Fargo Flood Control

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Fargo Flood Control Southside
Flood Protection Prairie View Estates Fargo,
ND October 2, 2008
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Fargo
Moorhead
25th Street South
University Drive
Rose Coulee
Red River
1997 Spring Flood South of Fargo
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Fargo
University Drive
Rose Coulee
Cass Co Drain 53
25th Street South
1997 Spring Flood South of Fargo
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Fargo
Moorhead
Rose Coulee
Interstate 29
25th Street South
Red River
Cass Co Hwy 81
Wild Rice River
1997 Spring Flood South of Fargo
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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
Interstate Hwy 94
Southside Flood Control
West Fargo
Moorhead
Red River
Cass Co Hwy 6
1997 Spring Flood Areas Inundated With
Floodwater and Estimate of Areas Protected
by Emergency Measures
Interstate Hwy 29
Horace
Cass Co Hwy 14
Wild Rice River
Sheyenne River
Cass Co Hwy 16
Red River
Oxbow
Cass Co Hwy 18
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Fargo
Interstate Hwy 94
West Fargo
Southside Flood Control
Moorhead
Preliminary 100 500 Year Floodplains Red and
Wild Rice Rivers
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, helping to keep our regions
  economy healthy

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Southside Flood Control
North Dakota State Climate Office
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Interstate Hwy 94
Southside Flood Control
Interstate Hwy 29
Preliminary 100 Year Floodplain
Horace
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Interstate Hwy 94
Southside Flood Control
Interstate Hwy 29
Preliminary 100 Year Floodplain with Line of
Protection
Horace
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Interstate Hwy 94
Southside Flood Control
Interstate Hwy 29
After Project Preliminary 100 Year Floodplain
Horace
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Project Flood Control Methods

• FEMA levees
• Channel extensions
• (Red River drain improvements)
• Storage inside of project

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Southside Flood Control
Wild Rice River Levee Alternative
Base Project
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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 with Channel
Extensions Supplemental Storage
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Wild Rice River Levees Alternative Red River
Impacts
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Southside Flood Control
Red River Channel Extension
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North Dakota
Minnesota
Red River Channel Extension
Red River
Typical Red River Cross-Section
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Fargo
Moorhead
Red River
1997 Spring Flood Burritt Kennedy, Lemke and
Harwood Groves Area
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32nd to 40th Avenue Floodplain Comparison
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Option 1 - River Side Permanent FW
Option 2A/2B - River Side Combination FW
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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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Wild Rice River Area Options
Option 1 No Wild Rice River Crossing
Option 1 No Wild Rice River Crossing (5.5
Million) Option 2 (Base) Wild Rice River
Crossing (15.5 Million) Option 3 Mini-Bypass
(29.4 Million)
Option 2 Wild Rice River Crossing
Option 3 Mini-Bypass
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Fargo
Moorhead
25th Street South
University Drive
Rose Coulee
Red River
1997 Spring Flood South of Fargo
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Southside Flood Control
Fargo
West Fargo
52nd Avenue
Horace
University Drive
Existing 100 500 Year Floodplains Red and
Wild Rice Rivers
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Southside Flood Control
Fargo
West Fargo
52nd Avenue
University Drive
Preliminary 100 Year Floodplain Red and Wild
Rice Rivers
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National Flood Insurance Program

• Insurance is required if
• You carry a federally backed mortgage and
• your home or business is in a high risk area -
  such as
• 100-year floodplain
• Special Flood Hazard Area or SFHA
• Area flooded by 1 annual chance flood
• Flood Zones A, AE, A1-30, AO, AH

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Fargo
Southside Flood Control
Flood Insurance High Risk Premium Table
Horace
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Fargo
Southside Flood Control
Flood Insurance Moderate to Low Risk Premium Table
Horace
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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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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Burritt-Kennedy Emergency Earth Levees River
Level 37.18 ft 4-5-06
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Burritt-Kennedy Emergency Earth Levees River
Level 37.18 ft 4-5-06
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Burritt-Kennedy Emergency Earth Levees River
Level 37.18 ft 4-5-06
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Burritt-Kennedy Sand Bag Levees River Level
37.18 ft 4-5-06
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Southside Flood Control
SE Cass Preliminary Assessment District Boundary
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Southside Flood Control
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Southside Flood Control
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Water Resource District Assessment District
Process

• Send ballots to all property owners on assessment
  list.
• (One ballot per parcel owned)
• Conduct a project hearing
• Ballots returned by mail
• Count all ballots returned
• (Weighted by amount you pay)
• If more than 50 of ballots returned vote yes
• Project proceeds

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Preliminary Assessment Analysis Completed by
Southeast Cass WRD Reassessment of Benefits
As the undeveloped properties in the assessment
district get developed, the WRD can reassess the
benefits so all properties pay for similar
benefits.
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Southside Flood Control
Wild Rice River Levee Alternative with Preferred
Alignments
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Project Schedule
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Southside Flood Control
Comment Sheet
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Southside Flood Control
Questions / Discussion