Update to:

Computer Programs Released Since Publication of
U.S. Geological Survey Circular 1104
"Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality - 1994"

Last updated: August 29, 2007

Note: Many of the programs listed here and in USGS Circular 1104 are available at http://water.usgs.gov/software/ground_water.html.

Ahlfeld, D.P., Barlow, P.M., and Mulligan, A.E., 2005, GWM - A ground-water management process for the U.S. Geological Survey modular ground-water model (MODFLOW-2000): U.S. Geological Survey Open-File Report 2005-1072, 124 p.

Anderman, E.R., and Hill, M.C., 2000, MODFLOW-2000 The U.S. Geological Survey Modular Ground-Water Model – Documentation of the Hydrogeologic-Unit Flow (HUF)Package: U.S. Geological Survey Open-File Report 00-342, 89 p.

Anderman, E.R., and Hill, M.C., 2001, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - Documentation of the Advective-transport observation (ADV2) Package, Version 2: U.S. Geological Survey Open-File Report 01-54, 69 p.

Anderman, E.R., and Hill, M.C., 2003, MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Three additions to the Hydrogeologic-Unit Flow (HUF) Package: Alternative storage for the uppermost active cells, Flows in hydrogeologic units, and the Hydraulic-coductivity depth-dependence (KDEP) capability: U.S. Geological Survey Open-File Report 03-347, 36 p.

Anderman, E.R., Kipp, K.L., Hill, M.C., Valstar, Johan, and Neupauer, R.M., 2002, MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Documentation of the Model-Layer Variable-Direction Horizontal Anisotropy (LVDA) capability of the Hydrogeologic-Unit Flow (HUF) Package: U.S. Geological Survey Open-File Report 02-409, 60 p.

Banta, E.R., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - Documentation of packages for simulating evapotranspiration with a segmented function (ETS1) and drains with return flow (DRT1): U.S. Geological Survey Open-File Report 00-466, 127 p.

Banta, E.R., Poeter, E.P., Doherty, J.E., and Hill, M.C., 2006, JUPITER: Joint Universal Parameter IdenTification and Evaluation of Reliability-- An application programming interface (API) for model analysis: U.S. Geological Survey Techniques and Methods Book 6, Section E, Chapter 1, 268 p.

Charlton, S.R., Macklin, C.L., and Parkhurst, D.L., 1997, PHREEQCI-- A graphical user interface for the geochemical computer program PHREEQC: U.S. Geological Survey Water-Resources Investigations Report 97-4222, 9 p.

Christensen, Steen, and Cooley, R.L., 2004, User Guide to the UNC Process and Three Utility Programs for Computation of Nonlinear Confidence and Prediction Intervals Using Modflow-2000: U.S. Geological Survey Techniques and Methods 6-A10, 186 p.

Essaid, H.I., and Bekins, B.A., 1997, BIOMOC, A multispecies solute-transport model with biodegradation: U.S. Geological Survey Water-Resources Investigations Report 97-4022, 77 p.

Fenske, J.P., Leake, S.A., and Prudic, D.E., 1996, Documentation of a computer program ( RES1) to simulate leakage from reservoirs using the modular finite-difference ground-water flow model (MODFLOW): U.S. Geological Survey Open-File Report 96-364, 51 p.

Goode, D.J., 1999, Age, double porosity, and simple reaction modifications for the MOC3D ground-water transport model: U.S. Geological Survey Water-Resources Investigations Report 99-4041, 34 p.

Guo, Weixing, and Langevin, C.D., 2002, User's guide to SEAWAT: A computer program for simulation of three-dimensional variable-density ground-water flow: Techniques of Water-Resources Investigations of the United States Geological Survey, Book 6, Chapter A7, 77 p.

Halford, Keith J., 2006, MODOPTIM: A general optimization program for ground-water flow model calibration and ground-water management with MODFLOW: U.S. Geological Survey Scientific Investigations Report 2006-5009, 61 p.

Halford, K.J., and Hanson, R.T., 2002, User guide for the Drawdown-Limited, Multi-Node Well (MNW) Package for the U.S. Geological Survey’s Modular Three-Dimensional Finite-Difference Ground-Water Flow Model, Versions MODFLOW-96 and MODFLOW-2000: U.S. Geological Survey Open-File Report 02-293, 33 p.

Hanson, R.T., and Leake, S.A, 1999, Documentation for HYDMOD, a program for extracting and processing time-series data from the U.S. Geological Survey's modular three-dimensional finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 98-564, 57 p.

Harbaugh, A.W., 1994, A data input program (MFI) for the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model: U.S. Geological Survey Open-File Report 94- 468, 24 p.

Harbaugh, A.W., 1995, Direct solution package based on alternating diagonal ordering for the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 95-288, 46 p.

