Know Your Environment. Protect Your Health.

Trichloroacetic acid

Harris County Municipal Utility District 122

NOTE: Harris County Municipal Utility District 122 purchases water from Fort Bend County WCID 2 which is required to test for trichloroacetic acid. Sample information shown below was taken by Fort Bend County WCID 2.

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.

 

95

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: Harris County Municipal Utility District 122 purchases water from Fort Bend County WCID 2 which is required to test for trichloroacetic acid. Sample information shown below was taken by Fort Bend County WCID 2.

Date Lab ID Result
2018-01-09AE08323ND
2018-01-09AE08324ND
2018-01-09AE08325ND
2018-01-09AE08322ND
2018-04-18AE22964ND
2018-04-18AE22971ND
2018-04-18AE22972ND
2018-04-18AE22999ND
2018-07-19AE33937ND
2018-07-19AE33938ND
2018-07-19AE33943ND
2018-07-19AE33944ND
2018-10-31AE45040ND
2018-10-31AE45042ND
2018-10-31AE45041ND
2018-10-31AE45039ND
2019-01-25AE51573ND
2019-01-25AE51574ND
2019-01-25AE51577ND
2019-01-25AE51579ND
2019-04-11AE61997ND
2019-04-11AE62000ND
2019-04-11AE62001ND
2019-04-11AE62003ND
2019-07-19AE752303.60 ppb
2019-07-19AE75233ND
2019-07-19AE75231ND
2019-07-19AE75232ND
2019-10-08AE85961ND
2019-10-08AE85962ND
2019-10-08AE85963ND
2019-10-08AE85964ND
2020-01-17AE94116ND
2020-01-17AE94117ND
2020-01-17AE94118ND
2020-01-17AE94119ND
2020-04-01AF05267ND
2020-04-01AF05269ND
2020-04-01AF05268ND
2020-04-01AF05266ND
2020-07-21AF20019ND
2020-07-21AF20020ND
2020-07-21AF20032ND
2020-10-02AF29467ND
2020-10-02AF29468ND
2020-10-02AF29471ND
2020-10-02AF29472ND
2021-01-13AF39124ND
2021-01-13AF39127ND
2021-01-13AF39125ND
2021-01-13AF39126ND
2021-04-12AF49765ND
2021-04-12AF49766ND
2021-04-12AF49767ND
2021-04-12AF49764ND
2021-07-15AF62096ND
2021-07-15AF62097ND
2021-07-15AF62098ND
2021-07-15AF62099ND
2021-11-01AF75221ND
2021-11-01AF75220ND
2021-11-01AF75219ND
2021-11-01AF75218ND
2022-01-31AF82497ND
2022-01-31AF82498ND
2022-01-31AF82499ND
2022-01-31AF82500ND
2022-04-22AF94204ND
2022-04-22AF94205ND
2022-04-22AF94206ND
2022-04-22AF94207ND
2022-07-05AG03224ND
2022-07-05AG03222ND
2022-07-05AG03220ND
2022-07-05AG03223ND
2022-10-14AG17217ND
2022-10-14AG17218ND
2022-10-14AG17223ND
2022-10-14AG17224ND
2023-01-09AG23369ND
2023-01-09AG23370ND
2023-01-09AG23373ND
2023-01-09AG23374ND
2023-04-03AG35090ND
2023-04-03AG35094ND
2023-04-03AG35093ND
2023-04-03AG35089ND
2023-08-30AG54644ND
2023-08-30AG54646ND
2023-08-30AG54647ND
2023-08-30AG54648ND
2023-10-11AG59368ND
2023-10-11AG59369ND
2023-10-11AG59370ND
2023-10-11AG59371ND