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EWG's Tap Water Database — 2019 UPDATE

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1,1-Dichloroethylene

Lehigh County Authority Allentown Division

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND30ND
2014ND30ND
2015ND30ND
2016ND30ND
2017ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-12L4002369-3ND
2012-04-12L4002369-1ND
2012-04-12L4002369-2ND
2013-02-07L4430705-3ND
2013-02-07L4430705-1ND
2013-02-07L4430705-2ND
2014-06-1014052283-03ND
2014-06-1014052283-02ND
2014-06-1014052283-01ND
2015-02-1712434431ND
2015-02-1712434452ND
2015-02-1712434473ND
2016-02-1613903495ND
2016-02-1613903474ND
2016-02-1613903516ND
2017-03-2115835568ND
2017-03-2115835547ND