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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Shrewsbury Water Department

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.

MORE ABOUT THIS CONTAMINANT

 

57

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND100ND
2016ND110ND
2017ND20ND
2018ND110ND
2019ND120ND

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 Result
2014-02-24ND
2014-05-06ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-11-06ND
2015-02-11ND
2015-05-13ND
2015-09-02ND
2015-09-02ND
2015-09-02ND
2015-09-02ND
2015-09-02ND
2015-09-02ND
2015-09-02ND
2015-11-30ND
2016-02-19ND
2016-04-14ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-07-13ND
2016-10-25ND
2017-02-28ND
2017-12-15ND
2018-03-06ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-08-21ND
2018-12-05ND
2019-03-25ND
2019-05-16ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-10-16ND