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The EPA Storm Water Management Model (SWMM) is a widely used program for simulating urban runoff quantity and quality. Its existing documentation includes a User’s Manual that describes how to run the program and a Reference Manual that covers its theory and algorithms. A new manual, the ‘‘SWMM Applications Manual’’, has been added to this collection. It contains nine worked-out examples addressing common stormwater management and design problems encountered in practice. The manual will be especially useful for new SWMM users who need additional guidance in applying this powerful tool to urban drainage design and analysis.