PHAST 6.51 can be downloaded from our software library for free. This PC program works fine with 32-bit versions of Windows XP/7/8/10. Login.exe, Phast.exe, Phast6A.exe, phasthdf.exe and PhastOnshore.exe are the most frequent filenames for this program's installer.
Our antivirus analysis shows that this download is malware free. The software lies within Education Tools, more precisely Science Tools. This free software is a product of U.S. Geological Survey. The latest setup package occupies 21.3 MB on disk. The most popular versions among PHAST users are 6.5, 3.0 and 2.4.
From the developer:
PHAST is a versatile groundwater flow and solute-transport simulator with capabilities to model a wide range of equilibrium and kinetic geochemical reactions.
You may want to check out more software, such as GoPhast or WPhast, which might be similar to PHAST.