Know Your Environment. Protect Your Health.

Trichloroacetic acid

Pajaro Community Services 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND30ND
2022ND20ND
20230.333 ppb31ND - 1.000 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
2018-08-13CA2710020_DST_801-201808131150ND
2018-08-13CA2710020_DST_802-201808131130ND
2019-08-12CA2710020_DST_802-201908120958ND
2019-08-12CA2710020_DST_801-201908121045ND
2020-08-12CA2710020_DST_801-202008121138ND
2020-08-12CA2710020_DST_802-202008121115ND
2021-08-02CA2710020_DST_801-202108020829ND
2021-08-02CA2710020_DST_802-202108020808ND
2021-08-23CA2710020_DST_801-202108230855ND
2022-08-01CA2710020_DST_801-202208011000ND
2022-08-01CA2710020_DST_802-202208010930ND
2023-03-27CA2710020_DST_802-2023032710431.000 ppb
2023-08-07CA2710020_DST_801-202308070855ND
2023-08-07CA2710020_DST_802-202308070910ND