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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Slippery Rock Municipal Authority

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND10ND
2016ND30ND
2017ND50ND
2018ND20ND
2019ND20ND

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
2014-03-134031426-02ND
2014-03-134031426-01ND
2014-06-194062249-01ND
2014-09-114091122-01ND
2014-12-114121158-01ND
2015-11-1213577369ND
2016-03-2415592862ND
2016-09-0815000883ND
2016-12-0715449632ND
2017-03-2215869808ND
2017-06-0116181742ND
2017-06-0816344265ND
2017-09-2716810082ND
2017-12-1417237202ND
2018-03-158031469-01ND
2018-12-1218L1061-01ND
2019-04-1819D2058-01ND
2019-12-2619L2329-01ND