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Water Resources Surface Water Software

This software and related material (data and documentation) are made available by the U.S. Geological Survey (USGS) to be used in the public interest and the advancement of science. You may, without any fee or cost, use, copy, modify, or distribute this software, and any derivative works thereof, and its supporting documentation, subject to the USGS software User's Rights Notice.

You may obtain other electronic or print versions of USGS reports and documentation that are not included with the software distributions.

Surface Water list

• ANNIE (DOS/Sun) Version 4.1, 2002/02/25
  Interactive Hydrologic Analyses and Data Management
• BRANCH (DOS/DG/Sun) Version 4.3, 1997/06/05
  Branch-Network Dynamic Flow Model
• BSDMS (DOS/DG) Version 2.1, 1996/03/01
  Bridge Scour Data Management System
• CAP (DOS/DG/SGI/Sun) Version 97-08c, 1999/11/15
  Culvert Analysis Program
• CGAP (DOS/DG/Sun) Version 3.5, 1995/10/06
  Channel Geometry Analysis Program
• CRT (Win) Version 1.0, 2013/03/31
  Cascade Routing Tool to Define and Visualize Flow Paths for Grid-Based Watershed Models
• DR3M (DOS/DG) Version 2.1, 1996/03/01
  Distributed Routing Rainfall-Runoff Model
• FEQ (DOS) Version 10.60, 2009/03/31
  Full EQuations Model
• FESWMS-2DH (DG) Version 1.10.DG1, 1995/06/07
  Finite-element surface-water modeling system for two-dimensional flow in the horizontal plane
• FourPt (DG/Sun) Version 95.01, 1997/06/04
  An unsteady, one-dimensional, open-channel flow model
• GCLAS (Unix/Win) Version 1.06, 2012/06/09
  Graphical Constituent Loading Analysis System
• GenScn (Win) Version 1.0, 1998/08/14
  GENeration and analysis of model simulation SCeNarios
• GLSNet (DOS/DG) Version 4.0, 2005/01/27
  Regional hydrologic regression and NETwork analysis using Generalized Least Squares
• GSFLOW (Linux/Win) Version 1.1.6, 2013/03/28
  Coupled Groundwater and Surface-water FLOW model based on the USGS Precipitation-Runoff Modeling System (PRMS) and Modular Groundwater Flow Model (MODFLOW-2005)
• HSPexp (DOS/DG) Version 2.4, 2002/06/26
  Expert System for Calibration of HSPF
• HSPF (DOS/DG) Version 11.0, 1996/03/01
  Hydrological Simulation Program--Fortran
• HYSEP (DOS/DG/Sun) Version 2.2, 1997/06/10
  Hydrograph Separation Program
• INFIL3.0 (Win) Version 1.0, 2008/06/19
  A grid-based, distributed-parameter watershed model to estimate net infiltration below the root zone
• IOWDM (DOS/Sun) Version 4.1, 2002/02/25
  Input and Output for a Watershed Data Management (WDM) file
• KTRLine (Win) Version 1.0, 2010/01/11
  Kendall-Theil Robust Line
• LOADEST (Linux/Unix/Win)
  Homepage for LOADEST software distributed by the U.S. Geological Survey
• MEASERR (DOS/DG/Sun) Version 2.5, 1994/04/19
  A Program for Determination of Error in Individual Discharge Measurements
• MODEIN (DOS/DG/Sun) Version 1.4, 1998/01/16
  Computation of total sediment discharge by the modified Einstein procedure
• NCALC (DOS/DG/Sun) Version 2.6, 1995/03/30
  Manning's n value calculation program
• NFF (Win) Version 3.2, 2003/04/30
  National Flood Frequency program
• NSS (Win) Version 6.0, 2012/11/21
  National Streamflow Statistics program
• OTEQ (Linux/Unix)
  Homepage for OTEQ software distributed by the U.S. Geological Survey
• OTIS (Linux/Sun/Unix/Win), 1998/04/20
  One-dimensional transport with inflow and storage (OTIS): A solute transport model for streams and rivers
• PeakFQ (DOS/Sun/Win) Version 5.2, 2007/11/01
  Flood-frequency analysis based on Bulletin 17B
• PRMS (Win) Version 3.0.2, 2012/09/22
  Precipitation Runoff Modeling System (PRMS)
• SAC (Win/Mac/DOS/Sun) Version 2.0 and 1.0, 2012/10/05
  Slope-Area Computations
• SEDDISCH (DOS/DG/Sun) Version 1.2, 1998/01/16
  Computation of fluvial sediment discharge
• SEDSIZE (DOS/DG/Sun) Version 1.9, 1997/06/02
  Particle-size statistics of fluvial sediments
• StreamStats (online) Version 2, 2011/01/07
  StreamStats streamflow statistics web application
• SWSTAT (DOS/Sun) Version 4.1, 2002/02/25
  Surface-Water Statistics
• WREG (WindowsXP) Version 1.04, 2012/09/20
  Weighted-multiple-linear REGression
• WSPRO (DOS/DG/Sun) Version V060188, 1996/01/17
  A Computer Model for Water-Surface PROfile Computations

Legacy and Superseded software, and software that is not actively supported by the USGS

• E431 (DG/Sun) Version 83.180, 1995/11/22
  Step-Backwater and Floodway Analyses (superseded by WSPRO)

Abbreviations for OSs

Computer systems for which software distribution packages have been compiled are shown in parentheses following the software name; abbreviations used are defined as follows:

• DOS - IBM-compatible PC, 386 or higher with math coprocessor
• DG - Data General AViiON DG/UX
• Linux - Red Hat 6.1 for i386
• Mac - Macintosh
• SGI - Silicon Graphics Indigo
• Sun - Sun SPARCstation Solaris
• Win - Microsoft Windows
• online - the application runs directly from its webpage.