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 2.4.6-8538 (Latest version)
Platform Processor File names Size MD5 sum (GNU md5sum 8.5)
Linux 32-bit phast-2.4.6-8538.i686.rpm 17M 07bd7706ac02ce396cf374c818b34666
phast-2.4.6-8538.i686.tar.gz 20M 2d767a0d3e0fc16c41a6d9d95417fa4e
64-bit phast-2.4.6-8538.x86_64.rpm 22M fa9fde64547b3e7c604f55eb859dc6ff
phast-2.4.6-8538.x86_64.tar.gz 22M 711661846e91e1a9894312118ec1511b
Source with configure phast-2.4.6-8538.tar.gz 11M 77981a590a8246705ca71f107c6c209b
Windows 32-bit phast-2.4.6-8538.msi 21M c7c854d86c7b07ea97f6c4a5441a5b31
64-bit phast-2.4.6-8538-x64.msi 23M 710193215df653d89361bb449950111a

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

new bullet Phast4Windows (Windows only) 1.0.8-8538, March 3, 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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