Smarter planning and operations of water networks
OpenFlows Water is a user-friendly hydraulic modeling software for analyzing and optimizing water distribution networks, accelerating productivity through AI-assisted workflows, supporting planning, system design, and everyday operational and maintenance decisions.
OpenFlows Water includes the capabilities of WaterGEMS® , WaterCAD® , and HAMMER.
Why OpenFlows Water?
Water Network Optimization
Analyze water distribution network behavior under current and future conditions to test scenarios and improve hydraulic system performance.
Operational efficiency and resilience
Support daily operations by reducing water loss, improving water quality and energy use, preventing failures and preparing for emergency conditions.
Intelligent decision-making
Reduce risk and support long-term water system planning by evaluating fire flow reliability, future demand, and cost-effective network expansion.
OpenFlows Water Essentials
A streamlined hydraulic modeling software for small water distribution systems and focused engineering analyses.
- Perform fire flow, water quality, energy, and criticality analysis
- Compare scenarios and evaluate system performance
- Analyze system demands, pressures, and operational conditions
Includes:
WaterCAD
OpenFlows Water Standard
Expanded system modeling with transient analysis and surge protection for mid-size water distribution networks.
- Perform transient analysis (water hammer)
- Analyze surge protection and pressure events
- Maintain full hydraulic, water quality and scenario capabilities
Includes:
WaterCAD HAMMER
OpenFlows Water Advanced
Advanced analysis and optimization for large water distribution systems.
- Optimize pipe sizing and rehabilitation strategies, and improve pump scheduling
- Improve pump scheduling for energy efficiency
- Integrate real-time SCADA data for operational modeling
Includes:
WaterCAD WaterGEMS HAMMER
OpenFlows Water Ultimate
Unlimited water distribution system modeling with full optimization and integration capabilities.
- Apply advanced AI-powered calibration and design optimization
- Integrate unlimited SCADA signals for real-time system analysis
- Evaluate complex multi-scenario network condition
Includes:
WaterCAD WaterGEMS HAMMER
*Prices vary per region. For more options, see licensing and subscriptions section.
Quickly Compare Software Tiers
What Is OpenFlows Water?
- Scenario Management
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Scenario Management
Perform multiple hydraulic model scenarios using alternative data sets to simulate the system under a variety of what-if conditions. Analyze pipe and valve criticality to determine the weakest links in your water distribution system. - Transient Simulation
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Transient Simulation and Analysis
Use water hammer and hydraulic analysis software to efficiently identify, manage, and mitigate the risks associated with transients. - Hydraulic Modeling
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Hydraulic Modeling
Build your hydraulic model quickly, synchronizing network data from standard formats that include GIS and CAD files, databases, and spreadsheets. Be compatible with various data formats and sources.
- Model Calibration
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Model Calibration
Apply AI-powered automated calibration using Darwin® Calibrator and ensure your model is calibrated and accurate in any condition—including peak days, component failures, fire flows, and future demands—by eliminating discrepancies between the model and field data.
- Design Optimization
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Design Optimization
Use Darwin Designer to automatically determine maximum pressure benefits, minimum cost designs, and rehabilitation strategies based on available budget, construction cost, and pressure and velocity constraints.
Scenario Management
Perform multiple hydraulic model scenarios using alternative data sets to simulate the system under a variety of what-if conditions. Analyze pipe and valve criticality to determine the weakest links in your water distribution system.
Transient Simulation and Analysis
Use water hammer and hydraulic analysis software to efficiently identify, manage, and mitigate the risks associated with transients.
Hydraulic Modeling
Build your hydraulic model quickly, synchronizing network data from standard formats that include GIS and CAD files, databases, and spreadsheets. Be compatible with various data formats and sources.
Model Calibration
Apply AI-powered automated calibration using Darwin® Calibrator and ensure your model is calibrated and accurate in any condition—including peak days, component failures, fire flows, and future demands—by eliminating discrepancies between the model and field data.
Design Optimization
Use Darwin Designer to automatically determine maximum pressure benefits, minimum cost designs, and rehabilitation strategies based on available budget, construction cost, and pressure and velocity constraints.
