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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Quakertown Boro

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.1000 ppb111ND - 1.10 ppb
2015ND120ND
2016ND100ND
2017ND80ND
2018ND100ND
2019ND100ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-1114021155-001ND
2014-02-1214021373-001ND
2014-02-1814022024-001ND
2014-04-1014041892-001ND
2014-07-1614071804-001ND
2014-08-1414081504-001ND
2014-08-1414081511-0011.10 ppb
2014-08-1414081513-001ND
2014-08-2814082989-001ND
2014-08-2814082988-001ND
2014-12-0914120590-001ND
2015-03-2312503637ND
2015-03-2312503657ND
2015-09-2813252475ND
2015-09-2813252361ND
2015-09-2813252381ND
2015-09-2813252401ND
2015-09-2813252421ND
2015-09-2813252441ND
2015-11-1113503002ND
2015-12-1713621866ND
2015-12-2913621890ND
2015-12-3013621842ND
2016-02-1113858915ND
2016-02-1913859200ND
2016-08-1714721027ND
2016-08-2514721120ND
2016-08-2514721078ND
2016-08-2514721099ND
2016-08-3114892150ND
2016-08-3114892129ND
2016-11-1015214162ND
2016-12-1515358512ND
2017-07-2016400188ND
2017-07-2016400273ND
2017-07-2016400252ND
2017-07-2016400231ND
2017-07-2016400167ND
2017-07-2016400223ND
2017-08-1716551631ND
2017-08-1716551610ND
2018-02-01T8B0475ND
2018-06-08T8F0689ND
2018-06-08T8F0689ND
2018-06-08T8F0689ND
2018-06-13T8F0689ND
2018-06-13T8F0689ND
2018-06-13T8F0689ND
2018-06-13T8F0689ND
2018-06-13T8F0689ND
2018-09-27T8I1279ND
2019-04-29T9D0798-02ND
2019-04-29T9D0799-01ND
2019-06-20T9F1320-01ND
2019-08-29T9H1706-01ND
2019-11-19T9K0960-02ND
2019-11-19T9K0960-03ND
2019-11-19T9K0960-04ND
2019-11-19T9K0960-05ND
2019-11-19T9K0960-06ND
2019-11-19T9K0960-01ND