IconIntroduction
IconBeginner's Guide to MODFLOW
IconFrequently Asked Questions
IconPackage Incompatibilities
IconSuggestions on Compiling
IconSuggestions on Enhancing MODFLOW
IconCall Graphs
IconMiscellaneous
IconName File
IconLGR Control 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
IconPVAL - Parameter Value 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
IconUZF - Unsaturated-Zone Flow Package
IconBoundary Condition Packages
IconSpecified Head Boundaries
IconBFH - Boundary Flow and Head Package
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
IconUZF - Unsaturated Zone Flow Package
IconSolvers
IconDE4 - Direct Solver Package
IconGMG - Geometric Multigrid Solver
IconPCG - Preconditioned Conjugate-Gradient Package
IconSIP - Strongly Implicit Procedure Package
IconOutput Control
IconGAGE - Gage Package
IconHYD - HYDMOD Package
IconLMT6 - Link-MT3DMS Package
IconMNWI - Multi-Node Well Information Package
IconOC - Output Control Option
IconSubsidence
IconIBS - Interbed-Storage Package
IconSUB - Subsidence and Aquifer-System Compaction Package
IconSWT - Subsidence and Aquifer-System Compaction Package for Water-Table Aquifers
IconObservation Process
IconCHOB - Specified-Head Flow Observation Package
IconDROB - Drain Observation Package
IconGBOB - General-Head-Boundary Observation Package
IconHOB - Head-Observation Package
IconRVOB - River Observation Package
IconSTOB - Stream Observation Package

2018 U.S. Geological Survey