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Canyon Drain Public Meetings & Outreach 8/5/2010 City Council Work Session PowerPoint Presentation
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Canyon Flood Mitigation & Partnership Opportunities City of Wenatchee • Chelan County • Chelan-Douglas Land Trust. Canyon Drain Public Meetings & Outreach 8/5/2010 City Council Work Session 9/2/2010 City Council Work Session 9/13/2010 Board of County Commissioners Meeting

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Presentation Transcript
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Canyon Flood Mitigation & Partnership OpportunitiesCity of Wenatchee • Chelan County• Chelan-Douglas Land Trust

slide2

Canyon Drain Public Meetings & Outreach

8/5/2010 City Council Work Session

9/2/2010 City Council Work Session

9/13/2010 Board of County Commissioners Meeting

11/1/2010 Informative flyer sent to County residents

12/2/2010 City Council Work Session

1/25/2011 Wenatchee School Board Meeting

4/19/2011 Wenatchee School Board Meeting

5/10/2011 Mailing to City residents along canyon drainages

6/29/2011 Wenatchee School Board Meeting

7/21/2011 Board of County Commissioners Meeting

chelan county stormwater program
Chelan County Stormwater Program
  • 2011 Chelan County Stormwater Comprehensive Plan – 75% complete.
  • Within the vicinity of Wenatchee, the county has both open and closed conveyance systems.
summary of flood hazard reports
Summary of Flood Hazard Reports
  • Canyon No. 1 and No. 2 pose the highest risk of potential mud flows.
  • Risk factors
    • high hill slope gradient
    • high rainfall intensity
    • lack of vegetation
    • land-use practices
  • Debris, mud & sediment = System Failure
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Conceptual layout of Water Quality/Flood Management Structures

Proposed #1 Western Hills Stormwater Facility – City

Proposed #1 Canyon Water Quality Facility –County

how did we get here
How Did We Get Here?
  • The CDLT coordinated a site visit with the city, and county to a potential joint use facility parcel (May 2011).
  • As a result, C.C. conducted a feasibility study of the site (July 2011).
        • City/county interface
        • Water quality improvement
        • Debris control now. Potential future flow control.
joint use facilities
Joint Use Facilities…
  • Combined flood mitigation and water quality improvements with recreational facilities for schools, trailheads, and neighborhood parks.
foothills plan1
Foothills Plan
  • Improved trailheads
next steps
Next Steps
  • Launch public outreach to explore joint use facility projects.
  • Pursue funding opportunities.
  • Follow-up with the Wenatchee School District on the Western Hills Facility.
  • Continue exploring partnership possibilities.