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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

Philadelphia Water Department

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.

 

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

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-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
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
2015-02-1112406495ND
2015-02-1112406535ND
2015-02-1112406515ND
2015-05-1312754267ND
2015-05-1312754287ND
2015-05-1312754307ND
2015-08-1213140274ND
2015-08-1213140294ND
2015-08-1213140314ND
2015-11-1813518595ND
2015-11-1813518615ND
2015-11-1813518635ND
2016-02-1013874729ND
2016-02-1013874709ND
2016-02-1013874689ND
2016-05-1114257230ND
2016-05-1114257190ND
2016-05-1114257210ND
2016-08-1014741971ND
2016-08-1014742011ND
2016-08-1014741991ND
2016-11-0915231707ND
2016-11-0915231747ND
2016-11-0915231727ND
2017-02-0815661984ND
2017-02-0815662024ND
2017-02-0815662004ND
2017-05-1016100827ND
2017-05-1016101787ND
2017-05-1016101807ND
2017-05-1016100847ND
2017-05-1016101767ND
2017-05-1016100807ND
2017-08-0916572480ND
2017-08-0916572520ND
2017-08-0916572500ND
2017-11-0817029214ND
2017-11-0817029194ND
2017-11-0817029174ND