Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Westworth Village

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-01-22Q1802293004ND
2018-04-18Q1815737001ND
2018-08-02Q1830871001ND
2018-10-25Q1842726001ND
2019-02-06Q1905498004ND
2019-04-29Q1916909001ND
2019-09-03Q1961528001ND
2019-11-21Q1977741001ND
2020-02-18Q2006088001ND
2020-04-30Q2016738001ND
2020-09-01Q2034837001ND
2020-11-23Q2046948001ND
2021-03-09Q2106122001ND
2021-04-28Q2110746001ND
2021-08-03Q2120189001ND
2021-11-15Q2131787001ND
2022-02-09Q2204733004ND
2022-04-25Q2212333001ND
2022-09-12Q2226954001ND
2022-11-15Q2234282001ND
2023-01-18Q2302601001ND
2023-04-13Q2313715001ND
2023-09-12Q2339118001ND
2023-12-01Q2351643001ND