Observed arrival · 2026-09-14

StormDesigner Keeps Stormwater Design Beside Civil 3D

stormdesigner.net Observed source

Editorial interest 78/100 Selection signal · not a rating of the site

A stormwater design companion that syncs Civil 3D drawings, soils, rainfall data, drainage calculations, pipes, ditches, and reports into one .sdp project file.

Landing page captured for the 2026-09-14 issue.

Field notes

StormDesigner uses Civil 3D polylines as the starting material, assigning objects to C-HYDR layers before syncing them into a project file. The .sdp stores drawings, drainage areas, soils, rainfall inputs, ditches, pipes, and the calculation report, while Sync All can read from disk when CAD is closed. The stated data sources include USDA Soil Data Access and NOAA 14 IDF/DDF rainfall. Its report workflow produces a vector PDF whose page order and cover fields are configured inside the application.

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●ProPolished or operationally mature

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