Know Your Environment. Protect Your Health.

Trichloroacetic acid

Quail Ridge Estates Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.880 ppb440.880 ppb
20190.653 ppb64ND - 0.990 ppb
20200.955 ppb220.940 ppb - 0.970 ppb
20210.805 ppb220.750 ppb - 0.860 ppb
20220.335 ppb21ND - 0.670 ppb
20230.885 ppb220.860 ppb - 0.910 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
2018-08-01354087180020.880 ppb
2018-08-01354087180010.880 ppb
2018-08-01354087180020.880 ppb
2018-08-01354087180010.880 ppb
2019-08-0735489023002ND
2019-08-0735489023002ND
2019-08-28354945320020.990 ppb
2019-08-28354945320020.990 ppb
2019-08-28354945320010.970 ppb
2019-08-28354945320010.970 ppb
2020-08-07355690230010.970 ppb
2020-08-07355690230020.940 ppb
2021-08-06356537630010.750 ppb
2021-08-06356537630020.860 ppb
2022-08-17357415390010.670 ppb
2022-08-1735741539002ND
2023-08-09358199050010.860 ppb
2023-08-09358199050020.910 ppb