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GW_Chart (Version

Revision history

GW_Chart is a program for creating specialized graphs used in groundwater studies. It incorporates the functionality of two previous programs, Budgeteer and Hydrograph Extractor and adds additional new features. There are six major types of graphs created with GW_Chart:

It reads data from the following programs to create these plots GW_Chart can also convert cell-by-cell budget files generated by MODFLOW to text files.

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.

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.

GW_Chart compiled for Microsoft Windows 98, 2000, XP, Vistas, Windows 7 or Windows 8.

To install, either download and run the installer or download and unzip the zip file.
Download installer (1.66 Mb)
Download software for manual installation (1.66 Mb)

Source Code (380 kb)
GW_Chart is written in Object Pascal and compiled with Borland Delphi 7.0

Library for reading budget files (MODFLOW-2000 version 1.1 or earlier)

Library for reading budget files (MODFLOW-2000 version 1.2 or later)

  • Source code for Help file (20 kb)
  • Delphi Components

    These components plus a modified version of the TChart package (version 6.01) from Steema Software are required to compile the GW_Chart. The required modifications of TChart are described in the file ReadMe.txt in the source code for GW_Chart above. (6 kb) (30 kb) (28 kb) (114 kb) (3 kb) (1 kb) (17 kb) (8 kb)


    Winston, R.B., 2000, Graphical User Interface for MODFLOW, Version 4: U.S. Geological Survey Open-File Report 00-315, 27 p.

    USGS OFR 00-315, Portable Document Format (PDF) (308K)

    Related Programs

    MT3D (not a USGS program)

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    U.S. Geological Survey
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    Last Iteration: April 14, 2015