PCSWMM Features

Native support for 50+ GIS/CAD layer formats

Create, open, edit and export the most popular GIS vector, raster and grid formats. Import, copy and paste entities between layers. Render and query any layer based on inputs, results or user-defined parameters.

Supports virtually all projection/coordinate systems

Create accurate models anywhere in the world with over 4,500 predefined coordinate systems, on the fly reprojecting, layer rectification and coordinate system conversion tools.

Full suite of topological tools

Benefit from GIS tools optimized for your water management modeling needs including area-weighting, buffering, clipping, Theissen-polygon generation, auto-connectivity, spatial auditing and many more.

Terrain grid (DEM) support

Estimate surface slopes, extract DEM elevations, delineate watersheds, sample transects, edit features, burn streams, and even create your own digital elevation models.

Automated watershed delineation

Use high-resolution DEMs to quickly discretize and parameterize models; create detailed catchment networks with hydraulic routing incorporated.

Bing Maps, OpenStreetMaps and WMS map services

Instantly georeference your model with free background tile map services from Microsoft and OSM and support for Web Map Services.

Graph and analyze millions of datapoints efficiently

Comprehensive support for virtually any time series, optimized for the efficient loading, visualizing and analysis of very large data sets.

Store and manage time series in a wide variety of database and file formats

Manage time series in the format of your choice, including binary and ASCII formats, SQL, MDB, Excel, NEXRAD, Environment Canada Radar, GRIB2, OSIsoft PI, NUMERICA, NWS and many more formats natively supported.

Full editing capabilities for correcting, converting or deriving time series

Edit, interpolate, copy, crop, extract, convert any time series, and much more. Derive time series using user-defined expressions and disaggregate rainfall to create high resolution long-term time series.

Automated auditing tools to flag suspect and incorrect data

Audit observed data with sensor performance, range, variation speed, redundancy and missing data checks. Visually flag and report suspect and incorrect data for correction and avoidance during calibration/validation event selection.

Calculate objective function statistics and error functions

Calculate the max., min., mean, and total, as well as the volume, duration and number of exceedances and deficits on any time series. Assess errors using any of eight common error metrics.

Event analysis: statistics and return periods

Automate event identification and event statistical analysis, including frequency and return period calculations, annual and seasonal analysis and more.

Scatter, calibration, duration-exceedance and hydro-modification plots

Compare multiple time series with trend lines, plot duration exceedance curves on any type of time series, and complete hydro-modification analysis with pass-fail analysis.

Automated time pattern recognition and creation

Analyze dry weather wastewater flow for hourly, daily and monthly time patterns and allocate DWF throughout the system.

Intensity-duration-frequency analysis

Perform IDF, annual peak value and annual duration or partial-duration event analyses on any time series.

Integrate time series with mapping

Link time series with geo-spatial entities for spatial querying and topographical analysis.

Full support for open source EPA SWMM5 & EPANET2

On the fly switching between any official EPA SWMM5 engine released in the last 10+ years, as well as the community-sourced OpenSWMM engine and the official EPANET2 engine.

Green Infrastructure (LIDs/SUDs)

Physically-based modeling of bioretention cells, vegetative swales, green roofs, rain barrels, infiltration trenches, rain gardens, permeable pavement, and other low impact development configurations.

Hydrologic modeling

Single event or continuous modeling of surface rainfall, snowmelt, interception, evapotranspiration, infiltration, detention storage, groundwater and surface runoff.

Hydraulic modeling

Steady state, kinematic and fully dynamic modeling of natural rivers, culverts, bridges, storm, sanitary and combined sewers, pumps, weirs, orifices, real-time controls, etc, as well as water distribution modeling of tanks, reservoirs, pipes, pumps and valves.

Water quality modeling

Non-point and point source pollutant generation, wash-off, conveyance and treatment for both urban and rural areas, including groundwater.

Unlimited technical support with professional engineers

Get expert help on PCSWMM: all of our technical support staff are friendly and knowledgeable professional engineers who use the software every day. Support is unlimited and free.

World-wide training opportunities

Attend any of 50 annual live workshops on advanced stormwater, wastewater and watershed modeling around the world, or go at your own pace with over 1000 pages worth of continually updated online training material included free with your subscription.

Annual International Conference on Water Management Modeling

Improve your modeling knowledge, meet colleagues and make new connections at the annual SWMM users conference: ICWMM.org

Journal of Water Management Modeling

Learn modeling best practices and share your innovations and insights through the peer-reviewed, open-access Journal of Water Management Modeling (JWMM).

Open SWMM community

Ask questions, get answers and help mold the future of Open SWMM through OpenSWMM.org, the longest-running technical forum with 12,000 posts and counting.

