Technical Capabilities
WaterGEMS Technical Capabilities
WaterGEMS provides an easy-to-use environment for you to confidently analyze, design, and optimize your water distribution systems.
Interoperability, Interface, and Graphical Editing
- Runs from within four compatible platforms:
- Stand-alone Windows
- ArcGIS (ArcMap license required)
- MicroStation (MicroStation license required)
- AutoCAD (AutoCAD license required)
- Unlimited undo and redo
- Element morphing, splitting, and reconnection
- Merge nodes in close proximity tool
- Automatic element labeling
- Scaled, schematic, and hybrid environments
- Element prototypes
- Aerial view and dynamic zooming
- Named views library
- Multiple background-layer support
- Seamless compatibility with WaterCAD and HAMMER
Hydraulics, Operations, and Water Quality
- Steady-state and extended-period simulations
- Constituent-concentration analysis
- Multi-species water quality analysis
- Tank-mixing analysis
- Water-age analysis
- Water quality batch run
- Criticality analysis
- Fire-flow analysis
- Rule-based or logical controls
- Variable-speed pumping, with option to use APEX (Automatic Parameter Estimation eXtension)
- NPSH analysis
- System head curves
- Leakage and sprinkler modeling
- Water loss analysis
- Pressure-dependent demands
- Conventional and unidirectional flushing simulations
- Source tracing
- Valve modeling
- Air release valve element
- Top fill tank element
- Combination pump curves
- Carbon emission calculation
- Optimization of pipe renewal with Pipe Renewal Planner
- Override of pump and valve controls using historical SCADA data
- Emergency response simulations for pipe breaks, power outages, fires, and pipe shutdowns
- Real time modeling
- Pressure Zone management
- Support Districted Metered Areas (DMA) design
Model Building and Data Connection
- DGN, DXF, spreadsheet, database, and ODBC connections
- Shapefile, geodatabase*, Geometric Network*, and SDE* connections (*when running from within ArcMap)
- Oracle Spatial support
- GIS-ID property to maintain associations between records in the data source / GIS and elements in the model
- SCADAConnect unlimited-signal pack for live data connections (to and from SCADA systems)
- Graphical SCADA element
- Customer Meter element
- Lateral link (no need to split pipes) Automatic demand allocation from geospatial data
- Geospatial demand allocation from customer meters
- Demand allocation from lump-sum geospatial data
- Geospatial-based water consumption projection
- Daily, weekly, monthly, and superimposed patterns
- Unaccounted for water and leakage estimation
- Composite demands global edition
- Area, count, discharge, and population-based loading
- Pipe-length-based demand loading
- Elevation extraction from DEM, TIN, and shapefiles
- Elevation extraction from CAD drawings and surfaces
- Series, parallel, branch-trimming, multi-criteria automated skeletonization of pipes
- Skeletonization support for isolation valves
- User-data extension, including formula based
- Bing Maps support
- Model sync In/Out, update a model or sync out to an external file
Model Management
- Unlimited scenarios and alternatives
- Comprehensive scenario management
- Global attribute tabular edition
- Automated model skeletonization
- Personalizable engineering libraries
- Sorting and persistent filtering on tabular reports
- Statistical analysis from tabular reports
- Dynamic and static selection sets
- Local and global engineering-units management
- Sub-model management
- Drawing review tools for connectivity consistency
- Automatic topology review
- Orphaned nodes and dead-end pipes queries
- Change tracking
Results Presentation
- Thematic mapping with property-based color-coding, symbology, and annotations
- Dynamic, multi-parameter, and multi-scenario graphing
- Scenario and element comparison
- Shapefile contouring
- Advance profiling
- Advanced tabular reporting with FlexTables
- Creation of Google Earth (KML) files
- Publishing of i-models in 2D or 3D, including to Bentley Map® Mobile
- Video recording of result animation
- Customizable reports
Optimization (using Genetic Algorithm)
- Automated model calibration with Darwin Calibrator
- Identify leaks locations with Darwin Calibrator
- Optimized design and rehabilitation with Darwin Designer
- Optimized pump scheduling with Darwin Scheduler
Energy and Capital-cost Management
- Energy cost analysis
- Capital cost analysis
- Pump and turbine energy analysis
SewerGEMS Technical Capabilities
SewerGEMS is an easy-to-use advanced engineering software to analyze, design, and operate sanitary and combined sewer systems. Here are the SewerGEMS technical capabilities:
Interface and Graphical Editing
- Standalone Windows interface included
- Dynamic elevation updates from terrain models
- Ribbon interface improves usability
- Ability to run within
- ArcGIS (ArcMap license required)
- AutoCAD (icense required)
- MicroStation (license required)
- OpenRoads Designer, OpenSite Designer, and OpenRail Designer (licenses required)
- Unlimited undo/redo of layout and editing
- Element morphing, splitting, and reconnection
- Merge nodes in close proximity tool
- Automatic element labeling
- Scaled, schematic, and hybrid environments
- Element prototypes (one-click setup)
