InfoSWMM Designer

From MWH Soft press release:

MWH Soft announced the worldwide release of InfoSWMM Designer for ArcGIS. As a full-featured urban drainage network analysis and design program, InfoSWMM delivers the highest rate of return in the industry. All operations of a typical sewer system – from analysis and design to management functions like water quality assessment, pollution prediction, urban flooding, real-time control and record keeping – are addressed in a single, fully integrated geoengineering environment. The program gives users unprecedented strength in managing urban runoff and wet weather water quality problems in combined, sanitary and storm sewers, optimizing BMP and LID designs, and meeting SSO and CSO regulations.

For more information see MWH Soft web site.