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Draft Environmental Impact Report
Canyon Rock Quarry Expansion Project

A Notice of Completion has been prepared and his project is set for Public Hearing at 1:10 p.m. on June 3, 2004. The hearing will be held in the the Planning Commission Hearing Room at 2550 Ventura Avenue, Santa Rosa.

Due to size/download time this report has been broken into individual sections.  A complete copy is also available at the bottom of this page, but is only recommended for those with a DSL or T1 connection.

Copies of this document are also available for viewing in the Permit and Resource Management Department front lobby, Forestville Chamber of Commerce, and the Central Santa Rosa, Sebastopol, Guerneville and Forestville branches of the Sonoma County Public Library system.

These documents are saved in Adobe Acrobat Acrobat Document format. Visit our download page for a free copy of Acrobat Reader.

  Table of Contents 21 kb
I Introduction 38 kb
II Summary 171 kb
III Project Description 75 kb
  Fig. 1 Site Location Map 552 kb
  Fig. 2 Project Site and Vicinity 408 kb
  Fig. 3 Ownership of Site and Vicinity 387 kb
  Fig. 4 Existing Uses and Proposed Mining Areas on Project Site 557 kb
  Fig. 5 Western Expansion Option-Site Map 498 kb
  Fig. 6 Western Expansion Option-Final Grading (Large File Size) 1.1 MB
  Fig. 7 Western Expansion Option-Cross Sections 82 kb
  Fig. 8 Western Expansion Option-Site Drainage and Sediment Control 493 kb
  Fig. 9 Western Expansion Option-Reclamation Planting 544 kb
  Fig. 10 Northern Expansion Option-Site Map 562 kb
  Fig. 11 Northern Expansion Option-20-Year Grading Plan 574 kb
  Fig. 12 Northern Expansion Option-Cross Sections 144 kb
  Fig. 13 Northern Expansion Option-Mine Staging 571 kb
  Fig. 14 Northern Expansion Option-Site Drainage and Sediment Control 561 kb
  Fig. 15 Northern Expansion Option-Reclamation Planting 560 kb
IV Project Description 494 kb
  Fig. A-1 Area Map 110 kb
  Fig. A-2 Lane Geometrics and Intersection Control Existing (Year 2001) and Year 2021 99 kb
  Fig. A-3 Base Case October Weekday AM and PM Peak Hour Volumes 104 kb
  Fig. A-4 Base Case October Saturday Peak Hour Volumes 97 kb
  Fig. A-5 Existing (2001) Pedestrian and Bicycle Volumes 98 kb
  Fig. A-6 Year 2021 Cumulative October Weekday (Average Production Day) AM and PM Peak Hour Volumes 102 kb
  Fig. A-7 Year 2021 Cumulative October Saturday (Average Production Day) Peak Hour Volumes 98 kb
  Fig. A-8 Year 2021 Cumulative October Weekday AM and PM Peak Hour Volumes (Peak Production Day) 102 kb
  Fig. A-9 Year 2021 Cumulative October Saturday Peak Hour Volumes (Peak Production Day) 98 kb
  Fig. C-1 Existing Off-Site Residences in Vicinity of Project Site 144 kb
  Fig. C-2 Location of Long-Term (LT), Remote Short-Term (ST), and Long-Term Traffic (LTT) Noise Measurements 153 kb
  Fig. C-3 Location of Short-Term Measurements on Quarry Floor near Various Operations 818 kb
  Fig. D-1 Regional Hydrology 421 kb
  Fig. D-2 Hydrology on Site in Vicinity of Green Valley Creek 636 kb
  Fig. D-3 Vicinity Well Locations 305 kb
V Environmental Setting, Impacts and Mitigiation Measures for Northern Expansion Option Only 442 kb
  Fig. B-1 Regional Geologic Map 957 kb
  Fig. B-2 Regional Fault Map 290 kb
  Fig. D-1 Existing Vegetation 322 kb
  Fig. E-1 Short-Range Views

634 kb
  Fig. E-2 Short-Range Views 856 kb
  Fig. E-3 Short-Range Views 497 kb
  Fig. E-4 Long-Range Views 785 kb
  Fig. E-5 Long-Range Views

723 kb
VI Environmental Effects of Potential Subsequent Mining Beyond the Proposed 20-year Limit of Grading 18 kb
VII Alternatives 112 kb
VIII Impact Overview 29 kb
IX Report Preparation 13 kb
Appendices  
A Notice of Preparation 334 kb
B Summary of Written Responses to the Notice of Preparation 19 kb
C Initial Study and Mitigaiton Measures/Conditions of Approval for Western Expansion Option 182 kb
D Hydrology and Water Quality (Large File Size) 4.2 MB
E Air Quality 706 kb
F Noise (Large File Size) 1.5 MB
G Biological Resources 89 kb
H Traffic and Transportation 522 kb
I Aggregate Demand, Production and Supply in Sonoma County 61 kb
Complete Copy of Draft Environmental Impact Report (Large File Size) 20.7 MB

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