MT3DMS
MT3DMS: A free transport model for MODFLOW workflows, not a standalone groundwater flow simulator. Ranked #9 of 11 in Groundwater Modeling Software by our editors (7.3/10); pricing: Free plan; best for advanced solute-transport modeling with MODFLOW.
At a glance
- Editor score7.3 / 10
- PricingFree plan
- Best forAdvanced solute-transport modeling with MODFLOW
- Free planYes
- Paid fromFree
- Flow modeling methodFinite-difference
- Facts checked24 Sep 2026
Where it wins
- Models 3D multispecies transport, including advection, dispersion and reactions
- Offers finite-difference, TVD and particle-tracking-based solution methods
- Includes options for nonequilibrium sorption and dual-domain transport
Where it doesn't
- Requires MODFLOW flow solutions and provides no flow simulator
- Self-hosted deployment requires managing the software environment
- Add-on biological and geochemical reactions depend on separate packages
Our verdict on MT3DMS
MT3DMS models three-dimensional multispecies solute transport in saturated groundwater systems. It is intended for groundwater modelers examining contaminant movement in research or applied field settings, particularly when chemical reactions and transport behavior are central to the work. The software simulates advection, dispersion and chemical reactions, but it relies on flow solutions from MODFLOW rather than calculating groundwater flow itself. That makes it a focused transport component for an existing MODFLOW workflow, not a complete modeling system on its own.
Its transport methods are a key reason to consider it. MT3DMS supports finite-difference techniques, a third-order total-variation-diminishing advection scheme, and particle-tracking-based Eulerian-Lagrangian methods. It also provides options for nonequilibrium sorption and dual-domain advection-diffusion mass transport. These choices give modelers different ways to represent transport processes; add-on biological and geochemical reaction packages extend the reaction capabilities. The scope is therefore strongest for users who need transport-method flexibility and can select and configure an approach appropriate to their model.
MT3DMS is free and self-hosted, with Windows and Linux listed as supported platforms; the category specifications also identify UNIX. The main trade-off is ecosystem dependence: users need MODFLOW flow solutions and must handle deployment themselves. Teams looking for a single package that performs both flow and transport modeling should consider a different tool. MT3DMS is a better fit for modelers who already work with MODFLOW and want a dedicated, free option for advanced solute-transport analysis.
Questions about MT3DMS
What does MT3DMS run on? Windows and Linux. It runs self-hosted.
What does MT3DMS integrate with? 1 integration: MODFLOW.
Who is MT3DMS built for? Small businesses, mid-market companies and enterprises (our editorial estimate).
Your product? Our editors can test MT3DMS in depth and publish a review, labelled as paid · from $149/mo →
MT3DMS pricing
MT3DMS fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Flow modeling method | Finite-difference |
| Transport modeling | Yes |
| Surface-water coupling | Not verified |
| Model dimensions | 3d |
| GIS data exchange | Not verified |
| Supported platforms | Windows; UNIX |
| Deployment | Self-hosted |
| Platforms | Windows, Linux |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 1 integrations: MODFLOW |
| Pricing | Free plan |
| Website | hydro.geo.ua.edu |
| Facts checked | 24 Sep 2026 |
MT3DMS integrations
MT3DMS lists 1 integrations on its own site.
- MODFLOW
Alternatives to MT3DMS
- MODFLOW 6A free, open-source model for 3D groundwater flow, transport, and coupled simulations.9.3
- FREEWATA free, GIS-centered modeling environment spanning groundwater simulation, analysis and planning.8.7
- ModelMuseFree Windows GUI for preparing groundwater model inputs, not a simulator itself.8.4
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Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
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