Feasibility of Fish Passage at Alameda Creek Diversion Dam

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Feasibility of Fish Passage at Alameda Creek Diversion Dam7.1.2 Contribute to Species Recovery Through Increased Natural Production.............. 7-27.1.3 Provide Access to Historical Habitat..................................................................... 7-27.1.4 Protect or Enhance the Genetic Integrity and/or Distinctness of Stocks............... 7-27.1.5 Reduce Risk of Extinction Through Increased Natural Production andCreation of Additional Independent Populations .................................................. 7-47.2 OHLONE TRAP AND HAUL OPTION .............................................................................. 7-47.2.1 Provide Access to Additional Quantity of Habitat to Increase NaturalProduction ............................................................................................................. 7-57.2.2 Contribute to Species Recovery Through Increased Natural Production.............. 7-57.2.3 Provide Access to Historical Habitat..................................................................... 7-57.2.4 Protect or Enhance the Genetic Integrity and/or Distinctness of Stocks............... 7-57.2.5 Reduce Risk of Extinction Through Increased Natural Production andCreation of Additional Independent Populations .................................................. 7-58 CONCLUSION................................................................................................................................... 8-19 REPORT PREPARATION................................................................................................................. 9-19.1 LIST OF PREPARERS ......................................................................................................... 9-19.2 ACKNOWLEDGMENTS ..................................................................................................... 9-210 REFERENCES ................................................................................................................................. 10-1ACDD Passage June 2009Page ii
Table of ContentsAppendicesAppendix AAppendix BAppendix CTablesTable 2-1Table 2-2Table 2-3Table 4-1Table 5-1Table 5-2Table 5-3Table 5-4FiguresFigure 1-1Figure 2-1Figure 2-2Figure 2-3Figure 2-4Figure 2-5Figure 2-6Figure 4-1Figure 4-2Figure 4-3Figure 4-4Figure 4-5Figure 4-6Figure 4-7Figure 4-8Figure 4-9Figure 4-10Figure 4-11Figure 4-12Figure 4-13Figure 4-14Figure 5-1Figure 5-2Figure 5-3Figure 6-1Cost Estimate Backup CalculationsArroyo Hondo – Alameda Creek Flow Model DevelopmentTechnical Information on Minimum Viable Population SizeApproximate Acreage of Sub-Watersheds and Basins Within the Alameda CreekWatershedDescription of Alameda Creek Diversion Dam and Appurtenant WorksSFPUC Proposed Instream Flow ScheduleSteelhead Passage Element TimingCapital Costs of ACDD Passage Design ComponentsComparison of Predicted Diversion Amounts with and without ScreeningACDD Fish Passage Design Components Annualized CostsACDD Fish Passage Options and Conceptual Annualized Cost ComparisonAlameda Creek WatershedStudy Area and VicinityDaily Average Discharge at the Upper Alameda Creek Flow Gage, 1997 Water YearAlameda Creek Diversion DamAlameda Creek Diversion Dam PlanOutlet of the Alameda Creek Diversion Tunnel at Calaveras ReservoirSFPUC Proposed Instream Flow Schedule and WSIP Program Mitigation MeasureFlowExample Fish Ladder PhotosTwo Potential Fishway Locations at ACDDExample Fish Lift PhotosExample Fish Transport Truck PhotosHaul Route from Confluence to above ACDDRotary Drum ScreenVertical Traveling ScreenSchematic Diagram of Typical Vertical Flat-Plate Fish Screen InstallationTypical Vertical Flat-Plate ScreenTypical Inclined Flat-Plate ScreensVertical Flat-Plate Fish Screen in OperationHorizontal Downward-Sloping Flat Plate ScreenScreen System in the Sediment ChannelScreen System Outside of the Sediment ChannelFlow versus Required Screen AreaPotential Reduction in Diversions Due to Reduced Maximum Diversion Capacity withScreensWater Potentially Required for a Fish Ladder and Fish Screen Bypass at ACDDUpper Alameda Creek BasinACDD Passage June 2009Page iii
Page 1: T E C H N I C A L M E M O R A N D U
Page 6 and 7: Feasibility of Fish Passage at Alam
Page 11 and 12: 1.0 Introduction1 INTRODUCTION1.1 B
Page 13: 24Alamo680DanvilleAlameda CreekWate
Page 18 and 19: oleyriesSanCalaveras Creekalaveras
Page 20 and 21: (a)(b)Alameda Creek Diversion Dam (
Page 23 and 24: 2.0 Setting2.3.2.1 ALAMEDA CREEK DI
Page 25 and 26: 2.0 Settingalmost never submerged;
Page 27 and 28: 2.0 SettingRainbow trout are the sa
Page 29: 2.0 SettingA number of future proje
Page 42 and 43: (a) A view of the navigation lock a
Page 44 and 45: (a) A pickup truck adapted for haul
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Feasibility of Fish Passage at Alam
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Approximately 1.8 miles toCalaveras
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6.0 Additional Considerations and A
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6.0 Additional Considerations and A
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9.0 Report Preparation9 REPORT PREP
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10.0 References10 REFERENCESAACE (A
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10.0 ReferencesHayes, Darrel, 2001.
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10.0 ReferencesSak, B., San Francis
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10.0 ReferencesWDFW (Washington Dep
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Feasibility of Fish Passage at Alameda Creek Diversion Dam

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