Nason Creek RM 3.5 – 4.7 Restoration Actions

1. Project History and Development

2. Design Concepts•Fill Removal•Oxbow Enhancements

3. Timeline and Next Steps

2004 Channel Migration Study, Jones and Stokes

• 2007 Oxbow (N3)• 2009 Oxbow (N4)• N1

2009 Kahler Reach Assessment - USBR

• KDIZ-3 Reconnect Disconnected Inner/outer Zone• KOZ-20 and KOZ-19 Fill Removal

Project Development• 2010 Alternatives Analysis• 2010 SRFB Application• January 2011 RTT

Presentation• 2011 SR 207 Relocation

Feasibility Study– Geomorphology– EDT Biological Benefit– Geology

• April 2012 RTT Presentation

Project DevelopmentSRFB Application 2012 for reach based restoration1. Fill Removal2. 2007 Oxbow

Enhancements3. ELJ4. Side Channel

Reconnection

Design Concepts1. Fill Removal2. 2007 Oxbow

Enhancements

Fill Removal

Fill Removal

Parking Lot Fill Removal

Parking Lot Fill Removal Sections

Abuttment Removal

2007 Oxbow Enhancements

2007 Oxbow

2007 Oxbow Enhancements

Next Steps and Timeline• Route link to presentation• Comments on design concepts (fill removal

and oxbow enhancements) until 5-31-13• Revise designs based upon stakeholder and

USFS input Summer 2013• USFS Resource Reviews Summer 2013• Permit ready designs Sept-October 2013• Permit submittal and NEPA kick-off Fall 2013• Construction summer 2014

Questions?