MODFLOW and Related Programs
MODFLOW: 3D Finite-Difference Groundwater Flow Model
Status of MODFLOW Versions and MODFLOW-Related Programs Available on USGS Web Pages (January, 2011)
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Version: 1.10.00 MODFLOW-2005 (March. 6, 2013)
Version: 1.2 MODFLOW-LGR (May 18, 2010)
Version: 1.0.7 MODFLOW-NWT
(Jan. 15, 2013)
Version: 1.0 MODFLOW-USG (May 3, 2013)
MODFLOW-2000 can be found under the banner " Legacy and Superseded Software")
Related Programs for Simulation of Hydrologic Processes, Model Calibration, and Groundwater Management
Version 1.8 CFP
Feb 23, 2011 Conduit Flow Process for MODFLOW 2005
Version 1.0,0 GEN_LHS and MCDRIVER_LHS
Aug. 27, 2011 Programs for calibration-based Monte Carlo simulation of recharge areas
Version: 1.1.6 GSFLOW (Posted Mar. 28, 2012) Coupled
Groundwater and Surface-water FLOW model based on the USGS Precipitation-Runoff Modeling System (PRMS) and Modular Groundwater Flow Model (MODFLOW-2005
Version 1.1.4 GWM-2000 and [May 31, 2011] Version 1.4.2 GWM-2005 [March 25, 2013] Capability for groundwater management using optimization techniques with either MODFLOW-2000 or MODFLOW-2005
(Win) Version 1.00, MF2K-FMP and (May 19, 2006) (Win) Version 1.0.00, MF2005-FMP2
(Oct. 28. 2009) Estimate dynamically integrated supply-and-demand components of
irrigated agriculture as part of the simulation of surface-water and
, MF2K-GWT Version 1.9.8 and MOC3D
Version 3.52 (Oct. 22, 2008) Version of MODFLOW-2000 with Groundwater Transport Process to
simulate concentration changes
Version: 3.7 MODBRNCH (Jun 5 1997) Groundwater/Surface-Water Coupled Flow Model using USGS MODFLOW
and BRANCH Models
Version 1.0 MODOPTIM (May 5, 2006) A general optimization program for aquifer-test analysis,
groundwater flow model calibration, and groundwater management with
MODPATH and MODPATHPLOT-PC A particle-tracking postprocessing code for MODFLOW
6.0.01 for MODFLOW-2000 and 2005
Aug. 24 2012)
1.0 MODPATH-LGR (March, 2012) A particle-tracking postprocessing code for MODFLOW-LGR
Version 1.01 MOD-PREDICT (October 4, 2005) A program that makes definition and analysis of predictions
easier for users of MODFLOW-2000 and enhances the analysis capabilities
of model fit to observations and prior information
Version 1.1 MODTMR,
TMRDIFF, and RIVGRID (May 16, 2001) Computer programs for telescopic mesh refinement using MODFLOW-96
Version 4.00.03 SEAWAT and
SEAWAT-2000 (Sept. 21, 2009) The SEAWAT program was developed to simulate three-dimensional,
variable-density, transient groundwater flow in porous media.
Version 1.01.0 SWR
(Oct. 17, 2012) The Surface-Water Routing (SWR) Process was developed to accurately simulate stages, surface-water flows, and surface-water/groundwater interactions in areas where surface-water gradients are small and (or) there is significant management of surface water.
Version 1.01 VSF (July 5,
2006) Three-dimensional finite-difference groundwater model
(MODFLOW--2000 version) with variably saturated flow
Post-Processors and Graphical User Interfaces
Version: 1.0 Extractor
(Mar. 4, 2005) Program to extract data from formatted
and labeled MODFLOW head or drawdown files or from MODFLOW-GWT
concentration or velocity files.
Version: 1.2.0 Five MODFLOW Utilities
(July 8, 2009) Utilities designed to extract and process information from input files prepared for, and output files generated by, MODFLOW.
