Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Drysdale 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020N/A00N/A
2021ND20ND
2022ND40ND
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
2018-10-2318J1000-02-2ND
2018-10-3018K0004-01ND
2021-10-2021J1153-03ND
2021-11-1021K0842-01ND
2022-02-0922B0929-01ND
2022-06-0822F0727-01ND
2022-09-2622I1477-01ND
2022-12-0722L0528-01ND
2023-06-1323F0838-01ND