The State of Delaware referred the site to EPA to assist in fully characterizing the extent and impact of the groundwater contamination. Other federal and state cleanup programs were evaluated, but were not viable due to the complexity of the site geology.
| City | Hockessin |
|---|---|
| County | New Castle County |
| State | Delaware |
| Coordinates | 39.78752, -75.69651 |
Hockessin Groundwater 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: Listed on NPL. This site is on EPA's National Priorities List, which identifies the most serious uncontrolled or abandoned hazardous waste sites in the country. Listing triggers federal cleanup authority and funding under CERCLA (the Superfund law).
Contamination has been detected in groundwater.
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.