Environmental Impact Reports (EIR)

Case Number: LU10-0003 – Pacific Rock Mine, CA Mine ID: 91-56-0011

Applicant: Pacific Rock, Inc.

Location:  1000 South Howard Road, Unincorporated Ventura County outside of the City of Camarillo

APNs: 234-0-060-220 and 234-0-060-190

Public Hearing Date and Time: August 14, 2025, 8:30 AM

Public Hearing Location: 800 S. Victoria Avenue, Ventura, CA 93009, County Government Center, Hall of Administration, Board of Supervisors Hearing Room and online via Zoom

(Click here to see the Planning Commission Agenda including the Staff Report and associated attachments)

Project Description: The applicant requests a modification to existing Conditional Use Permit (CUP) No. 3817-3 to amend the current reclamation plan and to allow for the expansion of the existing mining area, to extend the life of the permit for an additional 60-year period, extend the operational days from 6 to 7 days per week, allow construction and mobile mining equipment in outdoor storage areas, operate a concrete and asphalt recycling plant, allow for imported material to be used in reclamation fill and to replace an existing mobile home to be used as a 24-hour security trailer. The project also includes a discretionary tree permit for the removal of protected trees associated with the mine expansion.

Background: On August 23, 2017, the Planning Division distributed a Notice of Preparation (NOP) of the EIR and provided a 30-day comment period from August 30, 2017, to October 2, 2017.

On November 20, 2020, the Planning Division distributed a Notice of Availability (NOA) for a draft EIR (DEIR) and provided a 45-day comment period from December 1, 2020, and January 15, 2021

The Planning Division distributed a Notice of Availability (NOA) for a Partial Recirculated Draft EIR (PRDEIR) and provided a 45-day comment period from October 26, 2022, to December 9, 2022.

Based on the analysis presented in the DEIR and PDEIR, the project would result in potentially significant but mitigable impacts to Air Quality, Greenhouse Gasses, Biological Resources, Cultural Resources, Geology, and Soils, Noise, Water Resources, Hazards and Public Safety, Land Use and Planning and potentially significant but unavoidable impacts to Visual Resources.

Public Review Documents:

• Final Environmental Impact Report (FEIR)
  • Final project description
  • Summary of impacts and mitigation measures
  • Responses to comments on the DEIR and PDEIR
  • Revisions to the DEIR and PDEIR)
• Final EIR Appendices I-1 through K
  • Appendix I-1. Comments on DEIR
  • Appendix I-2. Comments on PRDEIR
  • Appendix J. Section 3.5 – Biological Resources Errata
  • Appendix C-4. Drainage Calculations
  • Appendix C-5. Mountain Lion Technical Memorandum
  • Appendix C-6. Biological Resources Assessment for Change from 30- to 60-year Permit Extension
  • Appendix K. Memorandum Regarding Health Risk Assessment for Change from 30- to 60-year Permit Extension
• Draft Environmental Impact Report (DEIR)
• DEIR Appendix A-1 through B-2
  • Appendix A-1 – Pacific Rock Quarry Mine Project
  • Appendix A-2 – Comments on Pacific Rock Quarry Mine Expansion Project
  • Appendix A-3 – Scoping Meeting Sign-In and Notes
  • Appendix B-1 – Air Quality, Health Risk and Climate Change Impact Assessment
  • Appendix B-2 – Supplemental Air Quality and Greenhouse Gas Emissions Evaluation and Health Risk Screening
• DEIR Appendix C-1 through D-2
  • Appendix C-1 – Initial Study Biological Assessment Report for Pacific Rock
  • Appendix C-2 – June 2018 Rare Plant Survey and Burrowing Owl Habitat
  • Assessment Results Memorandum
  • Appendix D-1- Updated Geologic and Geotechnical Review Report
  • Appendix D-2 – Custom Soil Report for Ventura Area, California
• DEIR Appendix E through Appendix H
  • Appendix E – Noise and Groundborne Vibration Impact Assessment
  • Appendix F-1 – Pacific Rock Quarry Expansion Project Transportation Impact Study
  • Appendix F-2 – VCAPCD Data for Pacific Rock Quarry, Extec Usage 2015-2016
  • Appendix G – Water Quality Impact Assessment, Storage and Use of Blasting Agents
  • Appendix H – Response to Pacific Rock Quarry
• Partially Recirculated Draft Environmental Impact Report (PRDEIR)