Sept 30, 2025 – Autodesk released Autodesk InfoDrainage 2026.3 Update
The InfoDrainage 2026.3 Update is available via Autodesk Access or via download from the Autodesk subscription site.
The install requires access to the original install resources.
The listed official release date is Sept 28, 2025.
Autodesk InfoDrainage 2026.3 Update
InfoDrainage is an automated stormwater design software program that provides comprehensive assessment of stormwater designs.
InfoDrainage 2026.3 Update adds Composite Curve Number weighted average calculations to report outputs, providing clearer insight into catchment runoff characteristics.
Civil 3D integration has also been enhanced, with improved import and export workflows that allow custom parts to be mapped directly to their corresponding InfoDrainage components for smoother design coordination.
Visit the Release Notes page.