Visual SWMM5 source code explorer

Explore the well-annotated SWMM5 open-source code in an engineer-friendly way. Read comments, gain insights, suggest improvements, and learn your way around the engine!

Project management

Efficiently manage your projects with the tile-based project manager, scenario creation, project archiving and multiple comparison tools. Comprehensive documentation management, and easy note-taking provide a complete chronological record of model development.

Importing, auditing and missing data correction

Import from over 50 common GIS data formats and validate attributes using advanced auditing tools and distribution plots. Correct and fill-in missing data with a variety of tools including vertical alignment, network analysis, automatic network connection, interpolation of missing data, and clean polygons.

Streamlined model creation tools

Easily import from HEC-RAS, open existing SWMM5 & EPANET2 models, create dual-drainage (major/minor) systems, delineate watersheds, create conveyance networks, parameterize from soils, land use and other mapping data, and much more.

Automated sensitivity, calibration and error analysis

Validate your model by quantifying error in any output, and efficiently calibrate with sensitivity-based automated tuning tools.

Radar-rainfall acquisition & processing

Download, process, manage, calibrate, analyze and utilize radar-rainfall for dynamic storm simulations (ask about PCSWMM RealTime for flood forecasting).

Output visualization and reporting

Dynamic rendering for maps, profiles, and graphs, 1D and 2D video creation, automated reporting and exporting, statistical analysis and high-resolution plotting and PDF printing capabilities.

Solve both 1D and 2D domains with the SWMM engine

Utilize the SWMM5 dynamic wave equations for easy 1D-2D modeling where gravity, slope and friction are the dominant terms.

Applicable to urban and rural flood modeling

River-based flooding, urban flood modeling, major/minor (dual drainage) analysis and overland routing of rainfall.

Flexible mesh creation

Automated unstructured or structured mesh creation with obstructions, edge definition, break lines, non-point boundary conditions and more.

Seamless integration of 1D entities

Easy integration of catch basins, pumps, orifices, weirs, outlets, culverts and bridges throughout the 2D mesh.

Output analysis and visualization

Generate risk maps, iso-lines, velocity vectors, plan and profile animations, record videos and visualize in 3D with Google Earth integration.

PCSWMM Features (https://www.pcswmm.com/Features)
	Professional	Professional 2D	Enterprise

GIS for water management engineers

Native support for 50+ GIS/CAD layer formats
Create, open, edit and export the most popular GIS vector, raster and grid formats. Import, copy and paste entities between layers. Render and query any layer based on inputs, results or user-defined parameters.

Supports virtually all projection/coordinate systems
Create accurate models anywhere in the world with over 4,500 predefined coordinate systems, on the fly reprojecting, layer rectification and coordinate system conversion tools.

Full suite of topological tools
Benefit from GIS tools optimized for your water management modeling needs including area-weighting, buffering, clipping, Theissen-polygon generation, auto-connectivity, spatial auditing and many more.

Terrain grid (DEM) support
Estimate surface slopes, extract DEM elevations, delineate watersheds, sample transects, edit features, burn streams, and even create your own digital elevation models.

Automated watershed delineation
Use high-resolution DEMs to quickly discretize and parameterize models; create detailed catchment networks with hydraulic routing incorporated.

Bing Maps, OpenStreetMaps and WMS map services
Instantly georeference your model with free background tile map services from Microsoft and OSM and support for Web Map Services.


Time series management & analysis

Graph and analyze millions of datapoints efficiently
Comprehensive support for virtually any time series, optimized for the efficient loading, visualizing and analysis of very large data sets.

Store and manage time series in a wide variety of database and file formats
Manage time series in the format of your choice, including binary and ASCII formats, SQL, MDB, Excel, NEXRAD, Environment Canada Radar, GRIB2, OSIsoft PI, NUMERICA, NWS and many more formats natively supported.

Full editing capabilities for correcting, converting or deriving time series
Edit, interpolate, copy, crop, extract, convert any time series, and much more. Derive time series using user-defined expressions and disaggregate rainfall to create high resolution long-term time series.

Automated auditing tools to flag suspect and incorrect data
Audit observed data with sensor performance, range, variation speed, redundancy and missing data checks. Visually flag and report suspect and incorrect data for correction and avoidance during calibration/validation event selection.

Calculate objective function statistics and error functions
Calculate the max., min., mean, and total, as well as the volume, duration and number of exceedances and deficits on any time series. Assess errors using any of eight common error metrics.

Event analysis: statistics and return periods
Automate event identification and event statistical analysis, including frequency and return period calculations, annual and seasonal analysis and more.

