Implementing Water Quality Strategies in Central Texas

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When is more less?
Implementing Water Quality Strategies in Central
Texas May 8, 2009
John S. Jacob, Ph.D. Texas Coastal Watershed
Program Texas AM University System
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A stormwater BMP??
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LID
The New
LID
Low Impact Development
Low Impact Density
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A question of scale
watershed or site?
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Protecting Water Resources with Higher-Density
Development Lynn Richards. 2006. EPA 231-R-06-001
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DUA
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DUA Dwelling Units per Acre
Tysons Corner, VA 1DUA
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DUA Dwelling Units per Acre
Houston, TX 4-5 DUA
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8-9 DUA
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Civano, Tuscon. 18DUA
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New Orleans, French Quarter, 38 DUA
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DallasMockingbird Station, 64 DUA
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199 DUA
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Runoff Volume per acre versus DUA
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cf 1000/100 units/ year
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Best Management Practices
how does density stack up?
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BMP Pollutant Removal, median, 25th and 75th
percentiles
National Pollutant Removal Performance Database,
Center for Stormwater Protection, 2007
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LEED ND
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per capita versus per acre
Watershed versus Site
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A Water Quality BMP!
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