Know Your Environment. Protect Your Health.

Trichloroacetic acid

Trophy Club Municipal Utility District 1

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.163 ppb81ND - 1.30 ppb
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
2023ND80ND

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
2018-01-08Q1800562002ND
2018-01-08Q18005620011.30 ppb
2018-04-11Q1815187006ND
2018-04-11Q1815187002ND
2018-07-16Q1828197001ND
2018-07-16Q1828197002ND
2018-10-17Q1841747001ND
2018-10-17Q1841747002ND
2019-02-06Q1905614001ND
2019-02-06Q1905614002ND
2019-04-18Q1915718002ND
2019-04-18Q1915718006ND
2019-07-29Q1949770002ND
2019-07-29Q1949770001ND
2019-10-21Q1973466001ND
2019-10-21Q1973466002ND
2020-02-03Q2004503001ND
2020-02-03Q2004503002ND
2020-05-12Q2018406010ND
2020-05-12Q2018406011ND
2020-09-09Q2035976001ND
2020-09-09Q2035976002ND
2020-11-16Q2045210001ND
2020-11-16Q2045210002ND
2021-01-27Q2102038002ND
2021-01-27Q2102038003ND
2021-05-20Q2113241001ND
2021-05-20Q2113241002ND
2021-07-19Q2118848001ND
2021-07-19Q2118848002ND
2021-10-21Q2129765001ND
2021-10-21Q2129765002ND
2022-02-17Q2205964005ND
2022-02-17Q2205964006ND
2022-04-25Q2212331001ND
2022-04-25Q2212331002ND
2022-09-12Q2226980001ND
2022-09-12Q2226980002ND
2022-11-15Q2234277001ND
2022-11-15Q2234277002ND
2023-01-26Q2303744001ND
2023-01-26Q2303744002ND
2023-04-24Q2315256009ND
2023-04-24Q2315256010ND
2023-07-03Q2326093001ND
2023-07-03Q2326093002ND
2023-10-25Q2346053001ND
2023-10-25Q2346053002ND