Power Generation - Big Creek Hydro

2002 Draft Technical Study Report Package

Southern California Edison (SCE) is pleased to present for your review and comment the following 2002 Draft Technical Study Report Package (2002 DTSRP) for the Big Creek Hydroelectric Projects (FERC Project Nos. 67, 120, 2085, and 2175). The 2002 DTSRP presents the results of study elements completed in 2001-2002 as part of implementing the Final Technical Study Plan Package (FTSPP) approved by the Big Creek Collaborative (BCC). The technical studies are necessary to gather information that will be used to assess the environmental effects of relicensing SCE's Big Creek Hydroelectric Projects and to identify potential protection, mitigation, and enhancement measures. The distribution of the 2002 DTSRP is a key milestone in SCE's Alternative Licensing Process (ALP) for the Big Creek Hydroelectric Projects.

The technical study plans were developed and approved over a 15-month period (May 2001 – July 2001) in collaboration with numerous stakeholders, collectively referred to as the BCC. These stakeholders participate as individuals, or as representatives of state and federal resource agencies, Native American tribes, local and regional authorities, non-government organizations, local communities, and local businesses.

TERR-1 Vegetation Communities (Zip)

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Appendix A - Big Creek Vegetation Mapping
Big Creek Area Map 1
Big Creek Area Map 2
Big Creek Area Map 3
Big Creek Area Map 4
Big Creek Area Map 5
Big Creek System Map
Legend
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TERR-2 Invasive/Exotic Plant Species (Zip)

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Appendix A to C - List of Facilities to be Surveyed in 2003TERR-02_Fig1a
TERR-02_Fig1b
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Table-TERR-2-1 Invasive/Exotic Species Potentially Occuring in the Big Creek ALP Project Area

TERR-3 Special-Status Plant Populations (Zip)

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Appendix A - California Native Plant Society Electronic Inventory Query for the Big Creek ALP Study Area
Appendix B - California Natural Diversity Database Query for the Big Creek ALP Study Area
Appendix C - Regional Forester's List of Sensitive Plant and Animal Species for Region 5
Appendix D - USFWS Species List for Proposed SCE Relicensing of Seven Big Creek Hydropower Projects, FERC Nos. 67, 120, 20285, 2175, 2086, 2174, 2017, Fresno and Madera Counties, California
Appendix E to I - Sierra National Forest Sensitive Plant List, Special-Status Plants Potentially Occurring within the Study Area, Special-Status Plant Species Blooming Periods by Elevation Range, List of Project Facilities, Project-Related Recreational Facilities, Project Roads, and Project Trails Surveyed for Special-Status Plant Populations, Invasive/Exotic Plants, Native American Plants, and Valley Elderberry Longhorn Beetle
Appendix J
Appendix K to M - Photographs of Special-Status Plant Species Observed in the Big Creek ALP Study Area, Summary Results of Special-Status Plant Surveys by Plant Species, Locations of Special-Status Plant Populations Occurring within the Study Area
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TERR-4 Native American Plans (Zip)

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TERR-5 Common And Special-Status Wildlife Species (Zip)

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Appendix A - Special-Status Wildlife Species
Appendix B - California Native Species Field Survey Forms
Appendix C - Incidental Observations of Special-Status and Other Wildlife Species for the Big Creek ALP

TERR-6 Valley Elderberry Longhorn Beetle (Zip)

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Appendix A to C - USFWS Conservation Guidelines for Valley Elderberry Longhorn Beetle, Representative Photographs of Canyon Road, Results of VELB Habitat Mapping and Protocol-Level Surveys
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TERR-7 Migratory Waterfowl (Zip)

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Table TERR-7-1 Migratory Waterfowl Species Occurring in the Study Area

TERR-8 Raptors (Zip)

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TERR-08_Fig1a
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TERR-9 Bald Eagle And Osprey (Zip)

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Appendix A to B - CDFG California Bald Eagle Nesting Territory Survey Forms, Bald Eagle and Osprey Nest Detections
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TERR-10 Great Gray Owl (Zip)

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Appendix A - USDA-FS Protocol for the Great Gray Owl in the Sierra Nevada of California (Beck and Winter 2000)
Appendix B - Terrestrial Resources Working Group, April 10, 2002, Final Meeting Notes
Appendix C - Great Gray Owl Survey Information
Appendix D - Great Gray Owl Field Visit Forms
Appendix E - CNDDB California Native Species Field Survey Forms
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TERR-10_Fig5

TERR-11 Riparian-Nesting Songbirds

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TERR-12 Special-Status Bat Species

