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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

City of Greenville

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND90ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

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
2014-10-14141015-006VOND
2015-09-15150916-013VOND
2016-09-12160913-005VOND
2016-09-12160913-006VOND
2016-09-12160913-007VOND
2016-09-12160913-008VOND
2016-09-12160913-009VOND
2016-09-12160913-010VOND
2016-09-12160913-021VOND
2016-09-12160913-022VOND
2016-09-12160913-023VOND