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GeoSTORM

4.7(43 reviews)

GeoSTORM is a Civil 3D-integrated stormwater modeling software that streamlines catchment area delineation, runoff calculations, and flow routing. It supports multiple hydrology methods, such as EPA SWMM, SCS TR-55/TR-20, Rational, Modified Rational, and DeKalb Rational, enabling flexible hydrologic analysis. Capabilities include interactive detention/retention pond design and roadway catch basin optimization using major U.S. and Canadian foundry catalogs, which helps engineers move from concept to deliverable efficiently. Additional features include cloud-based mapping, 2D/3D model visualization, and in-depth automated report generation. GeoSTORM is engineered for both urban and rural stormwater drainage systems, supports scenario comparisons, and accelerates design review and iteration, making stormwater workflows faster and easier to maintain.

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G2 Rating

4.7/ 5.0
43 reviews

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AI Analysis by G2· May 2026

GeoSTORM is a software tool designed to model storage areas such as bioretention and stormwater chambers, and to complete projects of varying sizes.

Pros

  • Users frequently mention the software's user-friendly nature, its ability to efficiently complete projects of varying sizes, and its feature that allows for the design of storm sewer in profile view.

Cons

  • Users mentioned some unintuitive points in the modeling, a limited amount of peaking factors to choose from, and difficulties in georeferencing a CAD drawing that was not created in Civil 3D.

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