Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Summit Township Water Authority

NOTE: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Erie City Water Authority.

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND60ND
2020ND30ND
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: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Erie City Water Authority.

Date Lab ID Result
2018-01-083849232ND
2018-02-203876401ND
2018-05-083931239ND
2018-05-213941491ND
2018-08-064012683ND
2018-08-214030524ND
2018-11-054111318ND
2019-01-234181796ND
2019-05-214302831ND
2019-09-104415500ND
2019-11-189112945-01ND
2019-11-184489097ND
2020-03-1921954386.00ND
2020-05-1822336343.00ND
2020-09-0923112182.00ND
2021-04-0624363635.00ND
2021-05-1924561039.00ND
2022-04-1226577563.00ND
2022-05-1726770596.00ND
2023-04-0428825971.00ND
2023-04-1828826029.00ND