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HydroCAD Stormwater Modeling - Since 1986


Why use HydroCAD?

HydroCAD is an easy-to-use tool for performing many common hydrologic and hydraulic calculations, and is widely accepted wherever these basic techniques are employed.  Many state and local agencies are using HydroCAD to evaluate the submissions they receive, partly because of the clear, concise reports, which facilitate fast and accurate communication between the designer and reviewer.

How does HydroCAD compare to other H&H programs?

HydroCAD is an excellent alternative for most applications where the TR-55 or TR-20 procedures are appropriate.  HydroCAD can be used to replicate these results with great accuracy, while providing many additional features and capabilities.  For details see our comparison chart.  We also have specific procedures for comparing results between different programs, and additional assistance is available on our support page.

What software do I need?

Depending on your exact needs and budget, several software options are available:

Option 1: HydroCAD Sampler

If your primary need is to review existing HydroCAD projects, and your budget is limited, we recommend that you obtain a free copy of the HydroCAD Sampler.  With the Sampler you can:
bulletOpen any HydroCAD project sent to you by email or on a disk.
bulletExamine all runoff and routing calculations.
bulletPrint limited reports for any project.
bulletExplore the effects of any type of design changes.
bulletAnswer most questions using the 400+ page help system.
bulletCreate your own projects.  (Subject to the limits of the Sampler.)

The Sampler includes an interactive tutorial and an extensive help system, which are supplemented by additional information on our support page.  If printed documentation is desired, you may purchase a copy of the full HydroCAD Reference Manual.

Option 2: Standard HydroCAD program

If you need to make permanent changes to the projects you receive, we recommend that you purchase a full HydroCAD program appropriate to your needs.  HydroCAD's node-based pricing structure lets you purchase just the capacity you need, with the flexibility to upgrade to a larger capacity as your needs grow.  This gives you the full power of HydroCAD for even the smallest projects, with the ability to handle larger projects as your needs grow.

When several people need to use HydroCAD at the same time, we offer significant quantity discounts for multiple licenses.  And for non-concurrent use, you can share your license(s) among all the computers in each office - at no additional cost.  License details here.

Each purchase includes 90 days of software maintenance including email support and free software updates.  After 90 days you can extend your software maintenance for another year, or you can use our free web and email support and purchase updates as required.

Option 3: Metered HydroCAD usage

For situations in which an hourly usage fee is preferable to a capital purchase, HydroCAD is also available on a metered basis.  This option lets you pay for just the hours you use, with no restrictions on the number of users, and no extra costs for updates or technical support.  This is an excellent option if you want to use HydroCAD in multiple offices without having to assign a specific license to each site.  Metered use also provides detailed reporting and accounting which makes it easy to charge all usage to the appropriate department or project.  Details here.

Easy to install and manage

HydroCAD is a compact, stand-alone application that installs in just 60 seconds, and will run on virtually any PC or laptop you currently own, with no special hardware or software requirements.  The installation is simple enough for any computer user, while still providing special capabilities for power-users and IT personnel, such as silent installations.  Details here.

For network use, just do a standard installation on each PC, and pick a location to store your shared license information.  That's it!  Project files can reside on any storage device you choose, and are readily accessed over the network, just like any other document.

Easy to use

Learning HydroCAD is fast and intuitive.  And the built-in tutorial, help system, and printed Reference Manual give you the additional resources you need to get the job done.  Although we suggest that you allow a few days to become familiar with the program, most customers complete their first project in just a few hours.  Our customer comments say it all.

Need extra help or training?

Quick, reliable tech support is always available by phone or email.  And if you're looking for additional H&H training please visit our training page.

For more information, click the links below:

Pricing and ordering      Detailed product information     License terms

Design agencies    Metered usage


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