Slate Creek Diversion Dam Sediment Pass Through Project (1600-2009-0236-R2)

Summary

SCH Number
2010018187
Lead Agency
Planning and Research, Office of (Office of Planning and Research)
Document Title
Slate Creek Diversion Dam Sediment Pass Through Project (1600-2009-0236-R2)
Document Type
NOE - Notice of Exemption
Received

Document Description
Operation of a lower level outlet valve on the Slate Creek diversion dam to allow for downstream movement of sediments during peak storm events to prevent filling of the upstream pool behind the dam with sediments washing down Slate Creek. This activity has been covered under previous DFG 1600 agreements (1600-1999-0201-R2) which expired 2008. The lower level outlet will be opened on the ascending hydrograph of peak storm events only flows are predicted to exceed a minimum of 1,000 CFS and are predicted to extend beyond the time period for operation of the lower level outlet.

Contact Information
Bob Hosea
California Department of Fish and Game
North Central Region 1701 Nimbus Road, Suite A
Sacramento, CA 95670

916-704-9156

Location

Counties
Plumas
Other Location Info
City: Oroville

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301
Reasons for Exemption
Public utility operation of outlet valves on an existing water diversion dam to maintain upstream pool volume and keep diversion tunnel and fish passage valves clear of sediments.
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