National
Local
This page lists nationally and local 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.
Nationally No Longer Accepted Numerical Models
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Program: Interconnected Channel and Pond Routing, Versions 2 and 3
Developed By
Streamline Technologies, Inc.
Available From
Streamline Technologies, Inc.
1135 East State Road 434
Winter Springs, FL 32708
Website: Streamline.tech
Public Domain
No
Comments
Streamline Technologies no longer supports these versions.
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Program: Culvert Master v. 2.0 (September 2000), and up
Developed By
Bentley Systems
Available From
Bentley Systems
685 Stockton Drive
Exton, PA 19341
Public Domain
No
Comments
Compute headwater elevations for circular concrete and RCB culverts for various flow conditions.
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Program: DAMBRK
Type
Hydraulic Model; One-dimensional Unsteady Flow
Developed By
National Weather Service
Comments
NWS is no longer supporting the program.
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Program: DBRM 3.0 (1993)
Type
Hydrologic Models; Single Event
Developed By
Bernard L. Golding, P.E. Consulting Water Resources Engineer Orlando, FL
Comments
Have not been used for NFIP studies for more than 5 years.
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Program: DR3M (Oct. 1993)
Type
Hydrologic Models; Single Event
Developed By
U.S. Geological Survey
Comments
Have not been used for NFIP studies for more than 5 years.
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Program: FLDWY (May 1989)
Type
Hydraulic Model; One-dimensional Steady Flow
Developed By
U.S. Department of Agriculture, Natural Resources Conservation Service
Comments
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.
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Program: FLOW2D (1975)
Type
Coastal Models; Coastal Storm Surges
Developed By
Resource Analysis, Inc.
Comments
Have not been used for NFIP studies for more than 5 years.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: GLWRM (1992)
Type
Coastal Models; Coastal Wave Effects
Developed By
U.S. Army Corps of Engineers
Comments
Have not been used for NFIP studies for more than 5 years.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: HEC-IFH 1.03 and up
Type
Interior Drainage Analysis
Developed By
U.S. Army Corps of Engineers
Comments
The U.S. Army Corps of Engineers is no longer supporting the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: HYMO
Type
Hydrologic Models; Single Event
Developed By
U.S. Department of Agriculture, Natural Resources Conservation Service
Comments
NRCS is no longer supporting the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: NETWORK (DWOPER)
Type
Hydraulic Model; One-dimensional Unsteady Flow
Developed By
National Weather Service
Comments
NWS is no longer supporting the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: Northeaster Model (1978)
Type
Coastal Models; Coastal Storm Surges
Developed By
Stone & Webster Engineering Group
Comments
Have not been used for NFIP studies for more than 5 years.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: ODISTIM (1975)
Type
Coastal Models; Coastal Storm Surges
Developed By
Coastal Consultants, Inc.
Comments
Have not been used for NFIP studies for more than 5 years.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: PSUPRO
Type
Floodway Model
Developed By
Pennsylvania State University / U.S. Army Corps of Engineers / FEMA
Comments
Pennsylvania State University / U.S. Army Corps of Engineers / FEMA are no longer supporting the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: SFD
Type
Floodway Model
Developed By
U.S. Army Corps of Engineers / FEMA
Comments
The U.S. Army Corps of Engineers / FEMA are no longer supporting the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: TR-20 (February 1992) and V. 1.00 (January 2005)
Type
Hydrologic Models; Single Event
Developed By
U.S. Department of Agriculture, Natural Resources Conservation Service
Comments
NRCS is no longer supporting the DOS version of the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: TR-55 (June 1986) and V. 1.0.08 (January 2005)
Type
Hydrologic Models; Single Event
Developed By
U.S. Department of Agriculture, Natural Resources Conservation Service
Comments
NRCS is no longer supporting the DOS version of the program.
![Icon of a Graphic Document Showing a Triangle with Crop Marks](/sites/default/files/2020-07/icon_graphic.png)
Program: WSP2 (October 1993)
Type
Hydraulic Model; One-dimensional Steady Flow
Developed By
U.S. Department of Agriculture, Natural Resources Conservation Service
Comments
NRCS is no longer supporting the program.
Locally No Longer Accepted Numerical Models
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Program: SHEET2D 9
Type
Locally Accepted Hydraulic Model
Developed By
Tomasello Consulting Engineers, Inc.
Comments
Replaced by S2DMM.