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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Sandy City Water System

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND20ND
2014ND100ND
2015ND70ND
2016ND90ND
2017ND20ND

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 Result
2012-06-15ND
2012-06-15ND
2012-06-15ND
2012-08-02ND
2012-08-03ND
2012-08-07ND
2012-08-08ND
2012-08-09ND
2012-08-28ND
2012-10-25ND
2012-11-27ND
2012-11-27ND
2013-06-18ND
2013-06-18ND
2014-02-20ND
2014-05-29ND
2014-05-29ND
2014-05-29ND
2014-05-29ND
2014-05-30ND
2014-05-30ND
2014-06-05ND
2014-06-06ND
2014-07-21ND
2015-04-06ND
2015-07-06ND
2015-07-06ND
2015-07-14ND
2015-07-16ND
2015-07-22ND
2015-11-09ND
2016-03-11ND
2016-03-11ND
2016-04-22ND
2016-06-06ND
2016-06-14ND
2016-06-17ND
2016-06-21ND
2016-06-22ND
2016-06-22ND
2017-06-22ND
2017-09-01ND