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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

New Holland Borough

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND10ND
2016N/A00N/A
2017ND30ND
2018ND20ND
2019ND40ND

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
2014-02-251073202001ND
2014-02-251073202002ND
2014-06-172012894001ND
2014-06-172012894002ND
2014-08-192024391003ND
2014-08-192024391004ND
2014-08-192024391005ND
2014-08-262025562001ND
2014-11-182040667004ND
2014-11-182040667005ND
2015-11-1713604755ND
2017-11-2017130314ND
2017-11-2017130338ND
2017-11-2017130362ND
2018-09-172338728003ND
2018-12-193006664002ND
2019-03-059024557-01ND
2019-06-049050534-01ND
2019-08-209081282-01ND
2019-12-039111276-01ND