Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Hillcrest Water District

NOTE: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Leicester Water Supply District.

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.

 

20

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: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Leicester Water Supply District.

Date Result
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2020-06-24ND
2020-06-24ND
2020-06-24ND
2020-06-24ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2022-05-12ND
2022-05-12ND
2022-05-12ND
2022-05-12ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND