NATURE-BASED APPROACHES David H. Hunter Manager, Watershed - - PowerPoint PPT Presentation

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NATURE-BASED APPROACHES David H. Hunter Manager, Watershed - - PowerPoint PPT Presentation

INTEGRATING HAZARD MITIGATION WITH WATERSHED PLANNING AND NATURE-BASED APPROACHES David H. Hunter Manager, Watershed Protection and Industrial Pretreatment, City of Denton David Reazin Physical Scientist, United States Environmental


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INTEGRATING HAZARD MITIGATION WITH WATERSHED PLANNING AND NATURE-BASED APPROACHES

David H. Hunter Manager, Watershed Protection and Industrial Pretreatment, City of Denton David Reazin Physical Scientist, United States Environmental Protection Agency

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Denton, Texas

  • DFW Metroplex
  • Population 136,000
  • Two Major Universities
  • Known for Jazz Music Program
  • Progressive community
  • Located in the Trinity River Watershed
  • •Elm Fork of the Trinity Sub-Basin
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Watershed Management

  • Rapid urbanization in western Denton

County

  • Growth in Lewisville Lake Watershed and

Denton County

  • Master Planned Communities (MPCs) in

City of Denton

  • Conditions in Lake Lewisville
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Looking to the future

  • Over 1 million expected in Denton County by 2030.
  • Protection of natural assets for future economic growth and

quality of life

  • City of Denton expected to Double by 2040
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Challenges of flood events

  • Increased impervious pavement
  • Greater intensity and frequency of flood events
  • Communication between City of Denton departments
  • Stormwater Management
  • Public Works
  • Parks Department
  • Emergency Management
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Hickory Creek Watershed Protection Plan (Project: 2005-2008)

  • Modeled water quality impacts from development
  • Constructed BMPs
  • Incentivize BMP
  • Established strong stakeholder relationships
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Preserve greenbelts and related natural areas Identify strategic areas for greenbelt corridors Advocate for multi-use greenbelts Provides a strategy “tool box”

Denton County Greenbelt Plan (Adopted by Denton County 2017)

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Denton County Hazard Mitigation Plan (2016)

  • Collaborative Regional Effort Coordinated by North Central Texas

Council of Governments

  • Identifies various Risk and Vulnerabilities
  • Results of this effort to be incorporated into the City of Denton’s

Hazard Mitigation Plan

  • Reimbursable by FEMA funds
  • Create opportunities to increase resilience
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Environmental Quality / Emergency Management

  • Water Quality – Water Quantity Concerns
  • Not usually grouped together in organizational framework
  • Not always funded or managed together
  • Consider: Organizational / Financial / Regulatory
  • Temporal and Spatial – Flooding events big and fast
  • Water Quality - big or small and fast or slow
  • Mitigation, Response, Recovery and Preparedness
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EPA – City of Denton GI/LID Project

  • Stakeholder Identification - leverage resources
  • Analysis of Watershed protection literature and Hazard Mitigation

Plan in Denton County

  • Initial stakeholder meeting
  • Use of GIS tool to identify critical areas for GI/LID, open space

implementation in the Hickory Creek Watershed

  • Second stakeholder meeting
  • Final Report
  • Outreach PowerPoint Presentation
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Stakeholders (list not fully inclusive)

  • City of Denton / Denton County Department of Public Works
  • Upper Trinity Regional Water District
  • State of Texas Department of Emergency Management: Denton County

Emergency Service

  • Trinity River Authority
  • North Central Texas Council of Governments
  • U.S. Corps of Engineers – Silver Jackets
  • Federal Emergency Management Agency (FEMA)
  • U.S. Environmental Protection Agency (EPA)
  • Denton County Soil and Water Conservation District
  • Natural Resources Conservation Service - USDA
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Future Challenges and Opportunities

  • Challenges:
  • Limited Funding
  • Regulatory challenges
  • Rapid Development is “Fast”
  • Opportunities:
  • Denton has “low hanging fruit”
  • Completed and Approved Plans
  • Existing Stakeholder/Partner Network
  • Data sets / Literature
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Questions? THANK YOU

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D AV I D H . H U N T E R C I T Y O F D E N T O N 9 4 0 - 3 4 9 - 7 1 2 3 D AV I D . H U N T E R @ C I T Y O F D E N T O N . C O M D AV I D R E A Z I N U S E PA 2 1 4 - 6 6 5 - 7 5 0 1 R E A Z I N . D AV I D @ E PA . G O V

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