Welcome to DEN’s new map selection page. From here you will be able to select from a growing list of maps to help you find the information you are looking for. Each map has a short description explaining what specific type of data it holds. This will help in narrowing down the types of sites available on each map to allow for easier and more targeted searching.





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.