This page lists numerical models no longer accepted by FEMA for National Flood Insurance Program (NFIP) usage. This page is intended for engineers, surveyors, floodplain managers and FEMA mapping partners.
Current Unacceptable Models
| TYPE | PROGRAM | DEVELOPED BY | COMMENTS |
|---|---|---|---|
| Coastal Models; Coastal Storm Surges | ODISTIM (1975) | Coastal Consultants, Inc. | Have not been used for NFIP studies for more than 5 years. |
| Coastal Models; Coastal Storm Surges | Northeaster Model (1978) | Stone & Webster Engineering Group | Have not been used for NFIP studies for more than 5 years. |
| Coastal Models; Coastal Storm Surges | FLOW2D (1975) 1 | Resource Analysis, Inc. | Have not been used for NFIP studies for more than 5 years. |
| Coastal Models; Coastal Wave Effects | GLWRM (1992) | U.S. Army Corps of Engineers | Have not been used for NFIP studies for more than 5 years. |
| Hydrologic Models; Single Event | DBRM 3.0 (1993) | Bernard L. Golding, P.E. Consulting Water Resources Engineer Orlando, FL | Have not been used for NFIP studies for more than 5 years. |
| Hydrologic Models; Single Event | HYMO | U.S. Department of Agriculture, Natural Resources Conservation Service | NRCS is no longer supporting the program. |
| Hydrologic Models; Single Event | DR3M (Oct. 1993) | U.S. Geological Survey | Have not been used for NFIP studies for more than 5 years. |
| Hydrologic Models; Single Event | TR-20 (February 1992) | U.S. Department of Agriculture, Natural Resources Conservation Service | NRCS is no longer supporting the DOS version of the program. |
| Hydrologic Models; Single Event | TR-55 (June 1986) | U.S. Department of Agriculture, Natural Resources Conservation Service | NRCS is no longer supporting the DOS version of the program. |
| Interior Drainage Analysis | HEC-IFH 1.03 and up | U.S. Army Corps of Engineers | The U.S. Army Corps of Engineers is no longer supporting the program. |
| Hydraulic Model; One-dimensional Steady Flow | WSP2 (October 1993) | U.S. Department of Agriculture, Natural Resources Conservation Service | NRCS is no longer supporting the program. |
| Hydraulic Model; One-dimensional Steady Flow | FLDWY (May 1989) | U.S. Department of Agriculture, Natural Resources Conservation Service | NRCS is no longer supporting the program; for past studies done using FLDWY, the user manual is still available from NRCS to help interpret the data. |
| Hydraulic Model; One-dimensional Unsteady Flow | UNET 4.0 (Apr. 2001) | US Army Corps of Engineers | Replaced by HEC-RAS. |
| Hydraulic Model; One-dimensional Unsteady Flow | DAMBRK | National Weather Service | NWS is no longer supporting the program. |
| Hydraulic Model; One-dimensional Unsteady Flow | NETWORK (DWOPER) | National Weather Service | NWS is no longer supporting the program. |
| Floodway Model | SFD | U.S. Army Corps of Engineers / FEMA | The U.S. Army Corps of Engineers / FEMA are no longer supporting the program. |
| Floodway Model | PSUPRO | Pennsylvania State University / U.S. Army Corps of Engineers / FEMA | Pennsylvania State University / U.S. Army Corps of Engineers / FEMA are no longer supporting the program. |
| Locally Accepted Hydraulic Model | SHEET2D 9 | Tomasello Consulting Engineers, Inc. | Replaced by S2DMM. |
Nationally and Locally Accepted Models
- Coastal models accepted by FEMA for NFIP usage
- Hydrologic models accepted by FEMA for NFIP usage
- Statistical models accepted by FEMA for NFIP usage
- Hydraulic models accepted by FEMA for NFIP usage
Return to the Numerical Models Meeting the Minimum Requirements of the National Flood Insurance Program to view the list of nationally and locally accepted models that meet NFIP requirements for flood hazard mapping activities.
Last Updated:
10/03/2016 - 08:27