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Emerging Urban Flood Management Policy Changes. Mayor T.M. Franklin Cownie City of Des Moines December 8, 2010. HOW DID WE GET HERE?. ‘93 FLOODS: Gravity Isn’t Enough ‘08 FLOODS: Levees Involves Standards ‘10 FLOODS: Design Capacity Exceeded. Flood Impacts: Court Avenue.

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emerging urban flood management policy changes

Emerging Urban Flood Management Policy Changes

Mayor T.M. Franklin Cownie

City of Des Moines

December 8, 2010

how did we get here
HOW DID WE GET HERE?

‘93 FLOODS: Gravity Isn’t Enough

‘08 FLOODS: Levees Involves Standards

‘10 FLOODS: Design Capacity Exceeded

Emerging Urban Flood Management Policy Changes

flood impacts court avenue
Flood Impacts: Court Avenue

Emerging Urban Flood Management Policy Changes

flood impacts birdland
Flood Impacts: Birdland

Emerging Urban Flood Management Policy Changes

flood impacts birdland1
Flood Impacts: Birdland

Emerging Urban Flood Management Policy Changes

flood fighting
Flood Fighting

Emerging Urban Flood Management Policy Changes

post 1993 improvements
POST 1993 IMPROVEMENTS
  • $77 Million in improvements
  • $33 Million in Federal Funds
  • Reconstruction of two major levees currently underway
  • 32 pump facilities & two additional pump stations to be completed in 2011

500 Year Flood Map

Emerging Urban Flood Management Policy Changes

where from here
WHERE FROM HERE?

Emerging Urban Flood Management Policy Changes

  • Greater Pump Capacity for System and Levee Protection
  • Separation of Combined Sewers
  • Strategic Acquisition of Floodway Property
birdland levee reconstruction
Birdland Levee Reconstruction

Emerging Urban Flood Management Policy Changes

federal process changess
FEDERAL PROCESS CHANGESS

Emerging Urban Flood Management Policy Changes

  • Simplify the paper work process
    • paperwork and process for mitigation grants is excessive, and a huge time burden for local communities
  • Streamline the Post Disaster Hazard Mitigation Process for buyout properties
    • takes a long period of time before real assistance is available, and often leaves property owners with very few options at a time when they need immediate assistance
  • Allow local program expenditures to be reimbursed if FEMA guidelines are followed.
    • local match is difficult to budget for, allow some form of repayment
federal process changess1
FEDERAL PROCESS CHANGESS

Emerging Urban Flood Management Policy Changes

  • Pre-flood mitigation programs are preferable, and more are needed
  • Encourage watershed-wide approach to flood management, and allow regulation to be imposed that causes development to consider and mitigate the downstream impact
  • A means to offset the local impact of purchase/maintenance of City-owned flood plain
    • As more and more property is bought out and deed restricted and returned to the flood plain, it adds more and more property that a city owns and must maintain, while further reducing taxable property values. 
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