Anima imas R River C r Comm mmunit unity F y Forum La Plata County 416 Fire Recovery Efforts and Opportunities Jordan Dimick, PE Senior Engineer 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
Introdu Intr oducti tion • 416 Fire started on June 1, 2018 about 10 miles north of Durango • Estimated 54,000 acres burned • Generally the burn severity was moderate to low 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
Summar Summary o of 416 416 Fire Emer Emergenc gency W y Watershed Pr hed Prot otec ecti tion (E on (EWP) WP) Pr Progr ogram 10 EWP Program Complexes 1. Upper Tripp Creek 2. Locke’s Mountain 3. Hwy 550 6 4. Honeyville 5. Lower Hermosa Creek 8 6. Flying S 9 7. Lower Tripp Creek 2 5 8. Irongate/KOA 3 1 9. Pine Acres 4 10 5 10. Dyke Canyon 7 416 Fire 416 Fire Recovery Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
Completed Pr Projec ects – ts – Upper T pper Tripp Cr ipp Creek eek Co Debris removal • Channel stabilization • Placement of riprap • Installation of concrete • block barriers Storm debris catchment • basin Debris rack installation • Water delivery structures • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
Completed Pr Projec ects - ts - Hone oneyville lle Co Debris removal • Channel stabilization • Placement of riprap • Installation of concrete • block barriers Debris rack installation • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
Completed Pr Projec ects – ts – Co Lo Lower H Hermosa C Creek Hillside stabilization • through revegetation 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
20 Pr Projec ects – ts – Lower T er Tripp Cr ipp Creek eek Pr Projec ected 20 ted 2020 Debris removal • Channel stabilization • Placement of riprap • Installation of concrete block barriers • NOAQ box walls • Sandbag barriers • Earthen berms • Water delivery structures • Watertight gates • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
20 Pr Projec ects – ts – Highway 5 550 0 Pr Projec ected 20 ted 2020 Debris removal • Channel clearing and shaping • Channel stabilization • Placement of riprap • Installation of concrete block barriers • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
20 Pr Projec ects – ts – Irongat ngate and K e and KOA Pr Projec ected 20 ted 2020 Debris removal • Channel clearing and shaping • Placement of riprap • Debris rack installation • Concrete low water crossing • Installation of concrete barriers • Sandbag barriers • Earthen berms • Watertight gates • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
20 Pr Projec ects – ts – Pine A ine Acres Pr Projec ected 20 ted 2020 Debris removal • Channel clearing and shaping • Placement of riprap • Debris rack installation • Concrete low water crossing • Installation of concrete barriers • Earthen berms • Watertight gates • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
20 Pr Projec ects – ts – Pr Projec ected 20 ted 2020 Dyke C Dyk Canyon on Debris removal • Channel clearing and shaping • Channel stabilization • Placement of riprap • Debris rack installation • Installation of concrete block barriers • Watertight gates • Sandbag barriers • Earthen berms • Revegetation • 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram Focus on protecting/restoring the watershed health, stream function, and ecological processes: • Channel stabilization • Rehabilitate stream channels/floodplains • Habitat improvement • Stream gauging • Improve recreational opportunities • Early warning detection systems • Provide fish passage • Remote telemetry • Revegetation systems • Reduce erosion • Debris catchment with • Log erosion barriers proper O&M 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • CWCB approach: 1. Identify areas of risk 2. Identify the source areas 3. Identify the transport mechanisms 4. Identify the depositional areas 5. Assess and prioritize projects 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • BAER Identified areas of risk – Bell Canyon – Dyke Canyon – S. Fork of Falls Creek – Glacier Club drainages – Tripp Creek – Buck Hollow 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • Identification of source areas and transport mechanisms: – Moderate to high severity burn areas – Steeper slopes – Rainfall • Increased rainfall intensity results in bigger floods – Snowmelt and runoff 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • Identification of depositional areas: – USFS lands – Private property – 416 Fire EWP complex areas – Hermosa Creek – Animas River 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • Identification of potential projects: – Reseed and vegetate moderate to high severity burn areas on steep hillsides – Development of bio-islands (e.g. willow clumps) – Laying back incised channel banks to increase the riparian edge and revegetating corridor – Rain gages, early warning detection systems with text/call alerts – Debris rack with on-going maintenance on Tripp Creek 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • Sticky note map exercise 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
CW CWCB P CB Post-416 F 16 Fire W Water tershed R hed Restor orati ation Pr n Progr ogram • Announcement for the Watershed Restoration Program Planning Workshop – April 2, 2020 (5:30 to 7:30 pm) Fairgrounds – Focus will be to develop specific conceptual projects and to prioritize: • Watershed needs • Project areas • Project importance • Cost effectiveness of mitigation projects 416 Fire Recovery 416 Fire Recovery Efforts and Opportun Efforts and Opportuniti ities March 12, 2020
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