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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

East Cocalico Township

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

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND30ND
2016ND70ND
2017ND150ND
2018ND40ND
2019ND40ND

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
2014-05-2314030254-04ND
2014-05-2314030254-05ND
2014-05-2314030254-06ND
2014-05-2314032953-06ND
2014-05-2314030254-08ND
2014-05-2314032953-08ND
2014-05-3014032953-02ND
2014-05-3014030254-03ND
2014-05-3014030254-07ND
2014-05-3014030254-01ND
2015-04-2812984627ND
2015-04-2812984626ND
2015-04-2812984625ND
2016-01-2513957867ND
2016-04-1914217176ND
2016-08-1514869708ND
2016-08-1514869737ND
2016-08-1514869761ND
2016-09-2315042113ND
2016-10-3115336656ND
2017-03-0315902764ND
2017-09-2216992087ND
2017-09-2216846642ND
2017-09-2216992150ND
2017-09-2216846619ND
2017-09-2216846600ND
2017-09-2216991939ND
2017-09-2216991960ND
2017-09-2216991981ND
2017-09-2216992002ND
2017-09-2216992023ND
2017-09-2216992045ND
2017-09-2216992066ND
2017-09-2216992108ND
2017-09-2216992129ND
2018-04-278045051-02REND
2018-04-278045051-08ND
2018-04-278045051-11ND
2018-04-278045051-10ND
2019-04-299041601-02ND
2019-04-299041601-06ND
2019-04-299041601-08ND
2019-04-299041601-09ND