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Appendix A to D - List of Project Facilities Where Roost Surveys Were Conducted for Special-Status Bat Species, Special-Status Bat Roost Survey Results, Special Status Bat Mist-Netting Survey Results, Special-Status Bat Acoustic Survey Results
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Table TERR-12-1 Method of Detection Reliability for Special-Status Bat Species

TERR-13 Mesocarnivores

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TERR-14 Mule Deer

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Appendix A to C - Mule Deer Literature Review, Mule Deer Observation Study, Spring 2003 Remote Camera Study Results
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TERR-15 Other Game

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TERR-15_Fig1a
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TERR-15_Fig1c
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Table TERR-15-1 Game Species Potentially Occurring in the Study Area

REC-3 Whitewater Recreation Assessment Study (Zip)

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Appendix A to D - Single-Flow Whitewater Study Boater Evaluation Form, Boater Profile Form, Study Event Boater Log, SCE Letter to USFWS, March 25, 2002
Appendix E - Mono Creek Single-Flow Study Boater Evaluation Forms, Boat Profile Forms and Boater Log
Appendix F to I - Comparable Whitewater Runs, Mono Creek Single Flow Study and Helicopter Reconnaissance of Potential Whitewater Resources Summary of Field Observations, NF Stevenson Creek and Big Creek Reconnaissance Level Walking Surveys, Recreational Resources Working Group, September 10, 2002, Approved Meeting Notes
Table 1 - List of Potential Whitewater Resources in the Big Creek Basin; Table 2 - Whitewater Runs Considered for Single Flow Studies
REC-3_Fig1

REC-8 Angling Opportunities And Experience Assessment (Zip)

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Appendix A to C - Sampling Angling Opportunities and Experience Assessment Survey Form, Sample Survey Technician Log Forms, Survey Schedule Spreadsheets and Calendar
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REC-8_Fig1c
REC-8_Fig1d
REC-8_Fig1e
REC-8_Fig2
REC-8_Fig3
Table REC-8-1 to REC-8-34

REC-9 Recreation Resources And Facility Inventory Assessment (Zip)

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Appendix A - Example Recreation Facility Inventory Form
Appendix B - Exampale Recreation Facility Condition Assessment Form
Appendix C - Field Inventory and Condition Assessment Data Sheets
Appendix D - Selected Recreation Facility Feature Condition Photos
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Table REC-9-1 to REC-9-4

REC-10 Recreation Opportunities And Needs Assessment (Developed) (Zip)

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Appendix A to D - Sample Summer Recreation Use Survey Form, Survey Locations, Sample Survey Technician Log Forms, Spreadsheet Used to Generate Survey Dates
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Table REC-10-1 to REC-10-20

REC-11 Compliance With ADA Assessment (Zip)

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Appendix A - Recreation Facility Condition Assessment Form
Appendix B - Selected Photos of ADA Style and Non-Compliant Recreation Facility Features
Table REC-11-1 to REC-11-2

REC-12 Hunting (Zip)

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REC-12_Fig1a
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REC-12_Fig1d
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Table REC-12-1 Summary of Potential Hunter Access Areas Determined through GIS

REC-21 Winter Recreation (Zip)

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Appendix A to C - Winter Recreation Survey Telephone Interview Notes, Example Winter Recreation Use Self-Census Survey Questionnaire, Winter Recreation Survey Raw Data Responses
REC-21_Fig1
REC-21_Fig2
Table REC-21-2 to REC-21-23

LAND-6 Traffic/Circulation Study (Zip)

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Appendix A - 2000 Traffic Monitoring Data
Appendix B - 2002 Traffic Monitoring Data
Appendix C - Vehicle Characterization Data
Appendix D - SCE Vehicle Log Data
Appendix E - Comparison of SCE Vehicle Use and Daily Traffic Totals by Monitoring Counter
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LAND-06_Fig1b
LAND-06_Fig1c
LAND-06_Figs2 to 22
Table LAND-6-1 to LAND-6-11

LAND-9 Visual Quality Assessment (Zip)

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Appendix A - Key Observation Point Photos
Appendix B to D - Capacity Related Photos from Huntington Lake
Appendix C - Capacity Related Photos from Florence Lake
LAND-9_Fig1
Table LAND-9-1 to LAND-9-2

CAWG-1 Characterize Stream And Reservoir Habitats (Zip)

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Appendix A to E - Hawkins et al. (1993) Level I and Level II Habitat Classifications, Habitat Types and Codes Adapted From McCain et al. (1990), Large Woody Debris, Consultation Documentation, Reach Mesohabitat Typing Completed from Aerial Photography
CAWG-1_Figs1to109
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CAWG-1_Map07
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CAWG-1_Map09
CAWG-1_Map10
CAWG-1_Map11
CAWG-1_Map12
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CAWG-1_Map14
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CAWG-1_Map16
CAWG-1_Map17
Table CAWG-1-1 to CAWG-1-299

