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Image by Samuel Scrimshaw


PCSWMM assimilates a powerful GIS engine that works seamlessly with the latest GIS data formats, and provides intelligent tools for streamlining model development, optimization and analysis in a comprehensive range of applications.

  • PCSWMM supports the leading open standard and proprietary GIS and CAD formats, including ArcGIS, Geomedia SQL, MapInfo, Micro station, AutoCAD, GML, OpenGIS SQL, KML and many other formats, giving higher flexibility.

  • Windows 7 interface (also compatible with Windows Vista, XP, and 2000 operating system)

  • Multi-threaded application with support for multiple cores (dual-core, quad-core and greater) for significant speed improvements

  • Written from the ground up in C# for .NET, utilizing many new technologies (e.g. Google Earthtm, web documentation, etc.)

  • SWMM model natively stored in your choice of open GIS format (e.g. Shape file, Personal Geodatabase, OpenGIS SQL, GML, etc.) *

  • Hydrology / Hydraulics engine is public domain (official US EPA SWMM5)- well written and well documented object-oriented C+ code

  • Comprehensive support for GIS layer types (over 30 formats)

  • Flexible importing from Microsoft Exceltm, CSV and virtually all database formats, incl. Accesstm, SQL Servertm, Oracletm, MySQLtm, XML, OLE DB and ODBC sources, plus direct importing from 17 common GIS/CAD vector formats

  • Conversion of existing older SWMM models to SWMM5 format

  • Model merging (combining smaller models to form a larger ‘macro’ model)

Core Features

  • Automatically create model connectivity (i.e. assign inlet and outlet nodes for links) for imported entities based on node proximity and relative node invert elevations

  • Table sorting by attribute, synchronizing map extent with table selection, etc.

  • Multi-entity attribute editing, incl. mathematical operations (add, subtract, multiply, divide, apportion, etc.)

  • Free and immediate email and direct telephone technical support with our staff of knowledgeable professional engineers

  • Extensive, searchable documentation with comprehensive reference tables for parameter values.

  • Searchable PCSWMM Frequently Asked Questions database

  • Comprehensive searchable US EPA SWMM5 knowledge base (3400+ topics and growing)

  • Free SWMM-USERS list server (800+ participants around the world)

  • Web-based and classroom workshops available at different locations. Library of peer-reviewed case studies available through publications.

  • Cost-effective and timely model review services available

  • Professional consulting engineering services available.

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