Purpose: | Simulate hydrology, hydraulics and water quality in urban areas |
Developer: | US Environmental Protection Agency (US EPA) |
Key Features: | Hydrodynamic modeling; open source; import dxf file |
Latest Release: | 2015, Version 5.1.010 |
OS Platform: | Windows |
Cost: | Free |
Related Software: | XPSWMM, PCSWMM, MIKE Urban |
Website: | SWMM Homepage |
The SWMM, developed in 1971, is a dynamic transport model that simulates runoff quantity and quality primarily from urban areas and combined sewer overflow. The SWMM categorizes drainage systems into four major components: atmospheric, land surface, groundwater and transport, though not all components are required for modeling. Through the land surface component, the SWMM models infiltration and runoff from the subcatchment. Subcatchment modeling uses a series of non-linear reservoirs. Transport modeling applies a variation of the dynamic wave equation. The SWMM has been used for flood control drainage systems and detention facilities, floodplain mapping, minimizing combined sewer overflow, floodplain mapping, and non-point source pollution modeling.
Key features of the SWMM includes the ability to model complex storm drain systems with backwater effects. The model imports storm drain data via a DXF file. The SWMM was developed by the United States Environmental Protection Agency and Camp Dresser and Mckee, and is supported only on the Microsoft Windows operating system.
Advantages | Limitations |
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Illustrative Screens |
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Africa | East Asia and the Pacific | Europe & Central Asia | Latin America & the Caribbean | Middle East and North Africa | South Asia |
Vietnam (Improved Drainage) | India (Climate Change) |
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