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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Warrington Twp Water&sew Dept

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND50ND
2016ND40ND
2017ND40ND
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
2014-01-27L4861062-1ND
2014-01-27L4861067-1ND
2014-01-27L4861062-3ND
2014-01-27L4861062-4ND
2014-01-27L4861062-5ND
2014-03-13L4940517-1ND
2014-03-13L4940517-2ND
2014-06-12L5059467-1ND
2014-09-19L5205522-1ND
2015-01-2712274257ND
2015-01-2712274203ND
2015-01-2712274149ND
2015-01-2712274311ND
2015-01-2712274095ND
2016-02-0513857846ND
2016-02-0513857900ND
2016-02-0513857954ND
2016-02-0513858008ND
2017-01-1215502128ND
2017-01-1215502180ND
2017-01-1215502232ND
2017-12-0617148414ND
2018-01-038011431-02ND
2018-01-038011431-03ND
2019-01-029011290-01ND
2019-01-029011290-02ND