Know Your Environment. Protect Your Health.

Trichloroacetic acid

El Paso County Water Control and Improvement District 4 Fabens

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.600 ppb21ND - 1.20 ppb
20191.000 ppb64ND - 2.20 ppb
20201.13 ppb881.000 ppb - 1.50 ppb
20210.925 ppb86ND - 1.50 ppb
20220.138 ppb81ND - 1.10 ppb
20230.125 ppb81ND - 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
2018-05-03Q1817950002ND
2018-05-03Q18179500011.20 ppb
2019-05-30Q19303720041.60 ppb
2019-05-30Q19303720032.20 ppb
2019-08-05Q19506610011.20 ppb
2019-08-05Q1950661002ND
2019-10-16Q19729600011.000 ppb
2019-10-16Q1972960002ND
2020-03-04Q20082170051.50 ppb
2020-03-04Q20082170061.10 ppb
2020-04-21Q20160790021.000 ppb
2020-04-21Q20160790011.40 ppb
2020-08-27Q20344000011.000 ppb
2020-08-27Q20344000021.000 ppb
2020-11-17Q20455400011.000 ppb
2020-11-17Q20455400021.000 ppb
2021-01-20Q2101450005ND
2021-01-20Q21014500061.10 ppb
2021-04-20Q21101390011.10 ppb
2021-04-20Q21101390021.20 ppb
2021-07-21Q21191210011.50 ppb
2021-07-21Q21191210021.50 ppb
2021-11-04Q21309900011.000 ppb
2021-11-04Q2130990002ND
2022-03-08Q2207996007ND
2022-03-08Q2207996008ND
2022-05-05Q2213708001ND
2022-05-05Q2213708002ND
2022-08-04Q22224930011.10 ppb
2022-08-04Q2222493002ND
2022-10-20Q2231864001ND
2022-10-20Q2231864002ND
2023-02-01Q23042200111.000 ppb
2023-02-01Q2304220012ND
2023-05-15Q2318240001ND
2023-05-15Q2318240002ND
2023-08-10Q2333236001ND
2023-08-10Q2333236002ND
2023-10-12Q2343560001ND
2023-10-12Q2343560002ND