Harbaugh, A.W., 2002, A data input program (MFI2K) for the U.S. Geological Survey Modular Ground-Water Model (MODFLOW-2000): U.S. Geological Survey Open-File Report 02- 41, 55 p.

Harbaugh, A.W., 2005, MODFLOW-2005, The U.S. Geological Survey modular ground-water model—the Ground-Water Flow Process: U.S. Geological Survey Techniques and Methods 6-A16, variously p.

Harbaugh, A.W., 2007, MF2KtoMF05UC, a program to convert MODFLOW-2000 files to MODFLOW-2005 and UCODE_2005 files: U.S. Geological Survey Open-File Report 2007-1204.

Harbaugh, A.W., Banta, E.R., Hill, M.C., and McDonald, M.G., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model -- User guide to modularization concepts and the ground-water flow process: U.S. Geological Survey Open-File Report 00-92, 121 p.

Harbaugh, A.W., and McDonald, M.G., 1996a, User's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 96-485, 56 p.

Harbaugh, A.W., and McDonald, M.G., 1996b, Programmer's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 96-486, 220 p.

Harte, P.T., 2005, A Computer Program (ZONECONC) for Tabulating Concentration Statistics Using Results from the U.S. Geological Survey Modular Three-Dimensional Ground-Water Flow and Transport Model: U.S. Geological Survey Open-File report 2005-1422, 21 p.

Healy, R.W., and Ronan, A.D., 1996, Documentation of computer program VS2DH for simulation of energy transport in variably saturated porous media -- Modification of the U.S. Geological Survey's computer program VS2DT : U.S. Geological Survey Water-Resources Investigations Report 96-4230, 36 p.

Heberton, C.I., Russell, T.F., Konikow, L.F., and Hornberger, G.Z., 2000, MOC3D A three-dimensional finite-volume Eulerian-Lagrangian Localized Adjoint Method (ELLAM) for solute-transport modeling: U.S. Geological Survey Water-Resources Investigations Report 00-4087, 63 p.

Hill, M.C., Banta, E.R., Harbaugh, A.W., and Anderman, E.R., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model -- User guide to the observation, sensitivity, and parameter-estimation processes and three post-processing programs: U.S. Geological Survey Open-File Report 00-184, 209 p.

Hoffmann, Jörn, Leake, S.A., Galloway, D.L., and Wilson, A.M., 2003, MODFLOW-2000 Ground-Water Model-User guide to the subsidence and aquifer-system compaction (SUB) package: U.S. Geological Survey Open-File Report 03-233, 44 p.

Hornberger, G.Z., and Konikow, L.F., 1998, Addition of MOC3D solute-transport model capability to the U.S. Geological Survey MODFLOW-96 graphical-user interface using Argus Open Numerical Environments: U.S. Geological Survey Open-File Report 98-188, 30 p.

Hornberger, G.Z., Konikow, L.F., and Harte, P.T., 2002, Simulating solute transport across horizontal-flow barriers using the MODFLOW Ground-Water Transport Process: U.S. Geological Survey Open-File Report 02-52, 28 p.

Hsieh, P.A., 2001, TOPODRIVE and PARTICLEFLOW - Two computer models for simulation and visualization of ground-water flow and transport of fluid particles in two dimensions: U.S. Geological Survey Open-File Report 01-286, 30 p.

Hsieh, P.A., and Winston, R.B., 2002, User's guide to Model Viewer, a program for three-dimensional visualization of ground-water model results: U.S. Geological Survey Open-File Report 02-106, 18 p.

Jobson, H.E., and Harbaugh, A.W., 1999, Modifications to the diffusion analogy surface-water flow model (DAFLOW) for coupling to the modular finite-difference ground-water flow model (MODFLOW): U.S. Geological Survey Open-File Report 99-217, 107 p.

Joss, C.J., and Baehr, A.L., 1995, Documentation of AIR3D, an adaptation of the ground-water- flow code MODFLOW to simulate three-dimensional air flow in the unsaturated zone: U.S. Geological Survey Open-File Report 94-533, 154 p.

Kipp, Kenneth L. Jr., 1998, Guide to the revised Heat and Solute Transport Simulator: HST3D -- Version 2: U.S. Geological Survey Water-Resources Investigations Report 97-4157, 149 p.

Kipp, K.L., Konikow, L.F., and Hornberger, G.Z., 1998, An implicit dispersive transport algorithm for the U.S. Geological Survey MOC3D solute-transport model: U.S. Geological Survey Water-Resources Investigations Report 98-4234, 54 p.

Konikow, L.F., Goode, D.J., and Hornberger, G.Z., 1996, A three-dimensional Method-of- Characteristics solute-transport model (MOC3D): U.S. Geological Survey Water-Resources Investigations Report 96-4267, 87 p.

