USGS home page

Version 4 has been released. Go to for more information.


Preprocessor and postprocessor graphical-user interfaces for preparing MODFLOW-96 and MOC3D input data and viewing model output for use within Argus Open Numerical Environments (Argus ONE)

References to commercial vendors of software products or services are provided solely for the convenience of users when obtaining or using USGS software. Such references do not imply any endorsement by the U.S. Government.


Summary of MODFLOW-GUI

Version history

Installation instructions (README file)

Cost and ordering of U.S. Geological Survey printed documentation.

Note: The Argus ONE interface only works with MODFLOW-96 and not with earlier versions of MODFLOW.

MODFLOW-GUI supports the following packages: BAS5, BCF5, WEL5, RIV5, DRN5, GHB5, RCH5, EVT5, SOR5, SIP5, PCG2, DE4, STR1, HFB1, FHB1, MOC3D, MODPATH, and ZONEBDGT.

The following capabilities are NOT yet supported: CHD1, IBS1, RES1, TLK1, and GFD1.

Software (Version

A README.txt file containing installation instructions is included with each software distribution file.

The zip files available below must be unzipped using a utility that preserves long filenames, such as PKZIP for Windows. A shareware version of PKZIP for Windows is available from PKWARE.


required only for Windows NT 3.51.

MODFLOW-GUI installation program for Microsoft Windows 9x or NT (Includes MODFLOW v. 3.2, MOC3D v. 3.01, MODPATH v. 3.00, MODPATH-PLOT v. 3.00, and ZONEBDGT v. 1.)

One file [12.6 Mb]

MODFLOW-GUI compiled for Microsoft Windows 9x or NT 4.4MB)

MODFLOW-GUI source code for compilation under...

Microsoft Windows 9x or NT (4.2Mb) (Includes version of the customized MODFLOW GUI.)

MODFLOW and MODFLOW GUI Tutorial for use under...

Microsoft Windows 9x or NT (5.4Mb)

MODFLOW-GUI requires use of the proprietary software, Argus ONE. Information on this software and a free demonstration version of Argus ONE that allows limited use of MODFLOW-GUI may be obtained from Argus Interware, Inc.


Shapiro, A.M., Margolin, J., Dolev, S., and Ben-Israel, Y., 1997, A Graphical-User Interface for the U.S. Geological Survey Modular Three-Dimensional Finite-Difference Ground-Water Flow Model (MODFLOW-96) Using Argus Numerical Environments: U.S. Geological Survey Open-File Report 97-121, 50 p.

User's Manual, PostScript, self-extracting DOS executable (570K)

User's Manual, Portable Document Format (PDF) (290K)

Hornberger, G.Z., and Konikow, L.F., 1998, Addition of MOC3D solute- transport capability to the U.S. Geological Survey MODFLOW-96 graphical-user interface using Argus Open Numerical Environments: U.S. Geological Survey Open-File Report 98-188, 30 p.

USGS OFR 98-188, PostScript, self-extracting DOS executable (568K)

USGS OFR 98-188, Portable Document Format (PDF) (861K)

Winston, R.B., 1999. Upgrade to MODFLOW-GUI: Addition of MODPATH, ZONEBDGT, and additional MODFLOW packages to the U.S. Geological Survey MODFLOW-96 Graphical-User Interface: U.S. Geological Survey Open-File Report 99-184, 63 p.

USGS OFR 99-184, PostScript, zip file (1.0Mb)

USGS OFR 99-184, Portable Document Format (PDF) (626K)

Web page comments, contact: Richard Winston <>
U.S. Geological Survey
431 National Center
Reston, VA 20192

Last Iteration: Aug 25 2000