Head-to-head · Groundwater Modeling Software
SUTRA vs MODFLOW-USG
SUTRA leads on 0 checks, MODFLOW-USG on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSUTRA · 8.2/10
- Free planboth
- Most featuresSUTRA · 3 of 3
SUTRA scores higher on our rubric for groundwater modeling software: 8.2 against 7.8 out of 10; our editors rank them #4 and #6.
On flow modeling method, SUTRA gives you Finite-element where MODFLOW-USG offers Finite-difference.
SUTRA is the better fit for finite-element, density-dependent, or thermal models. MODFLOW-USG is the better fit for unstructured grids and complex well or conduit systems.
- SUTRA fits best
Finite-element, density-dependent, or thermal models
- MODFLOW-USG fits best
Unstructured grids and complex well or conduit systems
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Side by side
| Feature | SUTRA 8.2/10 Visit ↗ | MODFLOW-USG 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.2 | 7.8 |
| Ranking | #4 in Groundwater Modeling Software | #6 in Groundwater Modeling Software |
| Best for | Finite-element, density-dependent, or thermal models | Unstructured grids and complex well or conduit systems |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Self-hosted |
| Support | Docs, Email | |
| Built for | Small business, Mid-market, Enterprise | Mid-market, Enterprise |
| Features SUTRA 3/3 · MODFLOW-USG 0/3 | ||
| Transport modeling | ✓ (best) | Not checked yet |
| Surface-water coupling | ✓ (best) | Not checked yet |
| GIS data exchange | ✓ (best) | Not checked yet |
| Specs | ||
| Flow modeling method | Finite-element | Finite-difference |
| Model dimensions | Both | Not checked yet |
| Supported platforms | Windows | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | SUTRA is a USGS groundwater simulator for saturated and unsaturated flow with constant or variable density. It supports single-species reactive solute transport and thermal-energy transport in two-dimensional and fully three-dimensional… Read the review → |
MODFLOW-USG is a USGS groundwater-flow model for teams working with structured or unstructured grids, nested layouts, multiple cell shapes, and complex subsurface connections. Its control-volume finite-difference formulation allows each… Read the review → |
Strengths and trade-offs
SUTRA — where it wins
- Models saturated and unsaturated flow in 2D or fully 3D domains
- Handles variable density, reactive solute, and thermal-energy transport
- Flexible finite-element grids with lake and freeze-thaw capabilities
Where it doesn't
- Listed platform support is limited to Windows
- Reactive solute transport covers a single species
- Desktop deployment may not suit cloud-based team workflows
MODFLOW-USG — where it wins
- Handles structured, unstructured, nested, and multi-shape grids
- Models arbitrary cell connectivity with Ghost Node Correction
- Represents multi-node wells, karst conduits, tile drains, and networks
Where it doesn't
- Self-hosted deployment requires local installation and management
- Support is provided through email rather than broader channels
- Flow-focused scope suits fewer transport and surface-water workflows
- SUTRA8.2/10 · Free plan
A free USGS simulator for advanced flow, transport, thermal, and lake modeling.
Visit USGS SUTRAFull verdict → - MODFLOW-USG7.8/10 · Free plan
A free, self-hosted MODFLOW variant for irregular grids and specialized groundwater systems.
Visit USGSFull verdict →
SUTRA vs MODFLOW-USG: questions
Which is better for groundwater modeling software, SUTRA or MODFLOW-USG?
SUTRA scores higher on our rubric for groundwater modeling software: 8.2 against 7.8 out of 10; our editors rank them #4 and #6.
How do SUTRA and MODFLOW-USG compare?
All 4 checks we put side by side come out level: neither leads on any.
Do SUTRA and MODFLOW-USG have a free plan?
SUTRA: Yes. MODFLOW-USG: Yes.
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All groundwater modeling software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
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