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Water Resources Groundwater 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.

Groundwater Flow, Transport, and Geochemical Reactions, including Groundwater/Surface-Water Interactions

• BIOMOC (DOS/DG/SGI/Sun) Version 1.0, 1999/03/10
  A multispecies solute-transport model with biodegradation
• CFP (Win) Version 1.0, 2008/04/14
  Conduit Flow Process for MODFLOW 2005.
• GSFLOW (Linux/Win) Version 1.1.00, 2009/11/18
  Coupled Groundwater and Surface-water FLOW model based on the USGS Precipitation-Runoff Modeling System (PRMS) and Modular Groundwater Flow Model (MODFLOW-2005)
• HST3D (Unix/Linux/Win) Version 2.2.13, 2006/05/26
  Three-dimensional flow, heat, and solute transport model
• HYDROTHERM (Linux/Win) Version 3.1.0, 2008/03/01
  Three-dimensional finite-difference model to simulate multiphase groundwater flow and heat transport in the temperature range of 0 to 1,200 degrees Celsius
• INFIL3.0 (Win) Version 1.0, 2008/06/19
  A grid-based, distributed-parameter watershed model to estimate net infiltration below the root zone
• JUPITER API (DOS/Win) Version 1.3.1, 2009/08/17
  The Joint Universal Parameter IdenTification and Evaluation of Reliability Application Programming Interface
• MF2K-FMP and MF2005-FMP2 (Win) Version 1.0.00 and 1.0.00, 2009/10/28 and 2006/05/19
  Farm Process: Estimate dynamically integrated supply-and-demand components of irrigated agriculture as part of the simulation of surface-water and ground-water flow based on MODFLOW-2000 and MODFLOW-2005
• MF2K-GWM and MF2005-GWM Version 1.1.2 and 1.1, 2009/06/15
  Groundwater Management Process for MODFLOW-2000 and MODFLOW-2005 using optimization
• MF2K-GWT (DOS/Unix) Version 1.9.8, 2007/10/22
  Three-dimensional groundwater flow and solute-transport model integrated with MODFLOW-2000
• MMA (Sun/DOS) Version 1.000, 2007/08/20
  A computer code for analysis of multiple models of the same system using the same observations for calibration
• MODFE (DG/Sun) Version 1.2, 1998/07/08
  Modular finite-element model for areal and axisymmetric ground-water flow problems
• MODFLOW, MODFLOW-2005, and related programs
  Three-dimensional finite-difference groundwater model. Codes included on this link include MODPATH, RADMOD, and ZONEBUDGET.
• MODOPTIM (Win) Version 1.0, 2005/05/05
  A General Optimization Program for Groundwater Flow Model Calibration and Groundwater Management in MODFLOW
• OPR-PPR (Win/DOS) Version 1.00, 2007/08/13
  A Computer Program for Assessing Data Importance to Model Predictions Using Linear Statistics
• PHAST (Linux/Win) Version 1.5.1, 2008/03/24
  A program for simlulating ground-water flow, solute transport, and multicomponent geochemical reactions
• PHREEQC (Mac/Linux/Win) Version 2.15.0, 2008/02/05
  A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations.
• SEAWAT Version 4.00.03, 2009/09/22
  A computer program for simulation of three-dimensional variable-density groundwater flow and transport
• SHARP (DOS/DG/SGI/Sun) Version 1.1, 09/03/2004
  A quasi-three-dimensional, numerical finite-difference model to simulate freshwater and saltwater flow separated by a sharp interface in layered coastal aquifer systems
• STRMDEPL08 Version 1.0, 2008/06/30
  A computer program using analytical solutions to calculate streamflow depletion by a nearby pumping well
• SUTRA and related programs
  2D, 3D, variable-density, variably-saturated flow, solute or energy transport
• SUTRA-MS (DOS) Version 2004.1, 2005/05/09
  A version of SUTRA for simulating heat and multiple-solute transport
• TopoDrive and ParticleFlow (Sun/Win) Version 1.0, 2002/02/13
  Two Computer Models for Simulation and Visualization of Groundwater Flow and Transport of Fluid Particles in Two Dimensions
• UCODE_2005 (DOS/UNIX) Version 1.017, 2009/08/17
  A computer code for universal inverse modeling.