Scatter, calibration, duration-exceedance and hydro-modification plots
Compare multiple time series with trend lines, plot duration exceedance curves on any type of time series, and complete hydro-modification analysis with pass-fail analysis.

Automated time pattern recognition and creation
Analyze dry weather wastewater flow for hourly, daily and monthly time patterns and allocate DWF throughout the system.

Intensity-duration-frequency analysis
Perform IDF, annual peak value and annual duration or partial-duration event analyses on any time series.

Integrate time series with mapping
Link time series with geo-spatial entities for spatial querying and topographical analysis.


Hydrologic & hydraulic modeling

Full support for open source EPA SWMM5 & EPANET2
On the fly switching between any official EPA SWMM5 engine released in the last 10+ years, as well as the community-sourced OpenSWMM engine and the official EPANET2 engine.

Green Infrastructure (LIDs/SUDs)
Physically-based modeling of bioretention cells, vegetative swales, green roofs, rain barrels, infiltration trenches, rain gardens, permeable pavement, and other low impact development configurations.

Hydrologic modeling
Single event or continuous modeling of surface rainfall, snowmelt, interception, evapotranspiration, infiltration, detention storage, groundwater and surface runoff.

Hydraulic modeling
Steady state, kinematic and fully dynamic modeling of natural rivers, culverts, bridges, storm, sanitary and combined sewers, pumps, weirs, orifices, real-time controls, etc, as well as water distribution modeling of tanks, reservoirs, pipes, pumps and valves.

Water quality modeling
Non-point and point source pollutant generation, wash-off, conveyance and treatment for both urban and rural areas, including groundwater.


Industry-leading training and support

Unlimited technical support with professional engineers
Get expert help on PCSWMM: all of our technical support staff are friendly and knowledgeable professional engineers who use the software every day. Support is unlimited and free.

World-wide training opportunities
Attend any of 50 annual live workshops on advanced stormwater, wastewater and watershed modeling around the world, or go at your own pace with over 1000 pages worth of continually updated online training material included free with your subscription.

Annual International Conference on Water Management Modeling
Improve your modeling knowledge, meet colleagues and make new connections at the annual SWMM users conference: ICWMM.org

Journal of Water Management Modeling
Learn modeling best practices and share your innovations and insights through the peer-reviewed, open-access Journal of Water Management Modeling (JWMM).

Open SWMM community
Ask questions, get answers and help mold the future of Open SWMM through OpenSWMM.org, the longest-running technical forum with 12,000 posts and counting.

Visual SWMM5 source code explorer
Explore the well-annotated SWMM5 open-source code in an engineer-friendly way. Read comments, gain insights, suggest improvements, and learn your way around the engine!


Comprehensive set of decision support tools

Project management
Efficiently manage your projects with the tile-based project manager, scenario creation, project archiving and multiple comparison tools. Comprehensive documentation management, and easy note-taking provide a complete chronological record of model development.

Importing, auditing and missing data correction
Import from over 50 common GIS data formats and validate attributes using advanced auditing tools and distribution plots. Correct and fill-in missing data with a variety of tools including vertical alignment, network analysis, automatic network connection, interpolation of missing data, and clean polygons.

Streamlined model creation tools
Easily import from HEC-RAS, open existing SWMM5 & EPANET2 models, create dual-drainage (major/minor) systems, delineate watersheds, create conveyance networks, parameterize from soils, land use and other mapping data, and much more.

Automated sensitivity, calibration and error analysis
Validate your model by quantifying error in any output, and efficiently calibrate with sensitivity-based automated tuning tools.

Radar-rainfall acquisition & processing
Download, process, manage, calibrate, analyze and utilize radar-rainfall for dynamic storm simulations (ask about PCSWMM RealTime for flood forecasting).

Output visualization and reporting
Dynamic rendering for maps, profiles, and graphs, 1D and 2D video creation, automated reporting and exporting, statistical analysis and high-resolution plotting and PDF printing capabilities.


Integrated 1D-2D modeling

Solve both 1D and 2D domains with the SWMM engine
Utilize the SWMM5 dynamic wave equations for easy 1D-2D modeling where gravity, slope and friction are the dominant terms.

Applicable to urban and rural flood modeling
River-based flooding, urban flood modeling, major/minor (dual drainage) analysis and overland routing of rainfall.

Flexible mesh creation
Automated unstructured or structured mesh creation with obstructions, edge definition, break lines, non-point boundary conditions and more.

Seamless integration of 1D entities
Easy integration of catch basins, pumps, orifices, weirs, outlets, culverts and bridges throughout the 2D mesh.

Output analysis and visualization
Generate risk maps, iso-lines, velocity vectors, plan and profile animations, record videos and visualize in 3D with Google Earth integration.