IconBeginner's Guide to MODFLOW
IconFrequently Asked Questions
IconPackage Incompatibilities
IconSuggestions on Compiling
IconSuggestions on Enhancing MODFLOW
IconCall Graphs
IconName File
IconArray Reading Utility Modules
IconList Utility Module
IconInput Files Supported in Various Versions of MODFLOW
IconGroundwater Flow Process
IconBAS6 - Basic Package
IconDIS - Discretization File
IconMULT - Multiplier File
IconZONE - Zone File
IconGroundwater Flow Packages
IconBCF6 - Block-Centered Flow Package
IconLPF - Layer-Property Flow Package
IconHUF2 - Hydrogeologic-Unit Flow Package
IconKDEP - Hydraulic-Conductivity Depth-Dependence Capability
IconLVDA - Model-Layer Variable-Direction Horizontal Anisotropy Capability
IconHFB6 - Horizontal Flow Barrier Package
IconBoundary Condition Packages
IconSpecified Head Boundaries
IconCHD - Time-Variant Specified-Head Package
IconFHB - Flow and Head Boundary Package
IconSpecified Flux Boundaries
IconFHB - Flow and Head Boundary Package
IconRCH - Recharge Package
IconWEL - Well Package
IconHead-Dependent Flux Boundary Packages
IconDRN - Drain Package
IconDRT- Drain Return Package
IconETS - Evapotranspiration Segments Package
IconEVT - Evapotranspiration Package
IconGHB - General-Head Boundary Package
IconLAK - Lake Package
IconMNW1 - Multi-Node, Drawdown-Limited Well Package
IconMNW2 - Multi-Node Well Package
IconRES - Reservoir Package
IconRIV - River Package
IconSFR - Streamflow-Routing Package
IconSTR - Stream Package
IconDE4 - Direct Solver Package
IconGMG - Geometric Multigrid Solver
IconLMG - Link-AMG Package
IconPCG - Preconditioned Conjugate-Gradient Package
IconPCGN - Preconditioned Conjugate Gradient Solver with Improved Nonlinear Control
IconSIP - Strongly Implicit Procedure Package
IconSOR - Slice-Successive Overrelaxation Package
IconOutput Control
IconGAGE - Gage Package
IconHYD - HYDMOD Package
IconLMT6 - Link-MT3DMS Package
IconMNWI - Multi-Node Well Information Package
IconOC - Output Control Option
IconIBS - Interbed-Storage Package
IconSUB - Subsidence and Aquifer-System Compaction Package
IconSWT - Subsidence and Aquifer-System Compaction Package for Water-Table Aquifers
IconObservation Process
IconADV2 - Advective-Transport Observation Package
IconCHOB - Specified-Head Flow Observation Package
IconDROB - Drain Observation Package
IconDTOB - Drain Return Observation Package
IconGBOB - General-Head-Boundary Observation Package
IconHOB - Head-Observation Package
IconOBS - Input File For All Observations
IconRVOB - River Observation Package
IconSTOB - Stream Observation Package
IconSensitivity Process
IconSEN - Sensitivity Process Input File
IconParameter Estimation Process
IconPES - Parameter-Estimation Process Input File