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Use DEN to explore the many types of information collected by DNREC such as permitted facilities, enforcement actions and environmental monitoring. DEN is a constantly growing system.

Click background to check for information currently available and plans for new information.


If you have any questions or comments about DEN please contact the DEN development team by clicking on the "Leave Feedback About This Application" link in the footer.

If you would like to make a Freedom of Information Act request, click here.

Disclaimer: This database includes information on potential, possible, and known contaminant source sites and on ambient environmental monitoring sites in the state of Delaware. The information contained in this database is summarized from DNREC's files and is provided as a service by the Department. Additional information is available on most sites from the contact program listed with each site. DNREC makes no representation as to the completeness or accuracy of the information in this database.