Konikow, L.F., Granato, G.E., and Hornberger, G.Z., 1994, User's guide to revised Method-of- Characteristics solute-transport model (MOC--Version 3.1): U.S. Geological Survey Water- Resources Investigations Report 94-4115, 63 p.

Konikow, L.F., and Hornberger, G.Z., 2006, Use of Multi-Node Well (MNW) Package when simulating solute transport with the MODFLOW Ground-Water Transport Process: U.S. Geological Survey Techniques and Methods 6-A15, 34 p.

Kontis, Angelo L., 2001, Computer program for simulation of variable recharge with the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model (MODFLOW): U.S. Geological Survey Open-File Report 00-173, 75 p. (instructions to download the software using FTP are in the report)

Lahvis, M.A., and Baehr, A.L., 1997, Documentation of R-UNSAT, A computer model for the simulation of reactive, multispecies transport in the unsaturated zone: U.S. Geological Survey Open-File Report 97-630, 104 p.

Langevin, C.D., Shoemaker, W.B., and Guo, Weixing, 2003, MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model-Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT): U.S. Geological Survey Open-File Report 03-426, 43 p.

Leake, S.A., and Claar, D.V., 1999, Procedures and computer programs for telescopic mesh refinement using MODFLOW: U.S. Geological Survey Open-File Report 99-238, 53 p.

Leake, S.A., and Galloway, D.L., 2007, MODFLOW ground-water model -- User guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for Water-Table Aquifers: U.S. Geological Survey Techniques and Methods, Book 6, Chap. A23, 42 p.

Leake, S.A., and Lilly, M.R., 1997, Documentation of a computer program (FHB1) for assignment of transient specified-flow and specified-head boundaries in applications of the Modular Finite-Difference Ground-Water Flow Model (MODFLOW): U.S. Geological Survey Open-File Report 97-571, 50 p.

Mehl, Steffen W., and Hill, Mary C., 2001, MODFLOW-2000, The U.S. Geological Survey Ground-Water Model – User Guide to the Link-AMG (LMG) Package for solving matrix equations using an algebraic multigrid solver: U.S. Geological Survey Open-File Report 01-177, 33 p.

Mehl, S.W. and Hill, M.C., 2005, MODFLOW-2005, the U.S. Geological Survey modular ground-water model -- documentation of shared node local grid refinement (LGR) and the Boundary Flow and Head (BFH) Package: U.S. Geological Survey Techniques and Methods 6-A12, 68 p.

Mehl, S.W. and Hill, M.C., 2007, MODFLOW-2005, the U.S. Geological Survey modular ground-water model -- documentation of the multiple-refined-areas capability of local grid refinement (LGR) and the Boundary Flow and Head (BFH) Package: U.S. Geological Survey Techniques and Methods 6-A21. 13 p.

Merritt, M.L., and Konikow, L.F.,2000, MODFLOW-2000 Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground-water flow model and the MOC3D solute-transport model: U.S. Geological Survey Water-Resources Investigations Report 00-4167, 146 p.

Niswonger, R.G. and Prudic, D.E., 2005, Documentation of the Streamflow-Routing (SFR2) Package to include unsaturated flow beneath streams--A modification to SFR1: U.S. Geological Survey Techniques and Methods, Book 6, Chap. A13, 47 p.

Niswonger, R.G., Prudic, D.E., and Regan, R.S., 2006, Documentation of the Unsaturated-Zone Flow (UZF1) Package for modeling unsaturated flow between the land surface and the water table with MODFLOW-2005: U.S. Geological Techniques and Methods Book 6, Chapter A19, 62 p.

Orzol, Leonard L., 1997, User's guide for MODTOOLS: Computer programs for translating data of MODFLOW and MODPATH into geographic information system files: U.S. Geological Survey Open-File Report 97-240, 86 p.

Parkhurst, David L., 1995, User's guide to PHREEQC -- A computer program for speciation, reaction-path, advective-transport, and inverse geochemical calculations: U.S. Geological Survey Water-Resources Investigations Report 95-4227, 143 p.

Parkhurst, D.L., Kipp, K.L., Engesgaard, Peter, and Charlton, S.R., 2004, PHAST—A program for simulating ground-water flow, solute transport, and multicomponent geochemical reactions: U.S. Geological Survey Techniques and Methods 6–A8, 154 p.

Planert, Michael, 1997, Documentation of a computer program to estimate the head in a well of finite radius using the U.S. Geological Survey modular finite difference ground-water flow model: U.S. Geological Survey Open-File Report 96-651-A, 11 p.

