It is a simple to use software utility that allows future climate change projections to be incorporated into the Storm Water Management Model. Stormwater, also spelled storm water, is water that originates from rain, including snow and ice melt.Stormwater can soak into the soil (infiltrate), be stored on the land surface in ponds and puddles, evaporate, or contribute to surface runoff.Most runoff is conveyed directly to nearby streams, rivers, or other water bodies (surface water) without treatment. SWMM 5 has been extended to model the hydrologic performance of specific types of low impact development (LID) controls. The Storm Water Management Model Climate Adjustment Tool (SWMM-CAT) is a new addition to SWMM (December 2014).
It tracks the flow rate, flow depth, and quality of water in each pipe and channel during a simulation period made up of multiple time steps. SWMM tracks the quantity and quality of runoff made within each sub-catchment. The routing portion transports this runoff through a system of pipes, channels, storage/treatment devices, pumps, and regulators. The runoff component operates on a collection of sub-catchment areas that receive precipitation and generate runoff and pollutant loads. It is used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas. SWMM is a dynamic hydrology-hydraulic water quality simulation model. There are many applications for drainage systems in non-urban areas as well. If pervious materials are not feasible or desired, the designer should consider a disconnected impervious cover (DIC) design approach, using porous pavement. SWMM is used throughout the world for planning, analysis, and design related to stormwater runoff, combined and sanitary sewers, and other drainage systems in urban areas. This webinar will introduce the Storm Water Management Model (SWMM). This webinar, titled “EPA’s Storm Water Management Model (SWMM)”, is scheduled for Tuesday February 20th at 12pm Eastern. stormwater management ordinances that incorporate best practices.
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