Best Groundwater Modeling Software in 2026
MODFLOW 6 leads this chart of 11 (6.2/10, free plan). FREEWAT is next (6.0/10, free plan), and MT3D-USGS is the next highest-placed with a free plan (6.0/10). Groundwater modeling software is used to represent groundwater flow, solute transport and related surface-water behavior. The list lines up flow methods, transport capability, model dimensions, GIS exchange and surface-water connections. These tools run on Windows, Linux or macOS. No Android app is listed in the supplied facts, so check desktop requirements before choosing a tool for a Xiaomi, Redmi or POCO device.
- 4
MOC3D
Free planLinuxWindows5.9Free plan - 5
ModelMuse
Free planWindows5.8Free plan - 6
SUTRA
Free planWindows5.8Free plan - 7
MODFLOW-USG
Free plan5.7Free plan - 8
PFLOTRAN
Free planLinuxSelf-hosted5.7Free plan - 9
MODPATH
Free plan5.5Free plan - 10
MT3DMS
LinuxWindows5.1 - 114.5
Choosing well
Check the licence and price
FREEWAT, MOC3D, ModelMuse, MODFLOW 6, MODFLOW-USG, MODPATH, MT3DMS, MT3D-USGS and SUTRA are listed with free-plan access.
PFLOTRAN is marked as open source. Watershed Modeling System lists a free plan and paid access from $3,990.
Compare flow and transport coverage
Look at each flow-modeling method and see whether it fits the approach your project requires. Transport modeling is a separate comparison field, so check whether the software covers solute transport.
MOC3D, MT3DMS and MT3D-USGS are marked for transport, while MODFLOW 6 and MODFLOW-USG are marked as groundwater-flow models.
Review dimensions and water links
Model dimensions matter when you set up a groundwater model. SUTRA is described as a 2D or 3D model for saturated or unsaturated, variable-density groundwater flow and solute transport.
If your project links groundwater to surface water, review the surface-water coupling field.
Confirm GIS and desktop support
GIS data exchange can affect how you move spatial information into or out of a model. Compare that field before choosing a workflow.
The platform information lists Windows, Linux and macOS. PFLOTRAN is shown for Linux; consult each tool entry for any other platform details.
Questions people ask
Does this list include groundwater modeling software for Android?
No Android app is listed in the supplied facts. Windows, Linux and macOS are the platforms listed.
Can I find free groundwater modeling software?
Yes. The listed free-plan options include FREEWAT, MOC3D, ModelMuse, MODFLOW 6, MODFLOW-USG, MODPATH, MT3DMS, MT3D-USGS and SUTRA.
Which tools cover solute transport?
Transport modeling is a comparison field. MT3DMS, MT3D-USGS and SUTRA are listed among the solute-transport entries.
Is there open-source groundwater software?
PFLOTRAN is listed with an open-source pricing note and Linux support.
What should I compare before choosing?
Before choosing, compare pricing access, flow and transport methods, surface-water coupling, model dimensions, GIS exchange and supported platforms.