Contact our sales team (sales@aquanty.com) or join the HGS User Community to request a software trial or pricing information.
Documentation
HGS Theory Manual - A review of the hydrologic theory/numerical implementation powering HGS
HGS Reference Manual - A handy reference guide to all grok commands/features/instructions
HGS Verification Manual - A summary of verification problems for testing and learning
HGS Downloads
HydroGeoSphere - Windows 64-bit, Linux 64-bit March 2026 (v2928)
HydroGeoSphere - Windows 64-bit, Linux 64-bit February 2026 (v2918)
HydroGeoSphere - Windows 64-bit, Linux 64-bit January 2026 (v2906)
Important: As of the January 2026 release there are major changes to the HGS installation. Please consult the release notes prior to installing.
HydroGeoSphere - Windows 64-bit, Linux 64-bit December 2025 (v2898)
HydroGeoSphere - Windows 64-bit, Linux 64-bit November 2025 (v2888)
HydroGeoSphere - Windows 64-bit, Linux 64-bit October 2025 (v2878)
HydroGeoSphere - Windows 64-bit, Linux 64-bit September 2025 (v2870)
HydroGeoSphere - Windows 64-bit, Linux 64-bit August 2025 (v2861)
HydroGeoSphere - Windows 64-bit, Linux 64-bit July 2025 (v2853)
HydroGeoSphere - Windows 64-bit, Linux 64-bit June 2025 (v2845)
HydroGeoSphere - Windows 64-bit, Linux 64-bit May 2025 (v2829)
HydroGeoSphere - Windows 64-bit, Linux 64-bit April 2025 (v2817)
Note: All HGS releases more than one year old have been archived. Please contact support (support@aquanty.com) if you require access to an older release.