Leona Heights Sulfur Mine Remediation

4 Documents in Project

Summary

SCH Number
2014042014
Lead Agency
Oakland, City of (City of Oakland)
Document Title
Leona Heights Sulfur Mine Remediation
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Remediation site is within Resource Conservatioin land use. Remediation site is zoned Residential Hillside (RH-1)

Document Description
The purpose of the proposed project is to improve the water quality of Leona Creek downstream of the closed Leona Heights Sulfur Mine in the Oakland hills by remediating the waste mine tailings and stabilizing the Leona Creek channel. Currently, the water quality in Leona Creek, at the remediation site, is degraded due to acid mine drainage which is being caused by contact between the onsite runoff and piles of mining waste rock. The proposed project would consolidate and cap the mine tailings, and create drainage improvements, in order to minimize contact between storm water runoff and tailings, thereby reducing the acid mine drainage into Leona Creek.

Contact Information
Darin Ranelleti
City of Oakland
250 Frank H. Ogawa Plaza, Suite 3315
Oakland, CA 94612

Phone : (510) 238-3663

Location

Coordinates
37°47'18.3"N 122°10'23.9"W
Cities
Oakland
Counties
Alameda
Cross Streets
Mountain Boulevard / End of McDonell Avenue cul-de-sac
Zip
94605
Total Acres
1.26
Parcel #
37A-3151-2-6
State Highways
I-580/SR-13
Schools
3
Waterways
Leona Creek / Upper San Leandro Reservoir

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Leona Creek Remediation)
Local Action
Site Plan
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Septic System Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use
Reviewing Agencies
Air Resources Board California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Conservation Department of Fish and Wildlife, Region 3 Department of Toxic Substances Control Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency State Water Resources Control Board, Divison of Financial Assistance
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