Plummer, L.N., Prestemon, E.C., and Parkhurst, D.L., 1994, An interactive code (NETPATH) for modeling net geochemical reactions along a flow path, version 2.0: U.S. Geological Survey Water-Resources Investigations Report 94-4169, 130 p.

Poeter, E.P., and Hill, M.C., 1998, Documentation of UCODE, A computer code for universal inverse modeling: U.S. Geological Survey Water-Resources Investigations Report 98-4080, 116 p.

Poeter, E.P., Hill, M.C., Banta, E.R., Mehl, Steffen, and Christensen, Steen, 2005, UCODE_2005 and Six Other Computer Codes for Universal Sensitivity Analysis, Calibration, and Uncertainty Evaluation: U.S. Geological Survey Techniques and Methods 6-A11, 283p.

Pollock, D.W., 1994, User's guide for MODPATH/MODPATH-PLOT, version 3: A particle tracking post processing package for MODFLOW, the U.S. Geological Survey finite- difference ground-water flow model: U.S. Geological Survey Open-File Report 94-464, 249 p. (MODPATH version 4 for MF2000)

Prudic, D.E., Konikow, L.F., and Banta, E.R., 2004, A new streamflow-routing (SFR1) package to simulate stream-aquifer interaction with MODFLOW-2000: U.S. Geological Survey Open-File Report 2004-1042, 95 p.

Schmid, Wolfgang, Hanson, R.T., Maddock, Thomas, III, Leake, S.A., 2006, User guide for the farm process (FMP1) for the U.S. Geological Survey’s modular three-dimensional finite-difference ground-water flow model, MODFLOW-2000: U.S. Geological Survey Techniques and Methods 6-A17, 127 p.

Shapiro, A.M., Margolin, J., Dolev, S., and Ben-Israel, Y., 1997, A graphical-user interface for the U.S. Geological Survey modular three-dimensional finite-difference ground-water flow model (MODFLOW-96) using Argus Numerical Environments: U.S. Geological Survey Open-File Report 97-121, 50 p.

Spitz, Frederick J., 2001, Method and computer programs to improve pathline resolution near weak sinks representing wells in MODFLOW and MODPATH ground-water-flow simulations: U.S. Geological Survey Open-File Report 00-392, 41 p.

Thoms, R.B., Johnson, R.L., and Healy, R.W., 2006, User’s guide to the Variably Saturated Flow (VSF) Process for MOD­FLOW: U.S. Geological Survey Techniques and Methods 6–A18, 58 p.

Tonkin, M.J., Hill, M.C., and Doherty, J.E., 2003, Modflow-2000, The U.S. Geological Survey Modular Ground-Water Model – Documentation of MOD-PREDICT for Predictions, Prediction Sensitivity Analysis, and Enhanced Analysis of Model Fit: U.S. Geological Survey Open-File Report 03-385, 69 p.

Tonkin, M.J., Tiedeman C. R., Ely D.M., and Hill M.C., 2007, OPR-PPR, a Computer Program for Assessing Data Importance to Model Predictions Using Linear Statistics: U.S. Geological Survey Techniques and Methods Report TM-6E2, 115 pages.

Voss, C.I., Boldt, D., and Shapiro, A.M., 1997, An Argus ONE graphical-user interface for the U.S. Geological Survey's SUTRA code: U.S. Geological Survey Open-File Report 97- 421, 106 p.

Voss, C.I., and Provost, A.M., 2003, SUTRA : A model for saturated-unsaturated, variable-density ground-water flow with solute or energy transport: U.S. Geological Survey Water-Resources Investigations Report 02-4231, 250 p.

Wilson, John D., and Naff, Richard L., 2004, The U.S. Geological Survey Modular Ground-Water Model - GMG linear equation solver package documentation: U.S. Geological Survey Open-File Report 2004-1261, 47 p.

Winston, Richard B., 1999, Upgrade to MODFLOW-GUI: Addition of MODPATH, ZONEBDGT, and additional MODFLOW packages to the U.S. Geological Survey MODFLOW-96 Graphical-User Interface: U.S. Geological Survey Open-File Report 99-184, 64 p.

Winston, Richard B., 2000, Graphical-User Interface for MODFLOW, Version 4: U.S. Geological Survey Open-File Report 00-315, 34 p.

Winston, R.B., 2006, GoPhast: A Graphical User Interface for PHAST: U.S. Geological Survey Techniques and Methods 6-A20, 98 p.

Zheng, Chunmiao, Hill, Mary C., and Hsieh, Paul A., 2001, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model – User guide to the LMT6 Package, The linkage with MT3DMS for multi-species mass transport modeling: U.S. Geological Survey Open-File Report 01-82, 43 p.

Zinn, B.A. and Konikow, L.F., 2005, MODFLOW Data Extractor Program, U.S. Geological Survey Open-File Report 2005-1143, 7 p.