USGS: Science for a changing world

PHAST--A Computer Program for Simulating Groundwater Flow, Solute Transport, and Multicomponent Geochemical Reactions



Bullet Abstract
new bullet Discussion forum: Search for answers, ask a question
Bullet Release Notes Bullet Ground Water Note for Phast4Windows (PDF)
Bullet P4W example, including PowerPoint guides, geographic data, and completed p4w files.
Bullet Documentation for PHAST Version 2 (PDF)
Bullet Documentation for PHREEQC (PDF)
Bullet Mail Archive--Questions and answers about PHREEQC, PhreeqcI, PHAST, and Netpath
Bullet PHREEQC Welcome page
Bullet Reports using PHREEQC and PHAST

Batch Version Download:

PHAST Version 2.0 has enhanced spatial data handling.

The Free Software Foundation's gunzip may be necessary to uncompress the UNIX tar files for Sun. However, some World Wide Web browsers automatically uncompress retrieved files.

PHAST 2.4.7-8914 (Latest version)
Platform Processor File names Size MD5 sum (GNU md5sum 8.5)
Linux 32-bit phast-2.4.7-8914.i686.rpm 17M e90a5ce31b6917b0bc4572e7ae2870cf
phast-2.4.7-8914.i686.tar.gz 20M cdc6c0aba5028b31c0d53e1cf1d4012a
64-bit phast-2.4.7-8914.x86_64.rpm 22M 07878fe6abed07456aa26b1b7d2f29e4
phast-2.4.7-8914.x86_64.tar.gz 22M 48ba91f2a9658a6c191811c5a43da4ff
Source with configure phast-2.4.7-8914.tar.gz 11M 8dcd7180086a61d9a259fa5e0b2e9b40
Windows 32-bit phast-2.4.7-8914.msi 21M cf1efcde2b7fcdc1b5e52954bc2d6175
64-bit phast-2.4.7-8914-x64.msi 23M d74a50118d5f6df4b9833a8fefc6aec5

PHAST Graphical User Interfaces (Batch version has Model Viewer and PhastHDF utilities):

new bullet Phast4Windows (Windows only) 1.0.9-8914, August 6, 2014 (48M)--GUI generates trans.dat file and runs serial or parallel PHAST.
Bullet ModelMuse (PHAST Version 1 capabilities only) (Windows)--GUI generates trans.dat file and runs PHAST.


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