Plan Review, Engineering, Construction and Maintenance Resources

The following are resources from the DNREC Sediment and Stormwater Program for sediment and stormwater plan reviews, engineering design, construction activities and maintenance of best management practices.

Compliance Flow Charts

Resource Protection Event (RPv) Compliance Flow Chart

Redevelopment RPv Compliance Flow Chart

Conveyance Event (Cv) Compliance Flow Chart

Flooding Event (Fv) Compliance Flow Chart

Step 1: Stormwater Assessment Study (SAS) Checklist

Stormwater Assessment Study GIS Web App
Some layers from the SAS GIS Web App are available for download from First Map Delaware

Step 2: Preliminary Sediment and Stormwater Management Plan Review Checklist

Step 3: Sediment and Stormwater Plan Review Checklist

Step 2/3: Sediment and Stormwater Plan Review Checklist

Soil Investigation Report Submittal Checklist

All plans submitted to the DNREC Sediment and Stormwater Program for review or approval must be submitted by email to DNREC.Stormwater@delaware.gov. This includes all Stormwater Assessment Studies, Step 2, Step 3, Step 2/3 and PCVD submittals. Any submittals emailed directly to a DNREC staff member will receive a response requesting that the submittal be directed to DNREC.Stormwater@delaware.gov. Paper submittals are not required unless specifically requested by DNREC staff.

Tutorials and Presentations

Downstream Analysis Procedure to Show Cv and Fv Compliance

DURMMv2.5 Quick Start Guide

Spreadsheets

(Note: These are excel files and should be saved to your computer and used offline)

Delaware Urban Runoff Management Model (DURMM) v2.51 Excel Spreadsheet

Delaware Urban Runoff Management Model (DURMM) v2.51 Excel Spreadsheet for Redevelopment in New Castle County

RPv Summary Table

BMP Design Worksheet

References

Pond Code 378 for Urban Stormwater Management Ponds

Delaware Regulatory Rainfall Amounts