DURMM: Delaware Urban Runoff Management Model

Technical Manual
http://www.dnrec.state.de.us/dnrec2000/Divisions/Soil/Stormwater/New/DURMM_TechnicalManual_01-04.pdf

User’s Manual
http://www.dnrec.state.de.us/dnrec2000/Divisions/Soil/Stormwater/New/DURMM_UsersManual_01-04.pdf

Spreadsheet Model
http://www.dnrec.state.de.us/dnrec2000/Divisions/Soil/Stormwater/New/DURMM%20Release%201.0.xls