Fargo Flood Control

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Fargo Flood Control Southside
Flood Protection Drains 27, 53, and
Supplemental Storage Meeting September 15,
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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Interstate 29
St. Benedict
Cass Co Hwy 16
Cass Co Drain 47
Wild Rice River
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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Southside Flood Control
North Dakota State Climate Office
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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
CHANNEL EXTENSION AND 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
52nd Avenue
52nd Avenue
Horace
Interstate Hwy 29
Interstate Hwy 29
Existing 100 500 Year Floodplains
1997 Flooded Outline
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Southside Flood Control
52nd Avenue
Preliminary 100 500 Year Floodplains
Horace
Interstate Hwy 29
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Southside Flood Control
Drains 27 and 53 Channel Extensions
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Interstate 29
25th Street South
Cass Co Hwy 81
1997 Spring Flood South of Fargo
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Southside Flood Control
Drain 27 and Adjacent Storage Option
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Southside Flood Control
Sections 28, 29, and 34 Storage Option
Section 9 Storage Option
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Southside Flood Control
Technical Committee Preferred Option Storage
Along Drain 27
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Interstate 29
St. Benedict
Cass Co Hwy 16
Cass Co Drain 47
Wild Rice River
1997 Spring Flood South of Fargo
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Southside Flood Control
SE Cass Preliminary Assessment District Boundary
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Preliminary Assessment Analysis Completed by
Southeast Cass WRD

• Agricultural Property
• Total cost per acre 89.00
• Total cost per quarter 14,240.00
• Average annual cost per acre 7.30
• Total cost per quarter 1,168.00
• Assumed a 25 year payment schedule at 6.50
  interest

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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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Project Schedule
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Southside Flood Control
Questions / Discussion