StormNET® is the leading software for analyzing and designing urban drainage systems, stormwater sewers, and sanitary sewers. It includes a range of features and capabilities that make it faster, simpler to use, and more accurate. StormNET is used by over 3,000 companies worldwide such as URS, Jacobs, Tetra Tech, HNTB, ARCADIS, and Stantec.
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Water Quality Modeling
StormNET provides you with all the tools necessary to perform your urban stormwater water quality modeling.
- Account for rain gardens, green roofs, rain barrels, bioswales, dry detention ponds, wet ponds, retention ponds, wetlands, and more
- Model particulate settling, water cleanup, water quality best management practices (BMP), and TMDL (Total Maximum Daily Loads)
- StormNET is approved by the US Environmental Protection Agency (EPA) and US Federal Emergency Management Authority (FEMA)
NPDES
As part of the NPDES (National Pollutant Discharge Elimination System) permitting process, modeling of stormwater quality and quantity may be required. StormNET can model all aspects of stormwater quality and quantity, and can incorporate best management practices (BMP) directly within the model.
The following processes can be modeled for any number of user-defined water quality constituents:
- Dry-weather pollutant buildup over different land uses
- Pollutant washoff from specific land uses during storm events
- Direct contribution of rainfall deposition
- Reduction in dry-weather buildup due to street cleaning
- Reduction in washoff load due to BMPs
- Entry of dry weather sanitary flows and user-specified external inflows at any point in the drainage system
- Routing of water quality constituents through the drainage system
- Reduction in constituent concentration through treatment in storage units or by natural processes in pipes and channels.
