Transcript Document

Department of Public Works
Submittal of Comments to the County of Los
Angeles on the Draft Environmental Impact
Report and Proposed Alternatives for the Devil’s
Gate Reservoir Sediment Removal and
Management Project
December 16, 2013
Summary
Department of Public Works
• 2003 - Master Plan adopted
• 2009 - Station Fire
> 160,000 acres
> Nearly 100% of Devil’s Gate tributary area
• 2010-11 – Winter storms
> Deposit 1.3M cubic yards of sediment
• 2011-13 – Project planning and DEIR
> DEIR released October 23, 2013
> Comments due January 6, 2014
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City Review
Department of Public Works
• Review and comments by 8 departments
• City Attorney’s Office review of City’s role
• LA County Presentation to Commissions and
Committees
> Municipal Services Committee
> Environmental Advisory Commission
> Hahamongna Watershed Park Advisory Committee
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Staff Comments
Department of Public Works
• 100+ comments from 8 Departments
• Comments in all sections of the DEIR
> Requests for additional information
> Requests for further study
> Clarifications on applicable standards
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Next Steps
Department of Public Works
1. Technical review of project
> Academic expert with suitable background
 Identification of environmental engineering firm may be difficult
> Seek input on common DEIR review questions
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What is true downstream flood risk?
Is project scope too large?
Can more gradual project approach be effective?
How frequently have storms associated with DDE occurred?
Likelihood of occurring?
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Next Steps
Department of Public Works
2. Devil’s Gate Dam Sediment Removal Working
Group
> Key community members and City staff
 City Manager to select members based on recommendations
from City Council with Mayor’s input
> Purpose – Work with County staff to develop City’s
preferred alternative plan
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Next Steps
Department of Public Works
3. HWPAC role
> Meet on as needed basis
> Review additional data & documents from technical
review
> Facilitate additional presentations as necessary
> Review Task Force recommendations
• Timing
> Retain technical expert by February
> Conduct review over following 2 to 3 months
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Department of Public Works
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Devil’s Gate DEIR
Department of Public Works
Questions?
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Easement Area
Department of Public Works
HWPMP vs. Environmentally
Superior Alternative
Department of Public Works
Proposed Project
Department of Public Works
Alternative 1
Department of Public Works
Alternative 2
Department of Public Works
Alternative 3
Department of Public Works
Habitat Establishment (HWPMP)
Department of Public Works
Proposed Grading (HWPWP)
Department of Public Works
Developed jointly
between LCDPW & City
of Pasadena, 2003
Oak Grove Drive Slip Lane
(HWPMP)
Department of Public Works
Trails (HWPMP)
Department of Public Works
Water Elevations (HWPMP)
Department of Public Works
Devil’s Gate Dam (HWPMP)
Department of Public Works