Concentration 
StormNET® is the most advanced, powerful, and comprehensive stormwater and wastewater modeling software available for analyzing and designing urban drainage systems, stormwater sewers, and sanitary sewers. StormNET is the only model that combines complex hydrology, hydraulics, and water quality in a completely graphical, easy-to-use interface.
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Compare StormNET to other hydrology software to see how it "stacks up." We are confident that you will find StormNET easier-to-use, yet provides more advanced capabilities for modeling stormwater and wastewater collection systems.
Ability to use background layers
Zoom and pan
Network overview
Coordinate scaling
Support for different element sizes and line widths
Support for copy/paste operations from the clipboard
Search for specific nodes and links
Data-entry error checking
Multiple database queries
Variable time steps
Real-time controls
Calibration functionality
Dynamic display functionality
Error detection and consistency checks
Simulation progress bar
Support to evaluate loop systems
Ability to compare multiple scenario results
Irregular pipe sections and transects
Transverse weir simulations
Side flow weir simulations
V-notch weir simulations
Leaping weir simulations
Trapezoidal weir simulations
Simulations for other weirs
Constant and variable speed pump simulations
Orifice simulations
Gate simulations
Storage facility storage/drainage simulations
Variable size storage facilities
Flow routing equations
Steady state routing
Kinematic wave routing
Dynamic wave routing
Support for individual or global hydraulic parameters
Surcharge simulations
Backwater effect models
Flow reversal models
Pressurized flow models
Capability to account for minor losses
Complex bypass and outfall analysis
Adverse pipe models
Ability to evaluate changes in flow conditions
Ability to evaluate conditions with manholes, junctions, pumps, orifices, etc.
Adverse pipe models
Ability to evaluate siphons, low flow-diversions, reverse flows, pressure flow, and outfalls
USEPA SWMM 5.0 (imports XPSWMM™ v10.52 and EPA SWMM v4.4 and earlier)
NRCS (SCS) TR-55
NRCS (SCS) TR-55
Rational Method
Modified Rational Method
DeKalb Rational Method
Santa Barbara Unit Hydrograph
Delmarva Unit Hydrograph
Long-Term Continuous Simulation
Maricopa & Pima Counties (Arizona) Papadakis-Kazan methodology
Harris County (Texas) Method
LA County MODRAT2 and F0601 (in development)
CUHP Colorado Urban Hydrograph Procedure (in development)
WWHM Western Washington Hydrology Model (in development)
HEC-1 (in development)
HEC-HMS (in development)
Time-varying rainfall
Multiple diurnal flow patterns for sanitary flows
Snow accumulation and melting
Flow reversal models
Evaporation of standing surface water
Rainfall interception from depression storage
Infiltration of rainfall into unsaturated soil layers
Percolation of infiltrated water into groundwater layers
Interflow between groundwater and the drainage system
Nonlinear reservoir routing of overland flow
Wind speed and temperature accounting
Antecedent moisture condition accounting
Watershed subbasins
Inlets and catch basins
Detention ponds
Complex outlet structures
Standpipes, weirs, and orifices
Stormwater and wastewater sewers
Pumps and lift stations
Manholes and junctions
Rivers, streams, and ditches
Culverts and bridges
Importing, Exporting, and Reporting
Import AutoCAD 2000-2008 DWG and DXF files
Import/Export stormwater network data to/from AutoCAD Land Desktop via LandXML
Import/Export stormwater network data to/from AutoCAD Civil 3D via LandXML
Import/Export stormwater network data to/from Bentley MicroStation via LandXML
Import georeferenced TIFF and Mr.SID aerial orthophotos
Import/Export/Query/Report any combination of input and output data
Import/Export to/from ArcGIS
Import/Export to/from SWMM5 projects
Import/Export to/from XPSWMM™ v10.52 and earlier
Import EPA SWMM v4.4 and earlier
Import free format database information
Display time series graphs
Display dynamic HGL profiles
Change to "Display dynamic HGL & EGL profiles
Add "Display flooding on horizontal plan view"
Color-code map results
Copy/Paste with Microsoft Office
Export plan-profile sheets to AutoCAD and MicroStation
Produce customizable reports
Account for rain gardens, green roofs, rain barrels
Model bioswales, dry detention ponds, wet ponds, retention ponds, wetlands
Account for particulate settling, total suspended solids (TSS)
Model water cleanup, best management practices (BMP)
Determine TMDL (Total Maximum Daily Loads)
Approved by the US Environmental Protection Agency (EPA)
Approved by the US Federal Emergency Management Authority (FEMA)
