Syphon Reservoir Geotechnical Investigations Project

3 Documents in Project

Summary

SCH Number
2019029041
Lead Agency
Irvine Ranch Water District
Document Title
Syphon Reservoir Geotechnical Investigations Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Orange County GP: OS Reserve; Unincorporated Orange County Z: A1; Orange County NCCP Reserve

Document Description
The project would implement geotechnical investigations to evaluate geologic and seismic conditions at the existing Syphon Reservoir site. Additionally, geotechnical explorations would occur to verify the characteristics of the Center Valley Fault, which previously has been documented as inactive. The project would exploratory test pits, borings, and geophysical surveys to characterize the subsurface conditions of the soil and bedrock at each exploration location.

Contact Information
Jo Ann Corey
Irvine Ranch Water District
15600 Sand Canyon Avenue
Irvine, CA 92718

Phone : (949) 453-5300

Location

Coordinates
33°42'38"N 117°43'52"W
Cities
Irvine
Counties
Orange
Cross Streets
Portola Parkway and Bee Canyon Access Rd
Zip
92620
Total Acres
28
Parcel #
104-118-34
State Highways
133
Schools
Stonegate ES, Crean Lutheran HS, Eastwood EA

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Geotechnical investigation)
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources 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 Wildlife Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
Air Resources Board, Major Industrial Projects California Coastal Commission California Department of Parks and Recreation California Highway Patrol Caltrans, District 12 Department of Conservation Native American Heritage Commission Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 8 Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water Department of Water Resources Department of Fish and Wildlife, Region 5

Attachments

Environmental Document
Draft_MND_Syphon_Geotech-Website   PDF 218065 K
NOC
NOC   PDF 484 K Transmittal and 2nd page of NOC   PDF 362 K
State Comments
CDFW Comment   PDF 533 K DWR Comment   PDF 512 K
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