Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Riverdale Subdivision

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
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

Date Lab ID Result
2018-02-2138859101-VOCND
2018-05-1639301001ND
2018-08-2240588001-VOCND
2018-11-1941796901-VOCND
2019-02-2743169501-VOCND
2020-02-1748249101ND
2020-12-2253331101ND
2021-02-0953345401ND
2022-02-2857715901ND
2023-02-1361986101ND