Fargo Flood Control

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Fargo Flood Control Southside
Flood Protection Landowner Meeting, Maple
Prairie June 16, 2008
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25th Street South
St. Benedict
Cass Co Hwy 16
Wild Rice River
Interstate 29
1997 Spring Flood South of Fargo
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Fargo
Moorhead
Interstate 29
Rose Coulee
Frontier
25th Street South
Red River
Cass Co Hwy 81
Wild Rice River
1997 Spring Flood South of Fargo
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Fargo
Interstate Hwy 94
West Fargo
Southside Flood Control
Moorhead
Preliminary 100 500 Year Floodplains
Horace
Interstate Hwy 29
Oxbow
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Southside Flood Control

• Provide Protection from overland flooding that
  threatens the majority of properties south of
  I-94.
• Prevent extensive expansion of South Fargo
  Floodplain and mandatory flood insurance
  requirement.
• Provide growth area for Fargo, helping to keep
  our regions economy healthy

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Fargo
Moorhead
Interstate 29
Rose Coulee
Frontier
25th Street South
Red River
Cass Co Hwy 81
Wild Rice River
1997 Spring Flood South of Fargo
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Project Flood Control Methods

• FEMA levees with and without diversion channels
• Channel extensions
• (Red River drain improvements)
• Storage inside of project
• Storage in upstream watershed

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Fargo
Interstate Hwy 94
Southside Flood Control
West Fargo
Red River
Moorhead
Cass Co Hwy 6
1997 Spring Flood Areas Inundated With
Floodwater and Estimate of Areas Protected
by Emergency Measures
Horace
Interstate Hwy 29
Cass Co Hwy 14
Wild Rice River
Sheyenne River
Cass Co Hwy 16
Red River
Oxbow
Cass Co Hwy 18
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Southside Flood Control
North Dakota State Climate Office
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Issues Raised With Base Alternatives

• Red River Wild Rice River impacts (Higher flood
  levels)
• Lost storage (Concern storage impact will simply
  move impacts upstream)
• Properties east of Hwy 81 and upstream receive no
  protection

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Southside Flood Control
Wild Rice River Levee Alternative
Base Project
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Southside Flood Control
Wild Rice River Levee Alternative
Base Project with Channel Extensions
Recoverable Storage
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North Dakota
Minnesota
Red River Channel Extension
Red River
Typical Red River Cross-Section
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Southside Flood Control
STORAGE SUMMARY Existing effective storage
6,000 Acre-Ft Base project 0
Acre-Ft Channel extension/storage 2,000
Acre-Ft Supplemental storage 4,000
Acre-Ft Upstream dams 75,000 Acre-Ft (External
storage)
STORAGE
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SOUTHSIDE FLOOD CONTROL
Wild Rice River Levees Alternative Red River
Impacts
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Southside Flood Control
Moorhead
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Southside Flood Control
Moorhead
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Southside Flood Control
Levees east of Cass Co. Hwy 81
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SOUTHSIDE FLOOD CONTROL
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Southside Flood Control
Wild Rice Levee Option With Red River Channel
Extension Options
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Southside Flood Control
Wild Rice Levee Option Including Mini-Bypass
Alternative
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76th Avenue
Cass Co Hwy 81
1997 Spring Flood South of Fargo
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West Fargo
Fargo
Southside Flood Control
76th Avenue
Existing 100 500 Year Floodplains
Horace
Cass Co Hwy 81
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West Fargo
Fargo
Southside Flood Control
76th Avenue
Preliminary 100 500 Year Floodplains
Horace
Cass Co Hwy 81
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Maple Prairie
Basic Protection
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Maple Prairie
FEMA Protection
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Southside Flood Control
Red River Channel Extension Options
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Maple Prairie
Basic Protection Original Channel Extension
Route
Maple Prairie Basic Protection
Total Estimated Cost 245,000
State of North Dakota 122,500
Local Cost 122,500
Estimated Properties 27
Cost per Property 4,537
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Maple Prairie
Basic Protection Included in North Dakota
Channel Extension Alternative
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Maple Prairie
FEMA Protection With North Dakota Channel
Extension Route
Maple Prairie FEMA Protection
Total Estimated Cost 990,000
State of North Dakota 495,000
Local Cost 495,000
Estimated Properties 27
Cost per Property 18,333
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Maple Prairie
Levee Footprint
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Project Schedule
Development of options east of University Drive April-June 2008
City Commission Selection of preferred base alternative June 30, 2008
Public input meetings April 15 - August 2008
Environmental Assessment July December 2008
Consultant Selection July - August 2008
Begin Design August 2008
CLOMR Submittal July September 2008
CLOMR Approval December 2008
ROW Acquisitions September 2008 October 2009
Permitting September 2008 April 2009
Special Assessment District September December 2008
Begin Construction June 2009
Functional Completion March 2011
Final Completion July 2012
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Southside Flood Control
Comment Sheet
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Southside Flood Control
Questions / Discussion