
SWMM provides an integrated environment for editing study area input data, running hydrologic, hydraulic and water quality simulations, and viewing the results in a variety of formats. SWMM is used for single event or long-term simulations of water runoff quantity and quality in primarily urban areas-although there are also many applications that can be used for drainage systems in non-urban areas. Quality Assurance Report for Dynamic Wave Flow Routing (ZIP) (3 MB)
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Open Source SWMM: Community-Based Software Development for Stormwater Management Modeling
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SWMM Reference Manual Volume III-Water Quality (Includes the LID Module references) SWMM Reference Manual Volume II-Hydraulics
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SWMM Reference Manuals Errata (Volumes I and II) SWMM Modeling Methods for Simulating Green Infrastructure at a Suburban Headwatershed: User's Guide Source code for the SWMM 5.1.014 Graphical User Interface (ZIP) (zip) Source Code for the SWMM 5.1.014 Computational Engine (ZIP) (zip) Source code for the SWMM 5.1.015 Graphical User Interface (ZIP) (zip) Source Code for the SWMM 5.1.015 Computational Engine (ZIP) (zip) SWMM 5.1.015 Updates and Bug Fixes (TXT) (txt) Utility for converting SWMM 4 data files to SWMM 5 files (EXE) Version 1.2 (exe) Self-Extracting Installation Program for SWMM 5.1.014 (exe) Self-Extracting Installation Program for SWMM 5.1.015 (exe) SWMM 5 was produced in a joint development effort with CDM, Inc., a global consulting, engineering, construction, and operations firm. It is open source public software and is free for use worldwide. SWMM was developed to help support local, state, and national stormwater management objectives to reduce runoff through infiltration and retention, and help to reduce discharges that cause impairment of waterbodies. It can be used to evaluate gray infrastructure stormwater control strategies, such as pipes and storm drains, and is a useful tool for creating cost-effective green/gray hybrid stormwater control solutions. EPA and its employees do not endorse commercial products, services, or enterprises.ĮPA's Storm Water Management Model (SWMM) is used throughout the world for planning, analysis, and design related to stormwater runoff, combined and sanitary sewers, and other drainage systems. Disclaimer: Any mention of trade names, manufacturers, or products does not imply an endorsement by EPA.
