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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Burr Oak

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND50ND

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
2018-03-08LLH69426ND
2018-05-30LLH82924ND
2018-08-27LLI01494ND
2018-11-19LLI15976ND
2018-11-19LLI15978ND
2018-11-19LLI15977ND
2019-03-07LLI28317ND
2019-06-27LLI46828ND
2019-07-24LLI52063ND
2019-10-10LLI70511ND
2019-12-27LLI86075ND