Chapter 2. Hydrology
35
Table 5. Rainfallrunoff models accepted by FEMA for usage in the National
Flood Insurance Program. (Modified from http://www.fema.gov/fhm/
en_hydro.shtm.)
Modeling
approach
Computer model
Available from
Single event
HEC-1 14.0.1 and up
U.S. Army Corps of Engineers
HEC-HMS 1.1 and up
U.S. Army Corps of Engineers
Natural Resources Conservation
TR-20
Service
Natural Resources Conservation
TR-55
Service
SWMM (RUNOFF)
U.S. Environmental Protection Agency
MIKE 11 UHM
DHI, Inc.
DBRM 3.0
University of Florida
HYMO
U.S. Department of Commerce
PondPack v. 8
Haestad Methods, Inc.
XP-SWMM 8.52 and up
XP-Software
Continuous
DR3M
U.S. Geological Survey
event
HSPF 10.10 and up
U.S. Environmental Protection Agency
Mike 11 RR
DHI, Inc.
PRMS Version 2.1
U.S. Geological Survey
Interior drainage
HEC-IFH 1.03 and up
U.S. Army Corps of Engineers
analysis
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