Folsom Dam Modification Project - Water Control Manual Update

3 Documents in Project

Summary

SCH Number
2012102034
Lead Agency
Central Valley Flood Protection Board
Document Title
Folsom Dam Modification Project - Water Control Manual Update
Document Type
SIR - Supplemental EIR
Received

Document Description
A draft SEA/EIR has been prepared for the Folsom Dam Modification Project - Water Control Manual Update. The purpose of the proposed action is to reduce flood risk and improve dam safety in the Sac Metro Area by implementing operational changes of the new auxiliary spillway. The new operations will meet goal associated with dam safety and flood damage reduction benefits including: 1) passing the Probably Max Flood with three ft of free board; 2) controlling a 1/100 annual chance event, 3) control a 1/200 annual change event; 4) reducing variable space storage from 400,000-670,000 acre ft to the National Weather Service. Environmental effects evaluated in detail include hydrology, water supply and deliveries, biological resources, recreation, hydropower, and cultural resources. Cultural resources impacts could be potentially significant and unavoidable.

Contact Information
Vincent Heim
Central Valley Flood Protection Board
3464 El Camino Avenue
Sacramento, CA 95821

916 574 2310

Location

Cities
Folsom
Counties
Sacramento Placer El Dorado
Cross Streets
Folsom-Auburn Blvd & Folsom Lake Crossing
Zip
95630
Waterways
Folsom Lake

Notice of Completion

Review Period Start
Review Period End
Project Issues
Other Issues Cumulative Effects Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Soil Erosion/Compaction/Grading Recreation/Parks Public Services Flood Plain/Flooding Biological Resources Archaeologic-Historic Other Issues: Climate Change
Reviewing Agencies
Department of Fish and Wildlife, Region 2 Regional Water Quality Control Bd., Region 5 (Sacramento) California Department of Parks and Recreation Delta Protection Commission Delta Stewardship Council Department of Water Resources Native American Heritage Commission Office of Emergency Services, California Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 9 State Water Resources Control Board, Division of Water Rights
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