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Numerical Models No Longer Accepted

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: 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.

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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.

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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.

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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.

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Program: NETWORK (DWOPER)

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: 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.

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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.

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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.

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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.

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Program: TR-20 (February 1992)

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.

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Program: TR-55 (June 1986)

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.

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Program: UNET 4.0 (Apr. 2001)

Type

Hydraulic Model; One-dimensional Unsteady Flow

Developed By

U.S. Army Corps of Engineers

Comments

Replaced by HEC-RAS.

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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.

Nationally and Locally Accepted Models