EPA has conducted several five-year reviews of the site’s remedy. These reviews ensure that the remedies put in place protect public health and the environment, and function as intended by site decision documents. The most recent, 2024 Five-Year Review (PDF) , concluded that the remedy continues to be protective of human health and the environment.
| City | New Castle |
|---|---|
| County | New Castle County |
| State | Delaware |
| Coordinates | 39.58611, -75.64944 |
Delaware City Pvc Plant is a federal Superfund site in Delaware. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Construction complete. Physical construction of the cleanup remedy is complete, though long-term monitoring and institutional controls typically continue for years or decades. Groundwater treatment systems, for example, often run long after surface cleanup finishes.
Contaminants of concern include 1,2-dichloroethane, chloroethene (vinyl chloride), trichloroethene. Contamination has been detected in groundwater, sludge, soil.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.