Flood Damage Assessment Tools

Updated 09/17/2009

The Hydrologic Engineering Center’s Flood Damage Analysis (HEC-FDA) computer program is designed to assist Corps of Engineers study team members in using risk-based analysis methods for flood-damage-reduction studies as required by the Corps (EM 1110-2-1419). The approach explicitly incorporates descriptions of uncertainty of key parameters and functions into project benefit and performance analyses. The following is a description of how HEC-FDA is used in flood-damage-reductions studies during plan development.  Bob Carl (HEC) is the USACE contact with NRCS on this model.  Current software and documentation are available at
http://www.hec.usace.army.mil/software/hec-fda/index.html  CCE Certification of HEC FDA

HEC-FDA has been used by NRCS Economists Lauren Cartwright, (573-876-5015), Kent Hardmeyer (732-537-6055) and Colleen Tennity. In January, 2005, 20 NRCS economists received training on the HEC-FDA model at the USACE Hydrologic Engineering Center in Davis, CA.   Many NRCS watershed staff are now converting to this model.
Bentley Creek, PA HEC-FDA Example files developed by Colleen Tennity.

The NRCS URB1, ECON2, and CARE models have been combined by George Forster at ITC into a CCEinstallation package at fdatools.exe.  Being a CCE installation, you need an administrative login to install fdatools.exe on a CCE machine.  Otherwise you can just download the DOS programs and run them directly in a Command Prompt window.

Plans Of Work (POW) and To-Do Items for Project Evaluations
CA Watershed POW, (XLS, 28KB)
East Locust MO POW, (XLS, 35KB)
Pick Creek MO POW, (DOC, 55KB)
Coon Creek Rehab ND POW, (XLS, 76KB)
Project Planning Chart and POW, (XLS, 26KB)
Work Items Needed for Evaluation of Irrigation Project, (PDF, 402KB)
Work Items Needed for Evaluation of Watershed Protection Project, (PDF, 321KB)
Work Items Needed for Evaluation of Agricultural Flooding, (PDF, 340KB)
Work Items Needed for Evaluation of Urban Flood Damages, (PDF, 318KB)

Other Flood Damage Information Sources

• The FEMA Flood Map Store.
• Determining participation in the National Flood Insurance Program.
• General Planning Guidance, US Army Corps of Engineers
• PL-566 Benefits in Kansas

NRCS Flood Control Models and Documentation Downloads

There was an effort from 1998 to 2005 to revise and combine the NRCS URB1 and ECON2 models into the new Flood Econ model.  As of 2007, all IT Work on FloodEcon is officially discontinued. 

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