Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Freeport Slaughter Road

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20192.10 ppb112.10 ppb
20200.900 ppb32ND - 1.70 ppb
20210.575 ppb42ND - 1.30 ppb
2022ND40ND
20230.575 ppb41ND - 2.30 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
2018-07-31AE35062ND
2019-05-01AE643272.10 ppb
2020-05-05AF096581.000 ppb
2020-07-28AF210831.70 ppb
2020-12-09AF37038ND
2021-01-21AF40348ND
2021-04-27AF516401.000 ppb
2021-07-29AF64021ND
2021-10-18AF737491.30 ppb
2022-01-20AF80957ND
2022-05-10AF96464ND
2022-09-08AG12047ND
2022-10-20AG17796ND
2023-02-02AG27155ND
2023-04-12AG36472ND
2023-08-09AG521032.30 ppb
2023-11-17AG64178ND