Map Viewer
The NPDES Map Viewer v3.0 is the primary tool to view and query DelDOT's stormwater inventory, including structures, conveyances, stormwater management facilities (BMPs) and related data. The tool provides advanced query and reporting capabilities. Data is sourced from complex field inventory processes and is noneditable for the majority of users.
First time users must create a login. Also, first time users are encouraged to listen to the training videos. The trainings explain and demonstrate key points in the User Guide.
User Guides
Training Videos
Create Account
Change and Forgot Password
Webpage Layout
Table of Contents
Map Navigation and Select by Map
Geographic Filter
Advanced Query
Actions, Reports, and Attachments
Identify Tool
Address Locator
Measurement Tool and Draw Graphics
Export Map to PDF