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WMS is a comprehensive environment for hydrologic analysis. The software was originally developed by the Environmental Modelling Research Laboratory of Brigham Young University in cooperation with the U.S. Army Corps of Engineers Waterways Experiment Station and is currently being developed by Aquaveo LLC. Makes floodplain modelling seem easy.

Download trial version and tutorials

WMS offers state of the art tools to perform automated basin delineation and to compute important basin parameters such as area, slope and runoff distances. It also serves as a graphical user interface for several hydraulic and hydrologic models. With its management of coordinate systems, WMS is capable of displaying and overlaying data in real world coordinates. The program also provides many display tools for viewing terrain surfaces and exporting images for reports and presentations.

All of the former models (HEC-1, TR-55, TR-20, Rational, NFF, HMS, OC Hydrology, MODRAT) are still supported with version 8.1, with the additions of a complete SWMM interface and a much improved and fully functional interface to a spatially distributed model, GSSHA (formerly CASC2D). The WMS hydraulic interface was also updated in WMS 8.1 making it compatible with HEC-RAS 4.0 beta. The RAS model can be run as steady state or unsteady and results used to delineate floodplain extents and animations of flood waves for complete flood plain analysis. WMS 8.1 has also integrated an improved hydraulic toolbox and incorporated the latest release of the widely used Federal Highways culvert design model, HY-8.

Download trial version and tutorials
The complete all-in-one watershed solution

  • GIS Tools

  • Web-based data acquisition tools

  • Terrain data import and editing tools

  • Automated watershed delineation & hydrologic modeling

  • Support for the most industry standard hydrologic models

  • Step-by-step hydrologic modeling wizard

  • Hydraulic modeling & floodplain mapping

  • Storm drain modeling

  • 2D (Distributed) Hydrology

  • Integration with FHWA hydraulic calculation software

  • Export WMS animations to GoogleTM Earth

Automated watershed delineation & hydrologic modeling

  • Automatically delineate a watershed and sub-basins using digital terrain data

  • Automatically compute geometric basin data such as area, slope, mean elevation, maximum flow distance and more

  • With a small amount of input, compute hydrologic basin data such as time of concentration, curve number, and infiltration parameters

  • Industry standard equations for computing sub-basin lag times and times of concentration are included with WMS

  • Add any number of interior outlet points and let WMS subdivide the watershed automatically

  • Manipulate stream networks to represent man-made features or proposed changes to the watershed

  • Override derived basin boundaries to match your knowledge of the watershed

Support for most industry standard hydrologic models

  • A license of WMS Hydrology or greater includes an interface for the following industry standard hydrologic models:
  • HEC-1


  • TR-20

  • TR-55

  • Rational Method

  • Convert and compare the results of a watershed developed for one model with any of the other models supported in WMS

  • Read and compare observed hydrographs with computed hydrographs

  • Hydraulic modeling & floodplain mapping

    • Define a stream centerline and bank stations

    • Define cross section locations

    • Automatically cut cross sections and derive Manning's roughness values from elevation and ground material data

    • Export cross sections to the HEC-RAS or Simplified Dam Break hydraulic models

    • Run the hydraulic model and read the water elevations back into WMS

    • Read water surface elevation data from a hydraulic model or manually input known water surface elevations

    • Create flood extents and flood depth maps using digital terrain data and water surface elevation data points

    • Link the peak flow or complete hydrograph from any of the WMS-supported hydrologic models to an HEC-RAS hydraulic model

    Storm drain modeling

    • Draw a storm drain network or import a network from GIS

    • Compute elevations, lengths, and slopes of pipes from underlying elevation data

    • Link the storm drain network to your hydrologic model data

    • Export the hydrologic model data and the storm drain network to EPA-SWMM or XP-SWMM

    • Import existing EPA-SWMM or XP-SWMM files into WMS

    2D (Distributed) hydrology

    • WMS supports 2D models:

    • The US Army Corps of Engineers (USACE) GSSHA model

    • The HMS version of the quasi-distributed MODClark method

    • Flood forecasting (depth and velocity over entire 2D domain)

    • Thunderstorm (localized rainfall) flood analysis

    • Surface ponding and infiltration analysis

    • Wetland modeling

    • Land use change impact modeling

    • Groundwater/surface-water interaction modeling

    • Sediment and contaminant modeling

    • Import what you need

    • USGS DEMs - download and use any format of DEM from the USGS

    • USGS NED data - seamless elevation data can be downloaded and read into WMS

    • ArcGIS Raster (ASCII format) - read elevation or attribute data in gridded format from ArcGIS

    • ESRI Shape files - read all shapes and attributes into WMS

    • DXF and DWG CAD files - WMS now supports the latest versions of DXF and DWG

    • TIFF, JPEG image files - images along with geo-referencing information can be read by WMS

    • Any data supported by ArcGIS can be read into WMS (ArcGIS license required, compatible with ArcGIS 10.0)

    • Software from an Industry Leader - WMS is developed by Aquaveo, an engineering services company with many years of experience developing watershed modeling solutions. Support inclues:

    • Step-by-step tutorials and how-to videos

    • Online community forum and product documentation

    • Phone and email technical support

    • Regularly scheduled training courses taught by expert modelers

    • On-site training available

    • Professional consulting services

Windows XP, RAM: 512 MB (2GB Recommended)

Windows Vista, RAM: 1 GB (4GB Recommended)

Windows 7, RAM: 1 GB (4GB Recommended)

CPU: WMS software is CPU intensive. We recommend the fastest CPU your budget allows. A multi-core CPU may be useful for multi-tasking while WMS is running. However, WMS software does not use more than a single core at this time, so a faster dual core may provide better performance than a slower quad core CPU.

Graphics Card: For all display features to be enabled, OpenGL 1.5 must be supported.We recommend NVIDIA® Quadro® based graphics cards because of their superb OpenGL support. The use of a dedicated graphics card is strongly recommended. Integrated graphics cards are often problematic.

Display Resolution: 1024 x 768 or greater

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