Version: 126.96.36.199 GW_Chart April 8, 2012) Graphing application for MODFLOW, MOC3D, ZONEBUDGET, SUTRA, MT3D, HST3D. UCODE-2005, and OPR-PPR. Also draws Piper diagrams and converts binary cell-by-cell flow files to text files.
Version: 1.2.1 HUFPrint
(Oct. 27, 2011) A tabulation and visualization utility for the Hydrogeologic-Unit Flow (HUF) Package of MODFLOW
Version 1.0 ListingAnalyst (April 16, 2013) ListingAnalyst is a Windows® program for viewing the main output file from MODFLOW-2005, MODFLOW-NWT and MODFLOW-LGR.
Version 1.0 MFI2005 (April 29, 2010) Data input program for MODFLOW-2005, MODPATH, and UCODE_2005
Version 1.1 MFI2k (Dec. 13, 2005) Data input program for MODFLOW-2000 and MODPATH
, Version 1.2 MF2KtoMF05UC (Sept. 3, 2010) A Program To Convert MODFLOW-2000 Files to MODFLOW-2005 and UCODE_2005 Files
, Version 1.0.1 ModelMate (June 4, 2012) A graphical user interface (GUI) for model analysis. ModelMate supports UCODE_2005 (UCODE), MODFLOW-2005 (MODFLOW), and ModelMuse.
Version 188.8.131.52 ModelMuse (May 13, 2013) A Graphical User Interface for MODFLOW-2005, MODFLOW-LGR, MODFLOW-NWT, MT3DMS, PHAST, MODPATH, and ZONEBUDGET
Version 1.6 Model Viewer (Sept. 23, 2012) Model Viewer is a computer program that displays the results of
three-dimensional groundwater models.
Version 184.108.40.206 MODFLOW-GUI (April 20, 2012) Graphical Pre- and post-processor for use with the MODFLOW,
MOC3D, MF2K-GWT, MT3DMS, MODPATH, and ZONEBUDGET models, for use within
Version 6.0 MODTOOLS (June 1, 1998) MODTOOLS is a set of computer programs for translating data of
the groundwater model, MODFLOW, and the particle-tracker, MODPATH,
into a Geographic Information System (GIS).
Version: 3.01 ZONEBUDGET (Dec. 18 2009) Program for computing subregional water budgets for MODFLOW
Version 1.5 ZONECONC (Oct. 25, 2005) A postprocessing program that tabulates concentration statistics
from concentration data generated by MODFLOW-GWT.
Legacy and Superseded Software
AIR3D (April 20, 1998) Adaptation of the groundwater flow code MODFLOW to simulate
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
Version: 2.3 MFI Replaced by (Dec 6 1996) for MODFLOW-2000 MFI2k Text based data input for MODFLOW, MODPATH, and MOC3D
Version: 1.19.01 MODFLOW-2000 (Mar. 25, 2010)
Version: 3.3h MODFLOW-96 (July 10, 2000) (Includes HYDMOD
Version: 3.3 MODFLOW-96 (May 2, 2000)
Version: 2.6 MODFLOW-88 (Sept 20 1996)
1.1 MODFLOW/DAFLOW (Dec. 26, 2002) Integrated surface-water/groundwater model. Replaced by DAF1 Package in MODFLOW-2000
Version: 3.2 MODFLOWP (Oct 9 1997) MODFLOW-96 with parameter-estimation (parameter-estimation is built into MODFLOW-2000)
MODPATH and MODPATHPLOT-PC
Release 2 for MODFLOW-96
See (June 14, 2000) Version:
5.0 of MODPATH for MODFLOW-2000 and MODFLOW-2005.
Version: 1.1 RADMOD (Jan 19 1996) A preprocessor for MODFLOW-96 to simulate axisymmetric problems
Links to the latest USGS groundwater modeling software, upgrades and
corrections are posted on this page as soon as new codes become
from the code authors. The links found here will always provide the
newest software from various sources.
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.
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U.S. Geological Survey
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Last Iteration: May 13, 2013