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Variably-Saturated Flow and Transport

• AIR2D, AIR3D, 1998/04/20
  Simulate the movement of air to or from a single borehole screened in the unsaturated zone. Three dimensional air-flow in a heterogeneous, anisotropic unsaturated zone where air flow is induced through dry wells or trenches, as in vapor-extraction remediation
• MF2K-VSF (Win) Version 1.01, 2006/07/05
  Three-Dimentional finite-difference groundwater model (MODFLOW)—2000 version—with variably saturated flow
• R-UNSAT, 2006/04/24
  Reactive, multispecies transport in a heterogeneous, variably-saturated porous media
• SUTRA and related programs
  2D, 3D, variable-density, variably-saturated flow, solute or energy transport
• SUTRA-MS (DOS) Version 2004.1, 2005/05/09
  A version of SUTRA for simulating heat and multiple-solute transport
• VS2DH (Sun/Win) Version 3.2, 2004/10/18
  Model for simulating water flow and energy transport in variably saturated porous media
• VS2DI (Win) Version 1.2, 2004/10/18
  A graphical software package for simluating fluid flow and solute or energy transport in variably saturated porous media
• VS2DT (Sun/Win) Version 3.2, 2004/10/18
  Model for simulating water flow and solute transport in variably saturated porous media

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Hydrograph-Separation and other Streamflow-Based Programs

• HYSEP (DOS/DG/Sun) Version 2.2, 1997/06/10
  Hydrograph Separation Program
• PART (Win) Version 1.0, 2007/01/29
  A computerized method of base-flow-record estimation
• PULSE (Win), 2007/01/29
  Model-Estimated Groundwater Recharge and Hydrograph of Groundwater Discharge to a Stream
• RECESS, 2007/01/29
  A computer program for analysis of streamflow recession
• RORA, 2007/01/29
  The recession-curve-displacement method for estimating recharge

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Analysis of Aquifer Tests and Slug Tests

• AIRSLUG (DOS/DG/SGI/Sun) Version 1.1, 1996/03/12
  A Fortran program to generate type curves to interpret the recovery data from prematurely terminated air-pressurized slug tests
• AQTESTSS (Win) Version 1.2, 2004/07/02
  Several spreadsheets for the analysis of aquifer-test and slug-test data
• BAT3 Analyzer (Win) Version 1.0.0.0, 2008/01/31
  Real-Time Data Display and Interpretation Software for the Multifunction Bedrock-Aquifer Transportable Testing Tool (BAT3)
• DDestimate (Win) Version 1.1, 2007/07/10
  A spreadsheet application for simulating time series and estimating drawdowns.
• WTAQ (DG/Win) Version 1.0, 2000/01/07
  A computer program for calculating drawdowns and estimating hydraulic properties for confined and water-table aquifers

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Graphical User Interfaces and Post Processors

• Budgeteer (Win) Version 1.0.6.0, 2001-07-09
  Postprocessor for MODFLOW, MOC3D, SUTRA, MT3D, and ZONEBDGT
• Edit Contours PIE (Win) Version 2.1.0.0
  Utility Plug-in for editing contours and importing data from spreadsheets for use within Argus Open Numerical Environments (Argus ONE)
• Edit Data Layer PIE (Win) Version 2.0.0.0, 2001/07/09
  Utility Plug-in for editing data in data layers and importing data from spreadsheets for use within Argus Open Numerical Environments (Argus ONE)
• EXTRACTOR (Win) Version 1.0, 2005/05/04
  Extracts data from MODFLOW head or drawdown files or from MODFLOW-GWT.
• Five MODFLOW Utilities (DOS/Win) Version 1.2.0, 2009/07/08
  Five MODFLOW Groundwater Modeling Utility Programs
• GW_Chart Version 1.22.0.0, 2009/09/16
  Graphing application for MODFLOW, MOC3D, MODFLOW2000-GWT, ZONEBUDGET, SUTRA, MT3D, HST3D, UCODE-2005 and OPR-PPR. Also draws Piper diagrams.
• HUFPrint (DOS/Win) Version 1.1, 2009/07/23
  A tabulation and visualization utility for the Hydrogeologic-Unit Flow (HUF) Package of MODFLOW
• Model Viewer (Win) Version 1.3, 2009/01/22
  Model Viewer is a computer program that displays the results of three-dimensional groundwater models
• ModelMuse (Win) Version 2.1.1.0, 2009/09/02
  A Graphical User Interface for MODFLOW-2005 and PHAST
• PhreeqcI (Win) Version 2.15.0-2697, 2008/02/05
  Graphical user interface for PHREEQC
• PHRQCGRF (Win) Version 2.2, 2000/03/23
  A Computer Program for Graphical Interpretation of PHREEQC Geochemical Transport Simulations
• Utility PIEs (Win) Version 1.7.13.0, 2009/09/17
  Programs for simplifying the analysis of geographic information in U.S. Geological Survey groundwater models

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Obsolete software and software that is not actively supported by the USGS

See entire listing of Retired software

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.