Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Greenwood County Rural Water District 3

NOTE: Greenwood County Rural Water District 3 purchases water from Madison, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Madison, City of.

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.

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021N/A00N/A
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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: Greenwood County Rural Water District 3 purchases water from Madison, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Madison, City of.

Date Lab ID Result
2020-07-221453442ND
2023-06-292525441ND