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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Philadelphia Water Department

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

 

81

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND150ND
2015ND120ND
2016ND120ND
2017ND150ND
2018ND150ND
2019ND120ND

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
2014-02-12DW140212-000ND
2014-02-12DW140212-001ND
2014-02-12DW140212-003ND
2014-05-147463348ND
2014-05-147468948ND
2014-05-147463350ND
2014-05-147468950ND
2014-05-147468949ND
2014-05-147463349ND
2014-08-137570046ND
2014-08-137570047ND
2014-08-137570048ND
2014-11-19DW141119-002ND
2014-11-19DW141119-038ND
2014-11-19DW141119-019ND
2015-02-1112406534ND
2015-02-1112406494ND
2015-02-1112406514ND
2015-05-1312754286ND
2015-05-1312754306ND
2015-05-1312754266ND
2015-08-1213140293ND
2015-08-1213140313ND
2015-08-1213140273ND
2015-11-1813518614ND
2015-11-1813518634ND
2015-11-1813518594ND
2016-02-1013874728ND
2016-02-1013874708ND
2016-02-1013874688ND
2016-05-1114257189ND
2016-05-1114257229ND
2016-05-1114257209ND
2016-08-1014741970ND
2016-08-1014742010ND
2016-08-1014741990ND
2016-11-0915231746ND
2016-11-0915231706ND
2016-11-0915231726ND
2017-02-0815662023ND
2017-02-0815662003ND
2017-02-0815661983ND
2017-05-1016101786ND
2017-05-1016101806ND
2017-05-1016100846ND
2017-05-1016100806ND
2017-05-1016101766ND
2017-05-1016100826ND
2017-08-0916572499ND
2017-08-0916572519ND
2017-08-0916572479ND
2017-11-0817029193ND
2017-11-0817029213ND
2017-11-0817029173ND
2018-02-07DW180207-019ND
2018-02-07DW180207-037ND
2018-02-07DW180207-002ND
2018-05-09DW180509-019ND
2018-05-09DW180509-002ND
2018-05-09DW180509-035ND
2018-08-08DW180808-002ND
2018-08-088083919-01ND
2018-08-088083919-02ND
2018-08-08DW180808-019ND
2018-08-088083919-03ND
2018-08-08DW180808-035ND
2018-11-07DW181107-002ND
2018-11-07DW181107-018ND
2018-11-08DW181108-038ND
2019-02-13DW190213-034ND
2019-02-13DW190213-018ND
2019-02-13DW190213-002ND
2019-05-15DW190515-035ND
2019-05-15DW190515-019ND
2019-05-15DW190515-002ND
2019-08-149084421-06ND
2019-08-149084421-07ND
2019-08-149084421-08ND
2019-11-13DW191113-019ND
2019-11-13DW191113-035ND
2019-11-13DW191113-002ND