Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Justin

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)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.250 ppb82ND - 1.000 ppb
20190.538 ppb83ND - 1.50 ppb
2020ND80ND
20210.138 ppb81ND - 1.10 ppb
2022ND80ND
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
2018-01-31Q18040690031.000 ppb
2018-01-31Q18040690021.000 ppb
2018-04-26Q1817025002ND
2018-04-26Q1817025001ND
2018-07-18Q1828858001ND
2018-07-18Q1828858002ND
2018-10-17Q1841745002ND
2018-10-17Q1841745005ND
2019-03-07Q19099080011.50 ppb
2019-03-07Q19099080021.40 ppb
2019-06-25Q1939579001ND
2019-06-25Q1939579002ND
2019-09-25Q19693440021.40 ppb
2019-09-25Q1969344001ND
2019-12-19Q1980915002ND
2019-12-19Q1980915003ND
2020-03-09Q2008446001ND
2020-03-09Q2008446002ND
2020-05-11Q2018212001ND
2020-05-11Q2018212002ND
2020-08-04Q2030356001ND
2020-08-04Q2030356002ND
2020-11-16Q2045209001ND
2020-11-16Q2045209002ND
2021-03-11Q2106445002ND
2021-03-11Q21064450031.10 ppb
2021-05-25Q2113517001ND
2021-05-25Q2113517002ND
2021-07-19Q2118852001ND
2021-07-19Q2118852002ND
2021-10-05Q2127296001ND
2021-10-05Q2127296002ND
2022-01-06Q2200433001ND
2022-01-06Q2200433003ND
2022-04-05Q2210466001ND
2022-04-05Q2210466002ND
2022-09-22Q2228543001ND
2022-09-22Q2228543002ND
2022-11-04Q2233660001ND
2022-12-15Q2238061001ND
2023-02-28Q23079820021.000 ppb
2023-02-28Q2307982003ND
2023-05-15Q2318247001ND
2023-05-15Q2318247002ND
2023-08-03Q2331703001ND
2023-08-03Q2331703002ND
2023-11-07Q2347807001ND
2023-11-07Q2347807002ND