Topic: Water Resources

Mike Shiflett

I’m Planning a Project that Crosses a Levee. Will I Need a 408 Permit?

Owners or engineers who have a project that is near, approaching or crossing a levee often ask, “Do I need […]

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Mark Pauls

Considerations for HEC-RAS 2D Flow Hydrograph Boundary Conditions

HEC-RAS version 5.0.3 includes several boundary condition types for 2D flow areas. Flow and stage hydrographs are typically used to […]

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Patrick Miles

Rainfall Data Saves Dam Owner $100,000

Third in a series As we’ve been discussing in this series, a new study from the Texas Commission on Environmental […]

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Patrick Miles

A New Decision-Making Tool for Texas Dam Owners

Second in a series As we discussed last month, a recent study published by the Texas Commission on Environmental Quality (TCEQ) could […]

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Patrick Miles

New Rainfall Data Affects Texas Dam Owners

First in a series Newly published rainfall data could have significant effects for dam owners in Texas, including cities, counties, […]

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John Wolfhope

Three Questions Every Dam Owner Should Prepare For

In light of recent flooding incidents at dams across the country, dam safety is now on the minds of many […]

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Ashley Poe

HEC-RAS Version 5.0.3 Released

The USACE has released a new version of HEC-RAS that supersedes versions 5.0.1 and 5.0.2 (which was withdrawn due to […]

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Ashley Poe

HEC-RAS Modeling Series: Modeling a Steady-State Floodway in HEC-RAS

This article is the first in our blog series on HEC-RAS modeling. Be sure to check back for subsequent series […]

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Ashley Poe

HEC-RAS Version 5.0.2 Released, Now Temporarily Withdrawn

UPDATE: The USACE posted the following update on their website, regarding HEC-RAS Version 5.0.2 – “We’ve temporarily taken down HEC-RAS […]

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Ashley Poe

HEC-RAS Version 5.0.1 Now Available

The U.S. Army Corps of Engineers recently released HEC-RAS 5.0.1, which fixes a few computational bugs that were identified in […]

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Héctor Olmos

10 Tips for Troubleshooting Unsteady HEC-RAS

Unsteady HEC-RAS can be a useful tool for modeling complex river systems; however, it can also be more difficult to […]

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Jill Trevino

New TxDOT Inlet and Manhole Standard Drawings Effective February 2014

Happy New Year from Ebb and Flow! The Texas Department of Transportation (TxDOT) issued new inlet and manhole standard drawings […]

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