FERC Project No. 2079 - PCWA Middle Fork American River Project ...

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Application for New License Middle Fork American River Project (FERC Project No. 2079) BA/BE Figure 22. Potential Effects on Resources from Implementation of the Proposed Action. Project j Operations p Changed Elements: • New instream flow measures • New reservoir minimum pool measures • Installation of Hell Hole Reservoir Seasonal Storage Increase Improvement • MModification difi ti of f small ll diversion di i ddams Project Maintenance Changed Elements: • Hell Hole Dam Spillway gate testing • Vegetation and noxious weed management • Rodent control • SSediment di tand d ddebris b i management t • Facility painting • Power pole replacement/retrofit • Road and trail maintenance • Recreation facility maintenance Proposed Action Project Recreation Facilities ( (non-routine ti recreation ti facility f ilit activities) ti iti ) Changed Elements: • Removal, reduction, and consolidation of recreation ti facilities f iliti • Conversion of facilities to accommodate group use • Enhancement of recreation facilities • Improvements to dispersed concentrated use areas Resulting Conditions: Resulting Conditions: Resulting Conditions: • Change in flows in bypass and peaking • Modified habitat/physical environment • Modified habitat/physical environment reaches • Direct loss or disturbance of resource • Di Direct t lloss or di disturbance t b of f resource • Modified reservoir water surface elevations • Change in level or location of maintenance • Change in facility footprint and/or FERC • Modified diversion pools Project boundary • Modified habitat/physical p y environment • Change in designed use • Change in generation • Increase in Project activities AAvoidance, id protection, t ti and enhancement measures included in management and monitoring plans Geology and Soils Water Use Water Quality Resources Potentially Affected Fish and Aquatic Resources Botanical and Wildlife Resources Riparian Resources February 2011 23 Recreation Resources Land Use Aesthetic Resources Geomorphology Socioeconomic Conditions Air Quality Cultural Resources Tribal Resources Project Facilities ( (modified difi d or new) ) Changed Elements: • Hell Hole Reservoir Seasonal Storage IIncrease Improvement I t • Modified small diversions • Modified outlet works Resulting Conditions: • Modified habitat/physical environment • Di Direct t lloss or di disturbance t b of f resource • Change in facility footprint and/or FERC Project boundary • Increase in Project activities
Application for New License Middle Fork American River Project (FERC Project No. 2079) BA/BE Figure 23. Average Flow Fluctuations in the Peaking Reach for the Proposed Action and No-Action Alternatives in Summer/Fall (Jun-Oct), Winter (Nov-Feb), and Spring (Mar-May). Average Flow Fluctuation (max-min) Average Flow Fluctuation (max-min) Average Flow Fluctuation (max-min) 1200 1000 800 600 400 200 0 1200 1000 800 600 400 200 0 1200 1000 800 600 400 200 0 Spring Critical Dry Blw Normal Abv Normal Wet Summer / Fall Critical Dry Blw Normal Abv Normal Wet Proposed Action No Action Winter Critical Dry Blw Normal Abv Normal Wet February 2011 24 Proposed Action No Action Proposed Action No Action
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Application for New License Middle
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Page 309 and 310: MFP Relicensing Process Application
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June 2008 i TABLE OF CONTENTS Page
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1.0 INTRODUCTION This report presen
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Hell Hole Reservoir (207,590 ac-ft
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PCWA also implements routine mainte
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2.4.2 French Meadows Powerhouse Cap
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3.3 CRLF HABITAT CHARACTERISTICS Av
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Refer to the Draft Physical Habitat
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4.2 KNOWN CRLF RECORDS 4.2.1 Record
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4.4 UPLAND AND AQUATIC HABITAT CHAR
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v-shape to a wider u-shaped cross-s
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The following briefly describes aqu
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composed of small to medium-sized a
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The North and South Fork Long Canyo
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(USDA-FS 2003). The surveyor conclu
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granite wall and a sandbar. The pon
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and: (3) support dense, bramble-for
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———. 2007b. Consulting herpet
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Table 1. Aquatic Habitats in the CR
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Table 3. Upland Vegetation Communit
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Table 5. Data Summary for Large, Mo
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Table 6. Data Summary for Diversion
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APPENDIX B Descriptions of Upland V
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Upper Montane Mixed Chaparral (CX)
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(Quercus lobata), or blue oak, in a
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Willow-Alder (QY) This community is
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Site Assessment reviewed by: (FWS F
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California Red-Legged Frog Habitat
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Placer County Water Agency Middle F
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FINAL List of Tables Table AQ 12 CR
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FINAL 3.1. STUDY ELEMENTS COMPLETED
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FINAL 5.1.2. Night Surveys Four nig
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FINAL Larval and metamorph Pacific
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FINAL Table AQ 12 CRLF-1. Californi
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FINAL FINAL_AQ 12_CRLF_Text_Feb 201
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Alvarez, J. A. 2006. Masticophis la
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J. ALVAREZ Jones and Stokes Associa
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Peter J. Graf Research Assistant -
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Page 2 of 3 Ann M. Crisp (FERC) for
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FINAL APPENDIX C California Red-leg
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FINAL Ralston Ridge Pond Field Surv
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FINAL Survey results reviewed by: (
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FINAL Horseshoe Pond C Field Survey
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FINAL Horseshoe Pond E Field Survey
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FINAL Horseshoe Pond F Field Survey
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FINAL Representative Habitat Photog
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