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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

Franklin Water Systems 3

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
2012ND20ND
2013N/A00N/A
2014ND20ND
2015ND30ND
2016ND50ND
2017ND90ND

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
2012-09-27AC02270ND
2012-09-27AC02272ND
2014-06-24Q1423214004ND
2014-06-24Q1423214002ND
2015-06-23Q1523311006ND
2015-06-23Q1523311004ND
2015-06-23Q1523311002ND
2016-03-08Q1609693005ND
2016-03-08Q1609693004ND
2016-03-08Q1609693001ND
2016-12-13Q1654192014ND
2016-12-13Q1654192012ND
2017-03-21Q1711955005ND
2017-03-21Q1711955004ND
2017-03-21Q1711955002ND
2017-03-21Q1711955012ND
2017-03-21Q1711955011ND
2017-06-07AD86938ND
2017-06-21Q1725672001ND
2017-07-25Q1730588010ND
2017-07-25Q1730588005ND