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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Thomson-McDuffie County W&S Comm.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
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
2014-04-07AI37327ND
2014-04-07AI37328ND
2015-03-30AI69908ND
2015-03-31AI69907ND
2016-03-16AJ08298ND
2016-03-16AJ08299ND
2017-06-07AJ56970ND
2017-06-07AJ56971ND
2018-05-23AJ90095ND
2018-05-23AJ90096ND
2019-05-08AK16898ND
2019-05-08AK16899ND