb1211ND - 2.50 ppb
20210.375 ppb164ND - 1.80 ppb
20220.475 ppb166ND - 1.40 ppb
20231.47 ppb168ND - 6.10 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
2018-03-20CA1910022_DST_801-201803200945ND
2018-03-20CA1910022_DST_802-201803201035ND
2018-03-20CA1910022_DST_800-201803201010ND
2018-03-20CA1910022_DST_803-201803200930ND
2018-06-19CA1910022_DST_801-2018061911501.10 ppb
2018-06-19CA1910022_DST_802-201806191105ND
2018-06-19CA1910022_DST_800-2018061910401.000 ppb
2018-06-19CA1910022_DST_803-2018061912051.10 ppb
2018-09-18CA1910022_DST_803-2018091810001.60 ppb
2018-09-18CA1910022_DST_801-2018091810301.30 ppb
2018-09-18CA1910022_DST_802-2018091811351.20 ppb
2018-09-18CA1910022_DST_800-2018091811051.30 ppb
2018-12-18CA1910022_DST_803-201812181104ND
2018-12-18CA1910022_DST_800-2018121812181.20 ppb
2018-12-18CA1910022_DST_802-201812181204ND
2018-12-18CA1910022_DST_801-201812181120ND
2019-03-19CA1910022_DST_801-2019031912001.30 ppb
2019-03-19CA1910022_DST_803-2019031911351.30 ppb
2019-03-19CA1910022_DST_800-2019031912301.20 ppb
2019-03-19CA1910022_DST_802-2019031912451.30 ppb
2019-09-17CA1910022_DST_803-2019091711301.30 ppb
2019-09-17CA1910022_DST_801-2019091711151.40 ppb
2019-09-17CA1910022_DST_800-2019091712151.40 ppb
2019-09-17CA1910022_DST_802-2019091712351.30 ppb
2019-12-17CA1910022_DST_801-201912171020ND
2019-12-17CA1910022_DST_803-201912171035ND
2019-12-17CA1910022_DST_802-201912171225ND
2019-12-17CA1910022_DST_800-201912171205ND
2020-06-16CA1910022_DST_800-2020061611152.30 ppb
2020-06-16CA1910022_DST_803-2020061610252.30 ppb
2020-06-16CA1910022_DST_801-202006160930ND
2020-06-16CA1910022_DST_802-2020061611252.20 ppb
2020-09-15CA1910022_DST_801-2020091510152.30 ppb
2020-09-15CA1910022_DST_800-2020091510502.50 ppb
2020-09-15CA1910022_DST_803-2020091509502.40 ppb
2020-09-15CA1910022_DST_802-2020091511102.40 ppb
2020-12-15CA1910022_DST_801-2020121512571.30 ppb
2020-12-15CA1910022_DST_802-2020121512371.30 ppb
2020-12-15CA1910022_DST_800-2020121512202.00 ppb
2020-12-15CA1910022_DST_803-2020121513061.30 ppb
2021-03-16CA1910022_DST_801-202103160931ND
2021-03-16CA1910022_DST_802-202103161035ND
2021-03-16CA1910022_DST_800-202103161011ND
2021-03-16CA1910022_DST_803-202103160921ND
2021-06-15CA1910022_DST_803-2021061509401.10 ppb
2021-06-15CA1910022_DST_801-2021061509561.70 ppb
2021-06-15CA1910022_DST_802-2021061511031.80 ppb
2021-06-15CA1910022_DST_800-2021061510341.40 ppb
2021-09-21CA1910022_DST_803-202109211231ND
2021-09-21CA1910022_DST_801-202109211222ND
2021-09-21CA1910022_DST_802-202109211118ND
2021-09-21CA1910022_DST_800-202109211040ND
2021-12-21CA1910022_DST_802-202112211105ND
2021-12-21CA1910022_DST_800-202112211038ND
2021-12-21CA1910022_DST_803-202112210950ND
2021-12-21CA1910022_DST_801-202112211000ND
2022-03-15CA1910022_DST_803-202203151035ND
2022-03-15CA1910022_DST_801-202203151025ND
2022-03-15CA1910022_DST_802-202203151200ND
2022-03-15CA1910022_DST_800-202203151140ND
2022-06-21CA1910022_DST_800-2022062111201.30 ppb
2022-06-21CA1910022_DST_802-2022062111401.40 ppb
2022-06-21CA1910022_DST_801-2022062110351.30 ppb
2022-06-21CA1910022_DST_803-2022062110251.20 ppb
2022-09-20CA1910022_DST_802-2022092011151.20 ppb
2022-09-20CA1910022_DST_801-2022092010101.20 ppb
2022-09-20CA1910022_DST_803-202209201030ND
2022-09-20CA1910022_DST_800-202209201100ND
2022-12-20CA1910022_DST_803-202212201030ND
2022-12-20CA1910022_DST_802-202212201130ND
2022-12-20CA1910022_DST_801-202212201020ND
2022-12-20CA1910022_DST_800-202212201110ND
2023-03-21CA1910022_DST_803-202303211228ND
2023-03-21CA1910022_DST_802-202303211132ND
2023-03-21CA1910022_DST_800-202303211110ND
2023-03-21CA1910022_DST_801-202303211030ND
2023-06-20CA1910022_DST_802-202306201225ND
2023-06-20CA1910022_DST_803-202306201110ND
2023-06-20CA1910022_DST_801-2023062011301.000 ppb
2023-06-20CA1910022_DST_800-202306201200ND
2023-09-19CA1910022_DST_802-2023091912101.10 ppb
2023-09-19CA1910022_DST_801-202309191040ND
2023-09-19CA1910022_DST_803-2023091910551.20 ppb
2023-09-19CA1910022_DST_800-2023091911501.10 ppb
2023-12-19CA1910022_DST_801-2023121910383.30 ppb
2023-12-19CA1910022_DST_802-2023121911295.80 ppb
2023-12-19CA1910022_DST_800-2023121911156.10 ppb
2023-12-19CA1910022_DST_803-2023121910283.90 ppb