Perris Dam Remediation Project

6 Documents in Project

Summary

SCH Number
2007061004
Lead Agency
Water Resources, Department of (California Department of Water Resources)
Document Title
Perris Dam Remediation Project
Document Type
EIR - Draft EIR
Received

Document Description
NOTE: Extended review to end on April 12, 2010. The proposed Perris Dam Remediation Program includes 3 separate components: (1) Perris Dam Remediation, (2) Outlet Tower Replacement, and (3) Emergency Outlet Extenstion. Dwr proposes to implement the Perris Dam Remediation Program to remediate Perris Dam, replace the outlet tower, and construct an outlet conveyance to connect with the Perris Valley Storm Drain. The project is being proposed to address seismic safety concerns and to bring the facilities up to current safety standards. Perris Dam and Reservoir, a multi-purpose facilitiy known collectively as Lake Perris, is located within the Lake Perris State Recreation Area (SRA) in Riverside County. DWR proposes to seismically upgrade the dam by improving the foundation material with cemen-deep-soil-mixing (CDSM) methods, excavating the toe of the dam to remove the liquerfiable berm foundation material, replacing the berm foundation material with re-compacted engineered fill, and then constructing a stability berm on top of the replaced berm foundation. This remediation strategy would allow Lake Perris to return to its previous maximum operating pool elevation of 1588 ft amsl after construction.

Contact Information
Jeanne Kuttel
Department of Water Resources
1416 Ninth Street
Sacramento, CA 95814

(916) 653-7336

Location

Coordinates
33°50'54"N 117°11'29"W
Cities
Perris
Counties
Riverside
Cross Streets
Ramona Expressway and Lake Perris Drive
Zip
92571
State Highways
215
Airports
March AFB
Waterways
Perris Valley Storm Drain

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (Dam Type)
Local Action
Other Action Other Action: Dam Retrofit
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Geologic/Seismic Noise Population/Housing Balance Public Services Recreation/Parks 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
California Department of Parks and Recreation California Highway Patrol Caltrans, District 8 Caltrans, Division of Aeronautics Department of Conservation Department of Fish and Wildlife, Region 6 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 Department of Toxic Substances Control
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