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Southside Flood Protection Red River Channel Extension September 15, 2008 PowerPoint Presentation
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Southside Flood Protection Red River Channel Extension September 15, 2008 - PowerPoint PPT Presentation


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Southside Flood Protection Red River Channel Extension September 15, 2008. Moorhead. Fargo. 50 th Avenue South . Rose Coulee. Red River. University Drive . 1997 Spring Flood –Fargo, Moorhead. Fargo. Moorhead. 25 th Street South. University Drive. Rose Coulee. Red River.

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Presentation Transcript
slide1

Southside Flood

Protection

Red River Channel Extension

September 15, 2008

slide2

Moorhead

Fargo

50th Avenue South

Rose Coulee

Red River

University Drive

1997 Spring Flood –Fargo, Moorhead

slide3

Fargo

Moorhead

25th Street South

University Drive

Rose Coulee

Red River

60th Ave. SW

1997 Spring Flood – South of Fargo

slide4

Interstate Hwy 94

Fargo

West Fargo

Southside Flood

Control

Moorhead

Preliminary

100 & 500 Year

Floodplains

Horace

Interstate Hwy 29

Oxbow

southside flood control
Southside Flood Control

North Dakota State Climate Office

slide7

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
slide8

Southside Flood

Control

Wild Rice River Levee

Alternative

Base Project

slide9

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
slide10

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

slide11

North Dakota

Minnesota

Red River

Channel

Extension

Red River

Typical Red River Cross-Section

slide12

SOUTHSIDE FLOOD CONTROL

Wild Rice River Levees Alternative – Red River Impacts

slide13

SOUTHSIDE FLOOD CONTROL

Wild Rice River Levees Alternative – Red River Impacts

slide19

Fargo

Moorhead

25th Street South

University Drive

Rose Coulee

Red River

1997 Spring Flood – South of Fargo

slide20

Southside Flood Control

Red River Channel

Extension Options

slide21

Southside Flood Control

Technical Committee Preferred Option:

North Dakota Alignment

slide22

Southside Flood

Protection

Red River Channel Extension Fly Through

slide23

Southside Flood

Control

Technical Committee Preferred Alignments

slide24

Interstate 29

25th Street South

Cass Co Hwy 81

1997 Spring Flood – South of Fargo

slide26

Southside Flood Control

Questions / Discussion