Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Clayton Water Supply Corporation Plant 2

NOTE: Clayton Water Supply Corporation Plant 2 purchases water from City of Carthage which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by City of Carthage.

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

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

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

NOTE: Clayton Water Supply Corporation Plant 2 purchases water from City of Carthage which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by City of Carthage.

Date Lab ID Result
2018-08-23Q1833940002ND
2019-08-26Q1959262001ND
2020-09-22Q2037528001ND
2021-08-04Q2120439001ND
2022-08-22Q2224781001ND
2023-07-18Q2327981001ND