Autodesk XPSWMM is a Windows-based hydrologic and hydraulic modeling application that simulates stormwater, wastewater, combined sewer, and flood behavior and supports integrated 1D/2D workflows for planning, design, and regulatory documentation.
Published Oct 15, 2026
—
Below is an oriented comparison for municipal and consulting use (storm + sewer + flood modeling). Pricing is indicative and varies by region, reseller, and licensing terms.
| Aspect | Autodesk XPSWMM | Autodesk InfoWorks ICM | PCSWMM |
|---|---|---|---|
| Starting Price | Published annual pricing referenced in vendor materials for sewer edition | Often higher; varies by edition/channel | Lower published annual pricing referenced in vendor documentation for 1D edition |
| Typical suitability | Existing XPSWMM users; small-to-mid projects; established XP workflows | Large, complex, multi-catchment models; advanced collaboration and scenario management | Cost-sensitive teams seeking SWMM5 workflow with UI improvements |
| Key strength | Integrated 1D/2D in Complete tier; established presence in the industry; integration with Autodesk ecosystem | Flexible mesh, scalability, collaboration features; positioned by Autodesk for larger deployments | Lower cost; alignment with the SWMM5 engine; GIS-oriented workflows (varies by setup) |
| Key weakness | Lifecycle uncertainty; reported performance/stability issues in some contexts; fixed grid approach | Cost; complexity and learning curve; proprietary model format considerations | May not be accepted in all regulatory workflows; potential differences in results/export compared with EPA SWMM |