GeoSWMM is an ArcGIS Pro-integrated 2D stormwater modeling tool designed to make flood management and water quality analysis easier and faster. It streamlines the entire workflow — from building models and preparing data to running simulations and analyzing results.

Build stormwater models directly from GIS data, automatically calculate key properties, and speed up model setup with powerful tools like watershed delineation, land use estimation, and inlet-outlet mapping.

GeoSWMM also includes advanced quality control features to identify and fix model issues, while offering intuitive editing, version control, and scenario management.

Simulate urban flooding accurately, create detailed flood maps, track network performance, and generate time series and statistical reports — all within ArcGIS Pro.

Get smarter insights for better environmental decisions and improve flood resilience with GeoSWMM.

Try it free for 30 days and experience a faster, smarter way to model stormwater systems.