Know Your Environment. Protect Your Health.

Trichloroacetic acid

Coke County Water Supply Corporation

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)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.03 ppb881.60 ppb - 2.50 ppb
20191.51 ppb86ND - 2.90 ppb
20200.988 ppb85ND - 2.00 ppb
20211.48 ppb86ND - 3.50 ppb
20220.400 ppb83ND - 1.20 ppb
20231.25 ppb85ND - 3.20 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
2018-02-13Q18058270022.00 ppb
2018-02-13Q18058270012.50 ppb
2018-04-25Q18168500032.00 ppb
2018-04-25Q18168500022.30 ppb
2018-08-01Q18305810011.70 ppb
2018-08-01Q18305810021.60 ppb
2018-11-28Q18483960012.30 ppb
2018-11-28Q18483960021.80 ppb
2019-02-27Q19084430011.90 ppb
2019-02-27Q19084430022.60 ppb
2019-05-15Q19255790021.60 ppb
2019-05-15Q19255790031.80 ppb
2019-07-11Q19443060022.90 ppb
2019-07-11Q19443060011.30 ppb
2019-11-05Q1975112001ND
2019-11-05Q1975112002ND
2020-03-24Q2012439001ND
2020-03-24Q20124390021.20 ppb
2020-05-06Q20178820011.70 ppb
2020-05-06Q20178820022.00 ppb
2020-07-27Q20291910011.000 ppb
2020-07-27Q20291910022.00 ppb
2020-12-09Q2049284001ND
2020-12-09Q2049284002ND
2021-03-17Q21069750011.40 ppb
2021-03-17Q21069750022.00 ppb
2021-04-26Q2110545002ND
2021-04-26Q2110545003ND
2021-07-19Q21187980011.80 ppb
2021-07-19Q21187980022.10 ppb
2021-12-09Q21346510011.000 ppb
2021-12-09Q21346510023.50 ppb
2022-02-28Q2206741001ND
2022-02-28Q22067410021.20 ppb
2022-05-05Q2213697001ND
2022-05-05Q22136970021.000 ppb
2022-08-04Q2222488001ND
2022-08-04Q22224880021.000 ppb
2022-12-14Q2237866001ND
2022-12-14Q2237866002ND
2023-02-16Q23066890012.90 ppb
2023-02-16Q23066890023.20 ppb
2023-05-02Q2316443002ND
2023-05-02Q23164430031.20 ppb
2023-08-29Q2337363001ND
2023-08-29Q2337363002ND
2023-12-13Q23535160011.20 ppb
2023-12-13Q23535160021.50 ppb