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EWG's Tap Water Database — 2019 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.

 

78

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND120ND
2014ND150ND
2015ND120ND
2016ND120ND
2017ND150ND

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
2012-02-08DW120208-001ND
2012-02-08DW120208-003ND
2012-02-08DW120208-000ND
2012-05-09DW120509-003ND
2012-05-09DW120509-000ND
2012-05-09DW120509-001ND
2012-08-15DW120815-003ND
2012-08-15DW120815-001ND
2012-08-15DW120815-000ND
2012-11-14DW121114-001ND
2012-11-14DW121114-003ND
2012-11-14DW121114-000ND
2013-02-13DW130213-000ND
2013-02-13DW130213-003ND
2013-02-13DW130213-001ND
2013-05-08DW130508-001ND
2013-05-08DW130508-003ND
2013-05-08DW130508-000ND
2013-08-14DW130814-003ND
2013-08-14DW130814-001ND
2013-08-14DW130814-000ND
2013-12-117311719ND
2013-12-117311718ND
2013-12-117311717ND
2014-02-12DW140212-000ND
2014-02-12DW140212-001ND
2014-02-12DW140212-003ND
2014-05-147468948ND
2014-05-147463348ND
2014-05-147463349ND
2014-05-147468949ND
2014-05-147463350ND
2014-05-147468950ND
2014-08-137570046ND
2014-08-137570048ND
2014-08-137570047ND
2014-11-19DW141119-019ND
2014-11-19DW141119-038ND
2014-11-19DW141119-002ND
2015-02-1112406494ND
2015-02-1112406534ND
2015-02-1112406514ND
2015-05-1312754266ND
2015-05-1312754286ND
2015-05-1312754306ND
2015-08-1213140273ND
2015-08-1213140293ND
2015-08-1213140313ND
2015-11-1813518594ND
2015-11-1813518614ND
2015-11-1813518634ND
2016-02-1013874728ND
2016-02-1013874708ND
2016-02-1013874688ND
2016-05-1114257229ND
2016-05-1114257189ND
2016-05-1114257209ND
2016-08-1014741970ND
2016-08-1014742010ND
2016-08-1014741990ND
2016-11-0915231706ND
2016-11-0915231746ND
2016-11-0915231726ND
2017-02-0815661983ND
2017-02-0815662023ND
2017-02-0815662003ND
2017-05-1016100826ND
2017-05-1016101786ND
2017-05-1016101806ND
2017-05-1016100846ND
2017-05-1016101766ND
2017-05-1016100806ND
2017-08-0916572479ND
2017-08-0916572519ND
2017-08-0916572499ND
2017-11-0817029213ND
2017-11-0817029193ND
2017-11-0817029173ND