Definite Plan for the Lower Klamath Project

 

On June 28, 2018, KRRC submitted the “Definite Plan for the Lower Klamath Project” with the Federal Regulatory Energy Commission (FERC) for the proposed removal of J.C. Boyle, Copco 1, Copco 2, and Iron Gate dams.

The Definite Plan is organized into the following sections:

  • Executive Summary
  • Chapter 1: Objectives and Background
    • 1.1 Objectives
    • 1.2 Project Description
    • 1.3 Compliance with Applicable Laws
    • 1.4 Elevations and Measurement Corrections
    • 1.5 Document Organization
  • Chapter 2: Existing Feature Descriptions
    • 2.1 J.C. Boyle Dam and Powerhouse
    • 2.2 Copco No. 1 Dam and Powerhouse
    • 2.3 Copco No. 2 Dam and Powerhouse
    • 2.4 Iron Gate Dam and Powerhouse
  • Chapter 3: FERC Compliance and Dam Safety
    • 3.1 Board of Consultants
    • 3.2 Part 12 Requirements
    • 3.3 FERC Required Plans and Submittals
  • Chapter 4: Reservoir Drawdown and Diversion Plan
    • 4.1 Introduction
    • 4.2 Diversion Facilities
    • 4.3 Flood Frequency Analysis
    • 4.4 Summer Flow Frequency Analysis
    • 4.5 Drawdown Timing
    • 4.6 Reservoir Drawdown Releases
    • 4.7 Monitoring During Reservoir Drawdown
    • 4.8 Best Management Practices (BMPs) to Implement During Reservoir Drawdown
    • 4.9 Stability of Reservoir Rim
    • 4.10 Potential for Effects Downstream of the Project
  • Chapter 5: Dam Removal Approach
    • 5.1 Introduction
    • 5.2 J.C. Boyle Dam and Powerhouse
    • 5.3 Copco No. 1 Dam and Powerhouse
    • 5.4 Copco No. 2 Dam and Powerhouse
    • 5.5 Iron Gate Dam and Powerhouse
  • Chapter 6: Reservoir and Other Restoration
    • 6.1 Reservoir Restoration
    • 6.2 Restoration Activities outside of Reservoir
  • Chapter 7: Other Project Components
    • 7.1 Overview
    • 7.2 Aquatic Resources
    • 7.3 Terrestrial Resources Measures
    • 7.4 Road Improvements
    • 7.5 Yreka Water Supply
    • 7.6 Recreation Facilities Removal & Draft Plan
    • 7.7 Downstream Flood Control Improvements
    • 7.8 Fish Hatchery Plan
    • 7.9 Cultural Resources Plan
    • 7.10 Other Plans
  • Chapter 8: Project Costs and Schedule
    • 8.1 Objectives
    • 8.2 Cost Categories
    • 8.3 Construction Procurement Approach
    • 8.4 Basis of Estimate
    • 8.5 Estimate Results Summary
    • 8.6 Construction Schedule
  • Chapter 9: References

Appendices to the Definite Plan:

  • Appendix A Risk Management Plan
  • Appendix B Figures – Redacted as Critical Energy Infrastructure Information
  • Appendix C Figures – Other
  • Appendix D Dam Stability Analyses
  • Appendix E Reservoir Rim Stability Analyses
  • Appendix F Reservoir Drawdown Analysis
  • Appendix G Copco Foundation Removal
  • Appendix H Reservoir Area Management Plan
  • Appendix I Aquatic Resources Measures
  • Appendix J Terrestrial Resources Measures
  • Appendix K Road and Bridge Structure Data and Long-Term
    Improvements
  • Appendix L Cultural Resources Plan
  • Appendix M Water Quality Monitoring Plan
  • Appendix N Groundwater Well Management Plan
  • Appendix O Construction Related Plans
    • O1 Fire Management Plan
    • O2 Traffic Management Plan
    • O3 Hazardous Materials Management Plan
    • O4 Emergency Response Plan
    • O5 Noise and Vibration Control Plan
  • Appendix P Estimate of Project Costs Report
  • Appendix Q Draft Recreation Plan

Download the Definite Plan

For faster downloads, the Definite Plan has been separated into smaller file sizes.

Resources

Physical copies are available at the following locations:

  • College of the Siskiyous Library (800 College Ave Weed, CA 96094)
  • Siskiyou County Library (719 4th St, Yreka, CA 96097)
  • Klamath County Library (126 South 3rd St, Klamath Falls, OR 97601)
  • Klamath Tribes Tribal Office (501 Chiloquin Blvd. Chiloquin, OR 97624)
  • Humboldt County Library – Eureka (1313 3rd St Humboldt, CA 95501)
  • Humboldt State University Library (1 Harpst St, Arcata, CA 95521)
  • Southern Oregon University Library (1250 Siskiyou Blvd Ashland, OR 97520)
  • Del Norte County Library – Crescent City (190 Price Mall Crescent City, CA 95531)
  • College of the Redwoods – Eureka Campus Library (7351 Tompkins Hill Rd, Eureka, CA 95501)
  • College of the Redwoods – Del Norte Library (883 West Washington Blvd Crescent City, CA 95531)
  • Hoopa Valley Tribe (761 Loop Road Hoopa, CA 95546)