Reports & Data

Priorities & Objectives

• Priorities, Objectives & Metrics

Scenario Development & Analysis

• Approach to Analysis
• Preliminary Concepts
• Approach to Watershed Modeling

Evaluation Criteria

• Bird Habitat Suitability Criteria
• Salmon Habitat Suitability Criteria
• Secondary Productivity and Export Criteria

Modeling Results

These model runs are not intended to be proposed projects. These model runs are intended to inform land managers of their decision-making.

Butte Basin Operable Gate Concepts Animations 

• Baseline Model Results – Butte Upper Region 
• Baseline Model Results –Butte Middle Region 

Baseline Model Results – Butte Lower Region 

Geographic Area: From Gridley Colusa Highway to Hwy 20, including Moulton and Colusa Weirs. Time Period: October – July of each year

• 2003 Baseline Model Results
• 2011 Baseline Model Results
• 2013 Baseline Model Results
• 2015 Baseline Model Results
• 2019 Baseline Model Results

Butte Notch Animations

• Butte Basin – Moulton Weir Operable Gate 1000 cfs Action
• Butte Basin – Moulton Weir Operable Gate 2000 cfs Action
• Butte Basin – Moulton Weir Operable Gate 3000 cfs Action
• Butte Basin – Moulton Weir Operable Gate 6000 cfs Action
• Butte Basin – Colusa Weir Operable Gate 2000 cfs Action 
• Butte Basin – Colusa Weir Operable Gate 3000 cfs Action 
• Butte Basin – Moulton & Colusa Weir Operable Gates 2000 cfs Action 
• Butte Basin – Moulton & Colusa Weir Operable Gates 3000 cfs Action 

Colusa Basin Operable Gate Concepts Animations

• Colusa Basin – Higher Wallace Weir Management + 1000 cfs Notch Actions 
• Colusa Basin – Higher Wallace Weir Management + 2000 cfs Notch Actions 
• Colusa Drain 1k Notch + Higher Wallace & Davis Weir Management
• Colusa Drain 2k Notch + Higher Wallace & Davis Weir Management

Science Needs

• Summary Table – Chinook Salmon Science Uncertainties and Data Needs
• Coming Soon: Chinook Salmon Science Uncertainties Technical Memorandum

List of Appendices

1. Priorities & Objectives & Metrics Memorandum
2. Communications and Engagement Plan
3. Existing Conditions Technical Memorandum
4. Opportunities, Constraints, and Considerations Memorandum
5. Hydrodynamic Model
6. Salmon Benefits Model
7. Waterfowl Bioenergetics Model
8. Shorebird Bioenergetics Model
9. Juvenile Rearing Evaluation Criteria
10. Bird Habitat Evaluation Criteria
11. Secondary Productivity / Export Evaluation Criteria
12. Managed Wetlands and Waterfowl Hunting Impacts Evaluation Criteria
13. Agricultural Suitability Criteria
14. Baseline Results
15. Juvenile Salmon Rearing Habitat Enhancement Opportunities within the Sacramento River Corridor
16. Sanborn Slough Bifurcation Structure Flow Measurements
17. Benden Farms Enhancement Opportunities
18. Decision Support Tool for Fish Food Inventory
19. Floodplains Reimagined: Fish Science Uncertainties and Recommended Data Needs