Amador County
Home MenuIone Quarry Expansion Project Use Permit Amendment and Reclamation Plan Amendment for Specialty Granules (Ione), LLC (SGI)
Ione Quarry (SGI) Expansion
October 14, 2025 Planning Commission Materials available here
Final EIR (FEIR)-September, 2025
SGI EIR _Final Environmental Impact Report_August 2025
SGI Ione Quarry_Reclamation Plan_Feb 2021_Rev. August 2025-compressed
September 10, 2024 Powerpoint Presentation- Benchmark Resources
September 10, 2024 Slides Presentation- Specialty Granules (Ione) - SGI
Notice of Availability for the DraftNOA_24.07.31 EIR
Draft EIR (DEIR)- July, 2024
Volume 2a EIR Appendices (A-I) part 1 of 6
Volume 2b EIR Appendices (A-I) part 2 of 6
Volume 2c EIR Appendices (A-I) part 3 of 6
Volume 2d EIR Appendices (A-I) part 4 of 6
Volume 2e EIR Appendices (A-I) part 5 of 6
Volume 2f EIR Appendices (A-I) part 6 of 6
Reclamation Plan Completeness Letter Issued to CA Division of Mine Reclamation (DMR) July 31, 2024
Application Materials
1_County UP Application Form_Ione Quarry_Signed 2021-02-02
2_Project Description - Ione Quarry_February 2021
3_Reclamation Plan - Ione Quarry_February 2021
4.1_Technical Study - Ione Quarry_Biological Resources Assessment
4.2_Technical Study - Ione Quarry_Wetland Delineation Report
4.3_Technical Study - Ione Quarry_Cultural Resources-1-29
4.4_Technical Study - Ione Quarry_Geology and Soils
4.5_Technical Study - Ione Quarry_Hydrology and Water Quality
4.6_Technical Study - Ione Quarry_Noise
Cal West Rock Products, Inc.- Ione Quarry Project- CUP and Rec Plan 1989
NOP, Early Consultation, Scoping Notice.docx