Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Galveston County Water Control and Improvement District 8

NOTE: Galveston County Water Control and Improvement District 8 purchases water from Gulf Coast Water Authority Tx City which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Gulf Coast Water Authority Tx City.

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
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
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: Galveston County Water Control and Improvement District 8 purchases water from Gulf Coast Water Authority Tx City which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Gulf Coast Water Authority Tx City.

Date Lab ID Result
2018-07-11AE32989ND
2019-07-29AE76192ND
2020-07-15AF19499ND
2021-07-16AF62454ND
2022-07-22AG06107ND
2023-07-13AG48515ND