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@MODFLOW-ORG MODFLOW and Related Programs

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    31 repositories

    • modflow6-nightly-build

      Public
      MODFLOW 6 nightly build
      Creative Commons Zero v1.0 Universal
      •7•8•0•0•Updated Apr 25, 2026Apr 25, 2026

    • modflow6

      Public
      USGS Modular Hydrologic Model
      earth-sciencegroundwatermodflow
      earth-sciencegroundwatermodflow
      Fortran
      •
      Other
      •156•345•40•27•Updated Apr 24, 2026Apr 24, 2026

    • ModelingTools

      Public
      Tools to help generate input and view output from groundwater models
      Pascal
      •8•6•0•0•Updated Apr 23, 2026Apr 23, 2026

    • modflow-devtools

      Public
      MODFLOW development toolkit
      Python
      •
      Other
      •7•2•7•1•Updated Apr 22, 2026Apr 22, 2026

    • mt3d-usgs

      Public
      MT3D-USGS Repository
      solute-transportmodflowgroundwater-modelling
      solute-transportmodflowgroundwater-modellinggroundwater-remediation
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •14•27•13•0•Updated Apr 15, 2026Apr 15, 2026

    • mf2005

      Public
      MODFLOW-2005 repository
      FreeBASIC
      •5•8•13•2•Updated Apr 14, 2026Apr 14, 2026

    • mfusgt

      Public
      MODFLOW-USGT
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •3•2•0•1•Updated Apr 4, 2026Apr 4, 2026

    • modflow6-examples

      Public
      Collection of MODFLOW 6 example models
      Python
      •56•57•1•1•Updated Apr 1, 2026Apr 1, 2026

    • zonbudusg

      Public
      Program to compute and print volumetric budgets over subregions of a flow system that is being simulated using the USGS MODFLOW Unstructured Grid (USG) Model
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •2•2•0•1•Updated Apr 1, 2026Apr 1, 2026

    • zonbud

      Public
      ZONEBUDGET: A Program for Computing Subregional Water Budgets for MODFLOW Groundwater Flow Models
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •2•1•0•0•Updated Apr 1, 2026Apr 1, 2026

    • gridgen

      Public
      GRIDGEN: A Program for Generating Unstructured Finite-Volume Grids
      C++
      •
      Creative Commons Zero v1.0 Universal
      •3•3•0•0•Updated Mar 31, 2026Mar 31, 2026

    • triangle

      Public
      A Two-Dimensional Quality Mesh Generator and Delaunay Triangulator.
      C
      •
      Other
      •2•1•1•0•Updated Mar 31, 2026Mar 31, 2026

    • modflowapi

      Public
      xmipy extension for the MODFLOW API
      Python
      •
      Creative Commons Zero v1.0 Universal
      •18•30•9•2•Updated Mar 20, 2026Mar 20, 2026

    • modflow6-testmodels

      Public
      MODFLOW 6 example problems
      QuickBASIC
      •14•6•0•0•Updated Feb 25, 2026Feb 25, 2026

    • modflow6-largetestmodels

      Public
      Large Tests for MODFLOW 6
      FreeBASIC
      •5•2•0•0•Updated Feb 25, 2026Feb 25, 2026

    • vs2dt

      Public
      Water Flow and Solute Transport in Variably Saturated Porous Media
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •1•0•0•0•Updated Feb 23, 2026Feb 23, 2026

    • swtv4

      Public
      Three-Dimensional Variable-Density Ground-Water Flow and Transport
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •1•0•0•0•Updated Feb 19, 2026Feb 19, 2026

    • mflgr

      Public
      MODFLOW LGR: MODFLOW 2005 with Local Grid Refinement
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •1•0•0•0•Updated Feb 19, 2026Feb 19, 2026

    • mt3dms

      Public
      A Modular 3-D Multi-Species Transport Model for Simulation of Advection, Dispersion, and Chemical Reactions of Contaminants in Groundwater Systems
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •3•6•2•0•Updated Feb 19, 2026Feb 19, 2026

    • mf2000

      Public
      MODFLOW-2000 repository
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •2•1•0•1•Updated Feb 19, 2026Feb 19, 2026

    • mfnwt

      Public
      A Newton Formulation for MODFLOW 2005
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •1•0•0•0•Updated Feb 19, 2026Feb 19, 2026

    • modpath6

      Public
      MODPATH 6: Particle tracking for MODFLOW-2000 and MODFLOW-2005
      Fortran
      •
      Creative Commons Zero v1.0 Universal
      •1•0•0•0•Updated Feb 19, 2026Feb 19, 2026

    • modpath-v7

      Public
      MODPATH 7: Particle tracking for MODFLOW 2005, MODFLOW USG, and MODFLOW 6
      Fortran
      •7•12•11•2•Updated Feb 12, 2026Feb 12, 2026

    • mfusg

      Public
      Public repository for MODFLOW-USG
      Fortran
      •6•9•8•0•Updated Feb 12, 2026Feb 12, 2026

    • executables

      Public
      MODFLOW and related program executables for Windows, Mac, and Linux
      Python
      •8•46•2•0•Updated Feb 10, 2026Feb 10, 2026

    • cookiecutter-fortran

      Public
      Template for creating Fortran projects with meson, pixi and CI
      Python
      •0•0•0•0•Updated Feb 4, 2026Feb 4, 2026

    • modelviewer-mf6

      Public
      Model Viewer for MODFLOW 6
      qtearth-sciencevtk
      qtearth-sciencevtkgroundwatermodflow
      C++
      •
      Other
      •4•13•34•0•Updated Oct 3, 2024Oct 3, 2024

    • usgslatex

      Public
      TeX
      •1•0•0•1•Updated Jul 28, 2024Jul 28, 2024

    • modelviewer-mf6-build-deps

      Public
      Build dependencies for Model Viewer for MODFLOW 6
      0•0•0•0•Updated Jan 26, 2023Jan 26, 2023

    • pumatools

      Public
      Microsoft Windows .NET component libraries and applications for MODFLOW data pre- and post-processing.
      C#
      •0•1•0•0•Updated Jan 6, 2018Jan 6, 2018
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