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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Martin County Regional WASA

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND40ND
2017ND20ND
2018ND10ND
2019ND10ND

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
2016-03-107442-031016-E01VND
2016-04-047442-040416-E01VND
2016-07-067442-070616-E01VND
2016-10-057442-100516-E01VND
2017-01-047442-010417-E01VND
2017-04-057442-040517-E01VND
2018-01-177442-011718-E01VND
2019-01-027442-010219-E01VND