Watch and learn
OpenFlows Water can help engineers, plan, design and analyze water systems.
Featured User Stories
AQUA, United States
Hydraulic modeling aids AQUA water outage response
Bentley’s OpenFlows Water helped build a real-time virtual model of the distribution system to support timely decisions, improve emergency response, and accelerate service recovery.
L&T Construction, India
Digital design speeds clean water delivery in India
L&T Construction used Bentley’s OpenFlows Water and BIM tools to streamline design and build a vast rural water network, cutting construction time by 90%.
Maynilad Water Services, Inc.
Maynilad delivers clean water to 270,000 residents in the Philippines
Using Bentley’s OpenFlows Water, Maynilad designed a wastewater reuse-based network that delivers 10 million liters of clean drinking water per day.
Maintain an affordable water supply.
Sustainable Water Management
Everything you need to know
What is OpenFlows Water used for?
OpenFlows Water is used to plan, design, and optimize water distribution systems. It helps engineers understand hydraulic behaviour, make informed decisions, and solve every day operational and maintenance challenges in water networks.
What types of hydraulic analysis does OpenFlows Water support?
Tailored for high-stakes sectors where asset integrity is non-negotiable, iTwin IoT excels in civil infrastructure (bridges, tunnels, roads, railways), water management (dams, utilities), mining operations, construction and renewable energy. It fuses IoT data with powerful analytics and BIM/GIS models for geospatial insights, helping organizations like Stantec optimize urban mobility, Yuba Water operate safer dams, Monir manage efficient construction projects, and Beca ensure post-disaster resilience—proving its versatility for any asset-heavy environment demanding predictive safety and compliance.
Can OpenFlows Water model fire flow and emergency scenarios?
.Yes. OpenFlows Water can assess fire flow reliability, simulate emergency condition, and ensure models remain accurate during peak demand or crisis scenarios by incorporating calibration and scenario tools.
What is smart water network management?
Smart water network management involves using real‑time data, predictive modeling, and operational insights to optimize performance. SCADA data is integrated to forecast conditions, detect issues early, and guide efficient, safe network operation.
What is hydraulic modelling?
Hydraulic modeling is the process of simulating water movement through distribution systems. OpenFlows Water enables users to build accurate models using GIS, CAD, and SCADA data to analyze flows, pressures, water quality, and overall system perform
Can OpenFlows Water help with energy savings?
Yes. OpenFlows Water includes energy analysis tools, such as Darwin Scheduler, which identifies efficient pump scheduling strategies and helps reduce energy use and operational costs by optimizing pump performance.
How does OpenFlows Water support collaborative and productive workflows?
You can publish and share your hydraulic models within a collaborative digital twin environment for seamless, multi-disciplinary reviews. Additionally, Bentley Copilot, an AI assistant (available as technology preview) boosts daily productivity by letting you query model data and launch commands using plain language
What are the system requirements for OpenFlows Water?
Processor
As per minimum operating system requirements.
Operating System
Windows 10 (64 bit) – Windows 11 – Windows Server 2019 and 2022
Memory
As per minimum operating system requirements.
Disk Space
The software itself requires approximately 5.6 Gigabytes (GB) of disk space for installation. Additional space is also required for user model and data files.
Display
As per minimum operating system requirements.
Licensing and Subscription options
Choose What is Right for You
One-year license with training
Virtuoso Subscription – A popular choice for small and medium-sized businesses
Get access to software that comes with training – fast! Bentley’s eStore offers a convenient way to lease a 12-month license of Bentley software for a low, upfront cost. Every online purchase comes as a Virtuoso Subscription that includes training and auto-renewals. With no contract required, it’s easy to get started quickly.One-time purchase with support
Perpetual License with SELECT
A perpetual license of Bentley software is a one-time purchase, with a yearly maintenance subscription, called SELECT. This includes 24/7/365 technical support, learning resources, and the ability to exchange licenses for other software once a year. With SELECT, you will benefit from:- License pooling, so you can access your software from multiple computers.
- Access additional Bentley software with Term Licenses, which allow you to pay for what you use without the upfront cost of purchasing a perpetual license.
