Presentation of the Impervious Cover Mitigation Study of the Brooks - - PowerPoint PPT Presentation

presentation of the impervious cover mitigation study of
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Presentation of the Impervious Cover Mitigation Study of the Brooks - - PowerPoint PPT Presentation

Presentation of the Impervious Cover Mitigation Study of the Brooks Regional Center Previously Presented to the City of San Antonio and Brooks Development Authority Presented to the Environmental Advisory Committee September 21, 2018 Karen


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Presentation of the Impervious Cover Mitigation Study of the Brooks Regional Center

Previously Presented to the City of San Antonio and Brooks Development Authority

Presented to the Environmental Advisory Committee September 21, 2018 Karen Bishop

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City of San Antonio

SA Tomorrow Plan

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Brooks Regional Center

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Brooks Regional Center

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Ideal Study Area

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Impacts of Impervious Cover and Land Use

Existing/ Traditional Development

Recommended Development

Future Development Using Traditional Development Trends

Three Analysis Scenarios

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Recommended Development Components

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Impervious Cover Impacts

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Peak Flow Runoff Impacts

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Stream Flow Velocity Impacts

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Street-level Flooding Impacts

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Street-level Flooding Impacts

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A B

Water Quality Assessment

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Water Quality Impacts

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Water Quality Impacts

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Construction Cost Impacts

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Parking Impacts

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Impacts from Complete Green Streets

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Conservation Residential Subdivision Impacts

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Impacts from Trees!

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Carbon Sequestration

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Cost/Benefit Comparison

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Policy Recommendations

Policy & Code

  • Incorporate targeted water quality standards into the Unified Development Code for watersheds associated with

high E. coli loads.

  • Do not allow development in floodplains, and set aside other areas with permeable soils.
  • Zone 100-year Floodplain as open space.
  • Require assessment of the 2-year and other small, frequent storms for their impacts.
  • Modify parking lot requirements to reduce minimums and to allow more flexibility in SA Tomorrow Place Types.
  • Protect floodplains from fill and other modifications.
  • Protect canopy within the stream buffer in and adjacent to floodplains.

SA Tomorrow Implementation Plan

  • Incorporate into all Regional Centers the RECOMMENDED DEVELOPMENT strategies used herein to allow for

development while mitigating development’s impacts. This includes creating stormwater parks that utilize at least 1/3 of parklands to infiltrate stormwater runoff. Other

  • Prioritize placing green infrastructure into bond projects or publicly funded projects.
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Building resilient communities where people want to live, work, and recreate!

Questions?