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In a difficult economy, many clients question spending additional, already-tight project funding to design their stormwater management projects to accommodate a 100-year storm and/or flood, which has a low probability of occurring. However, this decision should be weighed heavily. Saving project capital now could put your community at a significant risk later.

They Happen More Often than You Think
It is commonly believed that 100-year storms and floods occur once every 100 years, but according to the U.S. Geological Survey (USGS), 100-year storms and floods...

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TagsFlooding, Stormwater Design,

For more information, contact Kelly Dillard.

Obtaining public input and buy-in is often a critical component of stormwater management design projects, and effectively demonstrating the need for and potential effects of a proposed project is crucial to successfully communicating with the general public and keeping a project on track. Visual illustrations often prove to be the most valuable and efficient means of demonstrating a project’s effects to the public, and the introduction of dynamic stormwater modeling software presents...

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TagsPublic Involvement, 2-D Modeling,

The staff at Fort Hood take great pride in providing an environment to train U.S. troops to protect our country and our interests around the world. While serving this important mission, Fort Hood is required to comply with Clean Water Act requirements to protect water quality from pollution in urban storm water runoff. Like many cities throughout Texas and the U.S., Fort Hood is an operator of a Phase II Municipal Separate Storm Sewer System (MS4) and is in the midst of implementing a storm water management program in the urbanized areas of the installation.

Utilization of...

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TagsSystem Mapping, Phase II MS4,

Project Background 

When the 23 dams in the Upper Brushy Creek watershed in southern Williamson County were built by the U.S. Soil Conservation Service in the 1960s, they met all safety standards for earthen dams in sparsely populated areas. Now, 21 of those dams provide flood control for one of central Texas’ fastest growing populations and, due to increased potential risk to the public (risk creep), are classified as high hazard dams. 

In 2000, the Upper Brushy Creek Water Control and Improvement District (WCID) was directed by the State of Texas to bring...

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TagsFlood Monitoring,

Small cities, counties and other regulated entities are now in the third year of their first five-year permit to implement their Phase II MS4 program to protect water quality from pollutants in stormwater runoff. Year-to-year progress towards implementation must be demonstrated to the TCEQ until the full program is in place by August 2012. Some of the challenges and potential solutions faced by those implementing Phase II MS4 programs are discussed below.

Interdepartmental Support: Getting Adequate Action and Support from Other Department Personnel
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TagsStormwater Utility, Phase II MS4, Ordinance, iSWM,

Lack of Preparation Contributes to Effects
When municipalities are unprepared, large storm events often overwhelm them with the need to clean up debris, conduct inspections, perform repairs, respond to questions, and verify substantial damage determination regulation requirements are met. Nothing can immunize a community from flooding, but implementing key practices before, during and after large storm events can minimize effects on your community and help prevent severe damage and repeat flooding. (Brief checklists for practices before, during and after a large storm...

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TagsTips, Storm Event, HMAP, GIS, Flooding,

Managing Urban Streams
Managing urban streams involves reducing floods and erosion and improving water quality. Flood and erosion control dominate most urban stream improvement projects, but often there are opportunities to simultaneously incorporate natural channel design features and improve water quality, urban habitat and aesthetics. The urban stream environment often prevents the design of a truly “natural” solution, but proper assessment of stream restoration activities can help reduce erosion and provide opportunities to improve a stream or creek’s natural...

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TagsTips, Stream Assessment, Fluvial Geomorphology, Erosion,

Project Overview
The City of Austin Watershed Protection Division (WPD) retained Freese and Nichols (FNI) to retrofit an existing Central Austin dry stormwater detention facility by integrating it with a new stormwater water quality wet pond. The WPD’s goal was to protect their community by reducing the impact of flooding, maintaining and improving water quality and creating a stable stream system to prevent erosion. FNI’s integration of a wet pond into the existing dry detention pond helped the WPD achieve these goals for stormwater runoff into Waller Creek.

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TagsWet Pond, Water Quality, Sustainability, Detention, Design,

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