CAWG-2 Geomorphology (Zip)

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Appendix A - Compilation of Photographs Collected During 2002 Ground Surveys
Adit 8 Creek
Balsam Creek
Bear Creek
Bolsillo Creek
Camp 62 Creek
Chinquapin Creek
Crater Creek
Crater Diversion Channel
Ely Creek
Hooper Creek
Mono Creek
NF Stevenson Creek
North Slide Creek
Pitman Creek
Rock Creek
Ross Creek
South Slide Creek
Stevenson Creek
Tombstone Creek
Appendix B - Level I Geomorphic Classification and Candidate Reference Reach Assessment
Geomorph Reaches
Geomorph References
Geomorph Watersheds
Index Map
Appendix C - Aerial Reconnaissance Field Survey Data Form and Ratings/Guidelines
Appendix D - Ground Survey Reconnaissance Field Survey Data Form
Appendix E - Completed Field Survey Data Forms-Ground/Aerial

2002 Aerial Survey Data (Zip)

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2002 Ground Survey Data (Zip)

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CAWG-2 Information (Zip)

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CAWG-3 Flow-Related Physical Habitat In Bypass Reaches (Zip)

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Appendix A to D - Measured Velocities and Depths at Wetted Perimeter Transects, Wetter Perimeter vs. Flow Plots and Transect Profiles and Measured Water Surface Elevations, Model Calibration Results, Depth and Velocities for Bolsillo Creek Food Transport Analysis
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CAWG-03 Table 1 to 7

CAWG-4 Chemical Water Quality (Zip)

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Appendix A to G - Overview of Water Quality Parameters, STORET, Water Quality Data, Shaver Lake 1975, Basin Plan Objectives, Calculated Ammonia Concentration Criteria Per National Toxics Rule Guidelines, Calculated Metals, Concentration Criteria Per National Toxics Rule Guidelines, Narrative Summaries of Monthly Reservoir/Forebay Profiling, Summary Table of In-Situ Reservoir/Forebay Profile Measurements (by month)
Appendix H - Summary Figures of In-Situ Reservoir/Forebay Profile Measurements (by month)
Appendix I to J - Quality Assurance/Quality Control Summary Table of Laboratory Analytical Data, Tables of Trace Values and Hardness-based Water Quality Criteria for Copper, Lead, Mercury, Silver, and Zinc
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CAWG-04 Table 1 to 15

CAWG-7 Characterize Fish Populations (Zip)

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CAWG-8 Amphibians And Reptiles (Zip)

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Appendix A to B - Amphibian and Reptile Stream Physical Habitat Query Comparison, Methodologies Approved by the Subgroup and CAWG
Appendix C - California Red-Legged Frog Site Assessment
Appendix C-Figure 1
Appendix C-Figure 2
Appendix C-Figure 3
Appendix C-Figure 4
Appendix D to H - Ground Survey Results, Habitat Suitability and Segment Quality Charts for the Foothill Yellow-Legged Frog, Habitat Suitability and Segment Quality Charts for the Mountain Yellow-Legged Frog, Habitat Suitability and Segment Quality Charts for the Yosemite Toad, Habitat Suitability and Segment Quality Charts for the Western Pond Turtle
Appendix I to M - Foothill Yellow-Legged Frog Data Forms, Photographs of Sites Sampled for the Foothill Yellow-Legged Frog, Photographs of Species Detected During Surveys, Mountain Yellow-Legged Frog Data Forms, Photographs of Sites Sampled for the Mountain Yellow-Legged Frog
Appendix N to Q - Yosemite Toad Data Forms, Photographs of Sites Sampled for the Yosemite Toad, Western Pond Turtle Data Forms, Photographs of Sites Sampled for the Western Pond Turtle
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CAWG-08_Fig11c
CAWG-08_Figs12to14
CAWG-08 Table 1 to 22

CAWG-11 Riparian (Zip)

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Appendix A to F - Potential Riparian Encroachment Example, Representative Photographs of Riparian Vegetation Communities, Riparian Vegetation Communities Present within the Big Creek ALP Project Area by Elevation, Dominant Species Typically Found in the Riparian Communities Identified within the Project Area, Historical Aerial Photography for Review, Preliminary Riparian Data
CAWG-11_Fig1a
CAWG-11_Fig1b
CAWG-11_Fig1c
CAWG-11 Table 1 to 2

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