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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Emmaus Borough Public Water

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.

MORE ABOUT THIS CONTAMINANT

 

120

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.150 ppb204ND - 1.000 ppb
20130.295 ppb206ND - 2.30 ppb
20140.250 ppb205ND - 2.20 ppb
20150.300 ppb206ND - 1.90 ppb
20160.300 ppb206ND - 1.40 ppb
20170.315 ppb206ND - 1.60 ppb

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
2012-02-161200071411.000 ppb
2012-02-16120007142ND
2012-02-16120007143ND
2012-02-16120007144ND
2012-02-16120007138ND
2012-02-16120007139ND
2012-02-16120007140ND
2012-02-16120007137ND
2012-05-151200191520.600 ppb
2012-05-15120019149ND
2012-05-15120019150ND
2012-05-15120019148ND
2012-08-061200323740.600 ppb
2012-08-06120032371ND
2012-08-06120032372ND
2012-08-06120032370ND
2012-11-131200476340.800 ppb
2012-11-13120047631ND
2012-11-13120047632ND
2012-11-13120047630ND
2013-02-211300083262.30 ppb
2013-02-211300083271.20 ppb
2013-02-211300083280.700 ppb
2013-02-21130008329ND
2013-02-21130008323ND
2013-02-21130008324ND
2013-02-21130008325ND
2013-02-21130008322ND
2013-05-201300207370.600 ppb
2013-05-20130020734ND
2013-05-20130020735ND
2013-05-20130020733ND
2013-08-221300374380.600 ppb
2013-08-22130037435ND
2013-08-22130037436ND
2013-08-22130037434ND
2013-11-261300529920.500 ppb
2013-11-26130052989ND
2013-11-26130052990ND
2013-11-26130052988ND
2014-02-261400082202.20 ppb
2014-02-261400082210.700 ppb
2014-02-261400082220.700 ppb
2014-02-26140008223ND
2014-02-26140008217ND
2014-02-26140008218ND
2014-02-26140008219ND
2014-02-26140008216ND
2014-05-271400217940.600 ppb
2014-05-27140021791ND
2014-05-27140021792ND
2014-05-27140021790ND
2014-08-28140038937ND
2014-08-28140038934ND
2014-08-28140038935ND
2014-08-28140038933ND
2014-11-251400535800.800 ppb
2014-11-25140053577ND
2014-11-25140053578ND
2014-11-25140053576ND
2015-02-24124349691.90 ppb
2015-02-24124349911.10 ppb
2015-02-24124350120.700 ppb
2015-02-2412435033ND
2015-02-2412434903ND
2015-02-2412434924ND
2015-02-2412434946ND
2015-02-2412434882ND
2015-05-27127887030.700 ppb
2015-05-2712788665ND
2015-05-2712788687ND
2015-05-2712788644ND
2015-08-26133017770.800 ppb
2015-08-2613301731ND
2015-08-2613301752ND
2015-08-2613301710ND
2015-11-23135486990.800 ppb
2015-11-2313548563ND
2015-11-2313548586ND
2015-11-2313548542ND
2016-03-07140204791.40 ppb
2016-03-07140205011.10 ppb
2016-03-07140205220.700 ppb
2016-03-0714020543ND
2016-03-0714020412ND
2016-03-0714020433ND
2016-03-0714020454ND
2016-03-0714020391ND
2016-05-24142965850.900 ppb
2016-05-2414296568ND
2016-05-2414618842ND
2016-05-2414296544ND
2016-08-30147854840.900 ppb
2016-08-3014785441ND
2016-08-3014785458ND
2016-08-3014785423ND
2016-11-17152674151.000 ppb
2016-11-1715267378ND
2016-11-1715267384ND
2016-11-1715267344ND
2017-03-07158360141.60 ppb
2017-03-07158360131.000 ppb
2017-03-07158360120.800 ppb
2017-03-0715836011ND
2017-03-0715836007ND
2017-03-0715836008ND
2017-03-0715836009ND
2017-03-0715836010ND
2017-05-24161425740.900 ppb
2017-05-2416142571ND
2017-05-2416142572ND
2017-05-2416142573ND
2017-08-31166122891.000 ppb
2017-08-3116612286ND
2017-08-3116612287ND
2017-08-3116612288ND
2017-11-09173457411.000 ppb
2017-11-0917345738ND
2017-11-0917345739ND
2017-11-0917345740ND