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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Sleepy Valley Water Company

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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

Date Lab ID Result
2014-07-025867-001-0726ND
2014-07-025867-002-0729ND
2015-06-265867-001-0710ND
2015-06-265867-002-0725ND
2016-06-285867-001-0920ND
2016-06-285867-002-0930ND
2017-07-265867-001-1100ND
2017-07-265867-002-1110ND
2018-07-035867-001-0824ND
2018-07-035867-002-0843ND
2019-12-185867-001-0745ND
2019-12-185867-002-0745ND