grande ronde river restoration project - la grande, or union soil and water conservation district,...
TRANSCRIPT
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Grande Ronde River Restoration Grande Ronde River Restoration Project - La Grande, ORProject - La Grande, OR
Union Soil and Water Conservation District, Union County, City of La Grande and U.S. Army Corps of Engineers
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Project Vicinity MapProject Vicinity Map
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The ProblemsThe Problems
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The ProblemsThe Problems
Headcut
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The ProblemsThe Problems
Fish Passage
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The ProblemsThe Problems
Lack of Quality Pool Habitat
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The ProblemsThe Problems
High Sediment Input
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The ProblemsThe Problems
Lack of Large Woody Debris
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The ProblemsThe Problems
Lack of Riparian Vegetation
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Project GoalsProject Goals
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Project GoalsProject Goals
Headcut StabilizationStabilize Irrigation Diversion FacilityStabilize Channel MorphologyImprove Fish PassagePrevent Stream Bank ErosionVegetate Riparian Zone
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Project DescriptionProject Description
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Project DescriptionProject Description
Cooperate with landowners to vegetate riparian zones, improving diversity and function, providing shade and preventing stream bank erosion.
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Project DescriptionProject Description
Replace the pushup irrigation diversion and stabilize the headcut structure to improve adult and juvenile salmon, steelhead and bull trout passage.
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Project DescriptionProject Description
Place root wads, anchored logs, J-hooks and W-weirs to provide safe migration corridors by reducing channel gradient, prevent channel migration, and provide stream bank erosion protection thereby reducing sedimentation.
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Project DescriptionProject Description
Educate landowners on management practices that will enhance riparian zones.
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Project DescriptionProject Description
Pursue Phase II - Next mile downstream to the Island City Bridge
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Plate 1Plate 1
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Plate 2Plate 2
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Plate 3Plate 3
2020
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Plate 4Plate 4
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Future Without ProjectFuture Without Project
Headcut Could Break Free Resulting in the Following:
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Future Without ProjectFuture Without Project
Severe Headward Channel Downcutting Loss of Channel Complexity Continued Riparian Habitat Degradation Loss of Spruce Street Bridge Massive Sediment Movement and Entrapment (gravel bars)
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FundingFunding
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FundingFunding
Feasibility Study, Environmantal Assessment and Specifications (up to August 2001) $250,000
Phase I Construction $3,264,320 U.S. Army Corps of Engineers share -$2,448,240 BPA Request (25% of total) $816,080
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