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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Alpine Haven

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
2014N/A00N/A
2015N/A00N/A
2016ND10ND
2017N/A00N/A
2018ND40ND
2019ND10ND

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
2016-08-171608-18264-001ND
2018-03-051803-04734-001ND
2018-05-101805-10623-001ND
2018-07-161807-17180-001ND
2018-12-121812-31862-001ND
2019-11-131911-29637-001ND