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The U.S. Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (USACE) have proposed a new definition of "Waters of the United States."

This new definition will clarify what is considered a federally protected waterway and a state protected waterway as part of Section 404 of the Clean Water Act. The press release regarding the proposed definition can be viewed here .

A 60-day comment period will begin once the...

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TagsWOTUS, section 404, Clean Water Act, USACE, EPA,

Freese and Nichols' Kim Patak will present “When Rivers and Infrastructure Collide,” Jan. 23 at the Texas Regional Stormwater Conference in New Braunfels.

Millions of dollars are spent each year repairing America’s infrastructure due to damage from stream erosion. Concepts of fluvial geomorphology, planning and holistic engineering are integrated into the resiliency approach to prevent, protect, respond and recover from problems caused by stream erosion.

This presentation uses real-world examples to outline...

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Tagsresiliency, Flooding, stream erosion, Erosion, Infrastructure,

The TCEQ is scheduled to approve the next five-year general permit (TXR040000) for Phase II (Small) MS4s on Jan. 16, 2019, and the permit will be issued a few days later. While the current five-year general permit is scheduled to expire Dec. 12, 2018, TCEQ has stated it will administratively extend the provisions of the current permit to provide continuous coverage until the effective date of the new permit. Regulated municipalities will have six...

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TagsTCEQ, Phase II MS4, MS4, Stormwater, stormwater management,

One of the highlights of Freese and Nichols' fifth year in North Carolina was landing its first contract with the North Carolina Department of Transportation (NCDOT).

Under a three-year agreement, Freese and Nichols is available to provide a range of on-call services for NCDOT’s Hydraulics Unit, including:

Basic, complete and complex hydrologic & hydraulic (H&H) design A range of activities under the National Pollutant Discharge Elimination System (NPDES): Stormwater permit program support...

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Tagshurricane florence, Hurricane, damage, recovery, resiliency, hydraulic,

The USACE has released HEC-HMS version 4.3. This update includes a few new features such as the redesign of the optimization trial when calibrating parameters, a new reach routing method, and enhancements to other routing methods. There are also bug fixes as outlined in the release notes .

This version supersedes all previous versions and can be downloaded here click here .

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TagsHEC-HMS, modeling, Hydrologic modeling,

The National Weather Service predicts a wetter-than-usual winter for the South and Southeastern United States. Coming on top of a string of stormy, soggy months that inundated communities from Central Texas to the Carolina coast, that forecast indicates that we should stay prepared for the potential of more flooding in coming months.

We should not underestimate the power of rushing water. Most flood-related drownings occur when cars drive into floodwaters or people walk...

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TagsFlood, Flooding, weather, FEMA, Flood Monitoring, flood warning,

The USACE released new version HEC-RAS 5.0.6 that repairs a list of problems from the previous version. Updates were made to the 2D Manning’s N Regions, RAS Mapper Stored Maps, Advanced Time Step Control, Lateral Structure Connections and more.

This version supersedes all previous versions. For a full list of the updates, click here .

Click here for download.

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TagsHEC-RAS, modeling, 2D modeling,

As this year’s hurricane season continues to challenge the Gulf and East coasts, officials will encounter multiple difficult decisions, including when or if to evacuate cities and towns before a storm to deploying resources during and afterward.

When Hurricane Florence threatened and then hit the Carolinas in September, Freese and Nichols had a team in place to help guide the South Carolina Department of Natural Resources ’ Flood Mitigation Program before, during and...

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TagsHurricane, Stormwater, hurricane florence, disaster preparedness, disaster, disaster recovery,

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