Revision No. 2 to Surface Mining Permit No. 159R2 (SMP 159R2)

2 Documents in Project


SCH Number
Lead Agency
Riverside County
Document Title
Revision No. 2 to Surface Mining Permit No. 159R2 (SMP 159R2)
Document Type
EIR - Draft EIR
Project Applicant
Chandler Aggregates, Inc.

Document Description
The Project site is located northeast of Gilman Springs Road, with the entrance to the mine occurring approximately 0.6 mile southeast of the intersection of Gilman Springs Road and Bridge Street. The Project consists of the proposed second revision to Surface Mining Permit No. 159 (SMP 159R2). Approval of SMP 159R2 would allow for the expansion of areas permitted for mining by 54.5 acres, resulting in approximately 204.9 acres permitted for mining activities; an increase mining reserves from approximately 14,000,000 tons to 44,000,000 tons, representing an increase of approximately 30,000,000 tons; the operation of an Inert Debris Engineered Fill Operation (IDEFO) to facilitate ultimate site reclamation; the establishment of a revised reclamation plan in compliance with the Surface Mining and Reclamation Act of 1975 (SMARA, Public Resources Code § 2710 et seq.) and Riverside County Ordinance No. 555; and revisions to the Mine’s timing restrictions for mining activities within 300 feet of the Mine’s boundaries from between 7:00 a.m. and 10:00 p.m., Monday through Saturday except holidays, to 24 hours per day, seven days per week including Sundays and federal holidays.

Contact Information
Dionne Harris
County of Riverside
4080 Lemon Street. 12th Floor
Riverside, CA 92502

Phone : (951) 955-6836


33°52'52"N 117°2'25"W
Moreno Valley
Cross Streets
northeast of Gilman Springs Road, 0.6 mile northeast of its intersection with Bridge Street
Total Acres
State Highways

Notice of Completion

Review Period Start
Review Period End
Development Type
Mining (Aggregate Mineral)
Local Action
SMP Revision
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Geologic/Seismic Noise Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Cumulative Effects
Reviewing Agencies
California Air Resources Board California Department of Fish and Wildlife, Inland Deserts Region 6 California Department of Parks and Recreation California Department of Transportation, District 8 California Department of Water Resources California Governor's Office of Emergency Services California Highway Patrol California Native American Heritage Commission California Natural Resources Agency California Regional Water Quality Control Board, Santa Ana Region 8 Office of Historic Preservation State Water Resources Control Board, Division of Drinking Water California Department of Resources Recycling and Recovery California Department of Conservation


Environmental Document
Appendix B1 - Air Quality Report   PDF 11726 K Appendix B2 - Supplemental AQ & GHG Letter   PDF 432 K Appendix C1 - Biological Report   PDF 4835 K Appendix C2 - Jurisdictional Delineation   PDF 3986 K Appendix C3 - DBESP   PDF 8496 K Appendix D - Slope Stability Investigation   PDF 35333 K Appendix E - Greenhouse Gas Analysis   PDF 1087 K Appendix F - Phase I Arch Report   PDF 5720 K Appendix G1 - Preliminary Hydrology Study   PDF 67392 K Appendix G2 - SWPPP   PDF 20761 K Appendix H1 - Noise Study   PDF 7196 K Appendix H2 - Supplemental Noise Assessment   PDF 770 K Appendix I - PRIMP   PDF 3978 K Appendix J1 - Traffic Impact Analysis   PDF 17704 K Appendix J2 - Supplemental Traffic Assessment   PDF 5969 K Appendix J3 - Driveway Queuing Analysis   PDF 191 K Appendix K - Energy Analysis   PDF 1197 K CDFW Gilman Springs Mine SCH No   PDF 4430 K City of Moreno Valley   PDF 101 K Department of CHP   PDF 4241 K Gilman Springs (SMP 159R2) PR Draft EIR (2020-01-22)   PDF 109932 K Gilman Springs Mine Expansion IS Public Review Draft (2018-05-14)   PDF 21454 K Letter of Concern Mr   PDF 29 K Letter of Conern Mr   PDF 40 K Riverside County Transportation   PDF 146 K SCAQMD RVC180517-01 NOP Gilman Springs Mine   PDF 201 K Sierra Club   PDF 117 K SMP 159R2_NOP (Agency)   PDF 70 K SMP 159R2_NOP (Surrounding POs)   PDF 70 K Summary_Form_for_Document_Submittal   PDF 593 K
NOC   PDF 889 K
State Comments
2018051029_Conservation Comments   PDF 531 K 2018051029_D318 EIR Revision No 2 to Surface MIning Permit Cmt Ltr   PDF 138 K

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