White Knob-White Ridge Limestone Quarries Expansion

White Knob-White Ridge Limestone Quarries Expansion

The Amended Plan would expand operations at the White Knob/White Ridge Limestone Quarries. The Amended Plan includes expansion of the three existing quarries and the existing overburden (OB) site, the creation of two new OB sites, and the expansion of the ancillary disturbance limits, which include haul and access roads, sediment basins and other erosion control features, storage pads, crusher location, west slope impacts, and incidental impacts from boulder roll-down. In addition, the proposed project would increase operational years of the quarries by 24 years from the existing permit expiration date of 2031 to the year 2055. The total existing permitted operational area is 145 acres. The Amended Plan would add 190.1 acres, for a total permitted operational area of approximately 375.1 acres. The amendment does not propose any new quarries.

San Bernardino

Air Resources Board, Major Industrial Projects, California Department of Conservation (DOC), California Department of Parks and Recreation, California Department of Transportation, District 8 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Colorado River Basin Region 7 (RWQCB), California State Lands Commission (SLC), Department of Toxic Substances Control, Department of Water Resources, Office of Emergency Services, California, Resources Agency, Resources, Recycling and Recovery, Department of Fish and Wildlife, Region 6

Department of Fish and Wildlife, Region 6

Mining (Mineral Limestone/Aggreg)

Use Permit, Reclamation Plan

Aesthetics, Air Quality, Biological Resources, Cumulative Effects, Drainage/Absorption, Geology/Soils, Hydrology/Water Quality, Vegetation, Wetland/Riparian