- Dynamic zooming
- Multiple background file support
- Image, CAD, and GIS background layer support
- Ability to add online Bing Maps as background
- Automatic input and result fields filtering (based on solver used)
Interoperability and Model Building
- Single set of model files for all compatible interfaces
- Import/export of InRoads Storm and Sanitary files
- Import of MX Drainage files
- Automated catchment delineation
- Shapefile, Geodatabase, Geometric Network, and SDE support
- Polyline-to-pipe conversion from DXF and DWG files
- Oracle Locator and Oracle Spatial data connection
- GIS-ID property (to maintain associations between records in source file and elements in model)
- Automatic catchment delineation
- SCADAConnect for live data connections (from SCADA systems)
- Seed files (new model template)
- Spreadsheet, database, shapefile, and ODBC connections
- Automated assignment of elevation data to manhole elements
- Unified file format with SewerCAD, CivilStorm, and StormCAD
- Automatic elevation updates using terrain models
Hydraulics and Operations
- 1D/2D hydraulic analysis for surface flood modeling
- Two engines for solving the full set of St. Venant equations included
- Implicit dynamic engine included
- Explicit dynamic engine included (EPA-SWMM)
- Energy Cost analysis
- Gradually varied flow-convex engine included (SewerCAD’s engine)
- Extended period simulations
- Steady-state simulations
- Automatic constraint-based design for sanitary and storm sewers
- Gradually varied flow-rational engine included (StormCAD’s engine)
- Peak flow simulations
- Evaporation definition
- Long-term continuous simulation
- HEC-22 inlet capacity calculations
- HEC-22 node headloss calculations
- SWMM Culvert Support
- Tractive Stress calculations
- Critical Storm analysis
- Support for V-shaped and parabolic gutters
- Support for culvert headwalls and endwalls
- Aquifer simulation
- Control structures (weirs, orifices, depth-flow curve)
- Rule-based controls
- Pollution analysis with optional definition of land use categories and land surface characteristics
- Variable-speed pumping
- Flow profile methods: capacity and backwater analysis
- Totalizing flow meters
- Air valves for high points in force mains
- SCADA element
- Low impact development control analysis
- Hydrogen sulfide formation modeling
Results Presentation
- Direct ArcMap visualization and mapping
- Thematic mapping
- Dynamic, multi-parameter, and multi-scenario graphing
- Advanced dynamic profiling
- Advanced tabular reporting with FlexTables®
- Property-based color coding and symbology
- Property-based annotation
- Publishing of i-models in 2D or 3D, including to Bentley Map Mobile
- Engineering profile annotation tables
- Create custom reports
- Generate AVI files
- Gutter cross section viewer
Model Management
- Ability to track model changes by user, date, element, and more
- Custom data fields (with user-assigned or formula-based values)
- Unlimited scenarios and alternatives
- Comprehensive scenario management
- Scenario comparison
- Tabular reports global editing
- Sorting and persistent filtering on tabular reports
- Statistical analysis from tabular reports
- Customizable engineering libraries
- Dynamic and static selection sets
- Automatic topology review
- Orphaned node and dead-end pipe queries
- Sub-model management
- Surface water flow direction displayed across any terrain
- Support for ProjectWise
Sanitary Load Allocation and Estimation
- Automatic sanitary load allocation from geospatial data
- Geospatial load allocation from billing meters
- Load allocation using flow monitoring distribution
- Land use-based load distribution
Stormwater Load Allocation and Estimation
- Runoff methods: SCS Unit Hydrograph, Modified Rational Method, EPA SWMM, RTK Unit Hydrograph, generic Unit Hydrograph, Time-Area Method, ILSAX and user-defined hydrograph
- Time of concentration methods: User-defined, Carter, Eagleson, Espey/ Winslow, Federal Aviation Agency, Kerby/Hathaway, Kirpich (PA and TN), Length and Velocity, SCS Lag, TR-55 Sheet Flow, TR-55 Shallow Concentrated Flow, TR-55 Channel Flow, Friend, Kinematic Wave, Bransby-Williams, and UK standard
- Loss Methods: Constant loss rate, Green and Ampt, Horton, Initial Loss and Constant Fraction, Initial Loss and Constant Loss Rate, SCS Curve Number
PondMaker: Pond Outlet Design
- Automatic update of worksheet containing design data for multiple design trials of a single pond
- Multiple pond designs possible
- Maximum outflow rates establishment (user-defined or pre-development flows)
- Post-development pond inflows computation
- Pond size requirements estimation
- Pond geometry design (grading plan or underground storage)
- Outlet structure design
- Pre- and post-development peak flow and volume comparison
- Hydrograph routing through ponds


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Best-selling Water Resources Textbook
Computer Applications in Hydraulic Engineering
This fully updated 9th edition textbook is available for download! Ideal for engineers and students in hydraulics and hydrology, offering theory and real-world applications with problem-solving and modeling exercises featuring OpenFlows WaterGEMS, HAMMER, SewerGEMS, SewerCAD, PondPack, StormCAD, FlowMaster and CulvertMaster.