New Stormwater Design Software Makes

Hydraulics & Hydrology Detention Pond Design Watershed Modeling Storm Sewer Design Culvert Design Open Channels

Easy

Easy-to-use Stormwater Design Software for Civil & Environmental Engineers

Hydrology Studio is a suite of modern-day software for stormwater design and modeling. Use it for detention pond design, storm sewer design and analysis, open channel hydraulics, culvert modeling and a lot more. A perfect choice for commercial and residential site development engineering.

Buy as stand-alone programs or discounted bundle, the Suite.

Better H&H Software. The Happiest Customers.

Rated #1 by civil and consulting engineers alike

"I have to congratulate you on a remarkable achievement with this suite of products. I bought it today after seeing an H&H Culvert Studio report from a colleague a week ago."

David V. MsCE PEPresident

"Definitely a great platform, loving it so much more than PondPack which we previously used for years."

Randy C, PEPresident

"Worked this morning on Stormwater Studio... WOW...!!! Awesome, great job...very easy to model with... "

Bob S.Senior Hydraulic Engineer

“I have used your trial version and am absolutely thrilled with the interface, adaptability and comprehensiveness of the software.”

Self-employedCivil Engineer

"I am super impressed with your service and management! Thank you."

Dave H. PE, CFMSenior Engineer

"I love this software and use it almost daily. It’s value is the simplicity."

Patrick R. PESenior Project Engineer

"This program is excellent - Even as a beginner it is saving me valuable time."

Andrew P.New Zealand

"I just wanted to say thanks for the recent round of changes to Hydrology Studio. You really have a great product here and it just keeps on getting better."

Patrick M. PEConsulting Civil Engineer

"I appreciate how you have taken care of us since our purchase."

Ron F. PE, CFMProject Manager

"Very nice software you have developed. It's got a simple and clean feel to it. I will almost certainly be purchasing a subscription."

Mack F. PE, PLSConsulting Civil Engineer

"Been plodding along with HydroCAD for ~15 years or so and we needed something better. I will spread the message on how well you support a brand new customer like me."

Frank G. Hill, PE, CFMPrincipal

“I want to compliment you on your interface design, your software definitely has the most intuitive interface that I have seen for this category of software… you nailed it.”

M.B.Consulting Engineer

Introducing the Hydrology Studio Suite

All the stormwater design & modeling software you’ll ever need. The Hydrology Studio Suite is a collection of five superb drainage design programs at one low price. Dramatically improve productivity, streamline and standardize your stormwater design processes, while adding a consistent professional look throughout your firm. This is our most popular offering.

Hydrology Studio

Detention Pond Design Software You'll Enjoy Using

Hydrology Studio uses an interactive basin model diagram that lets you easily point and click your way through pre- and post-development site designs and complex watersheds.

Provides complete TR20, TR55 runoff compatibility, Rational and Modified Rational methods.

Create runoff hydrographs, combine, route and divert hydrographs. Interactive detention pond design. Best-in-class reports.

Learn more about Hydrology Studio

Stormwater Studio

Storm Sewer Design Software, Simplified

Design, model or analyze complete storm sewer systems with a variety of HEC22 inlets and catch basins in less time. Design using energy-based HGL/EGL calculations. Get rewarded with graphic-rich surface and profile plots, outstanding graphics and reporting. Agency-friendly. User friendly.

Learn more about Stormwater Studio

Studio Express

Must-have Hydraulics and Hydrology Software

When you need answers fast, this is your go-to hydraulics and hydrology software. Model open channels, pipes, weirs, orifices and inlets…on the fly! Create runoff hydrographs and estimate required storages for detention ponds. Includes retention pond recovery analysis!

Learn more about Studio Express

Culvert Studio

Modern-day Culvert Modeling Software

Replace your outdated culvert design software with something new and far better. Culvert Studio offers a rich user experience with rock-solid, time-tested methodologies.

Model single-barrel crossings, multi-barrel culverts with a variety of shapes, sizes, slopes, inlet configurations and materials. Handles any flow regime with overtopping flow.

Learn more about Culvert Studio

Channel Studio

Your Day-to-Day Open Channel Modeling Software

Channel Studio is software is an easy-to-use tool for performing hydraulic analysis on open channel systems.

Compute water surface profiles in any flow regime for any open channel including bridge structures, culvert crossings and inline weirs. Also performs bridge scour.

Learn more about Channel Studio