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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Mount Morris, City of

NOTE: Mount Morris, City of purchases water from Genesee County Water System which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Genesee County 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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND10ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/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

NOTE: Mount Morris, City of purchases water from Genesee County Water System which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Genesee County Water System.

Date Lab ID Result
2012-04-03LLE22297ND
2012-08-09LLE42014ND
2013-03-25LLE67455ND
2014-03-18LLF12194ND