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November 24, 2008 Agenda 1. 1. Purpose of Hearing 2. 2. Introductions 3. 3. Project Presentation 4. 4. Public Comment Period Southside Flood Control.

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Presentation on theme: "November 24, 2008 Agenda 1. 1. Purpose of Hearing 2. 2. Introductions 3. 3. Project Presentation 4. 4. Public Comment Period Southside Flood Control."— Presentation transcript:

1 November 24, 2008 Agenda Purpose of Hearing Introductions Project Presentation Public Comment Period Southside Flood Control

2 City of Fargo, Southeast Cass Water Resource District, North Dakota State Water Commission Southside Flood Protection Public Hearing November 24, 2008

3 1997 Spring Flood –Fargo, Moorhead Rose Coulee Red River Fargo 50 th Avenue South Moorhead University Drive

4 1997 Spring Flood – South of Fargo Rose Coulee 25 th Street South Cass Co Drain 53 Fargo University Drive

5 1997 Spring Flood – South of Fargo Cass Co Hwy th Street South Interstate 29 Rose Coulee Wild Rice River Red River Fargo Moorhead

6 1997 Spring Flood – South of Fargo Interstate 29 Wild Rice River 25 th Street South St. Benedict Cass Co Hwy 16

7 1997 Spring Flood – South of Fargo Interstate 29 St. Benedict Cass Co Hwy 16 Wild Rice River Cass Co Drain 47

8 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 region’s economy healthy. Southside Flood Control

9 1997 Spring Flood Areas Inundated With Floodwater and Estimate of Areas Protected by Emergency Measures Interstate Hwy 94 Cass Co Hwy 6 Cass Co Hwy 16 Cass Co Hwy 14 Cass Co Hwy 18 Interstate Hwy 29 Fargo Oxbow Horace Moorhead West Fargo Sheyenne River Wild Rice River Red River Southside Flood Control

10 Preliminary 100 & 500 Year Floodplains – Red and Wild Rice Rivers Oxbow Horace Moorhead West Fargo Fargo Interstate Hwy 94 Interstate Hwy 29 Southside Flood Control

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12 Southside Flood Control North Dakota State Climate Office

13 FEMA levees & floodwalls Channel extensions (Red River & drain improvements) Floodwater storage inside of project Pump stations Control structures Project Flood Control Methods

14 Base Project Southside Flood Control Wild Rice River Levee Alternative

15 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

16 Wild Rice River Levee Alternative with Channel Extensions & Supplemental Storage Southside Flood Control

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18 Wild Rice River Levees Alternative – Red River Impacts

19 Wild Rice River Levee Alternative Selected Plan River Stage Changes 100 Year Flood Southside Flood Control

20 Preliminary 100 Year Floodplain Southside Flood Control Horace Interstate Hwy 29 Interstate Hwy 94

21 Preliminary 100 Year Floodplain with Line of Protection Southside Flood Control Horace Interstate Hwy 94 Interstate Hwy 29

22 Southside Flood Control After Project Preliminary 100 Year Floodplain Interstate Hwy 94 Interstate Hwy 29 Horace

23 1997 Spring Flood – Burritt Kennedy, Lemke and Harwood Groves Area Red River Fargo Moorhead

24 Modifications to Base Project   32nd to 40th Avenue South Pursue primary protection through backyards   South Acres Include in primary protection alignment   Channel Extension Alignment   Chrisan West Include in primary protection alignment   Maple Prairie Include in primary protection alignment

25 Modifications to Base Project   Mini Bypass (Wild Rice River) Pursue mini bypass alignment to protect additional properties   Storage Plan & Drain Improvements Pursue storage along Drain 27   Chrisan East Pursue secondary protection

26 Option 1 - River Side Permanent FW 32nd to 40th Avenue – Backyard Options

27 Wild Rice River Area Options Option 1: No Wild Rice River Crossing Option 2 (Base): Wild Rice River Crossing Option 3: Mini-Bypass Option 1 – No Wild Rice River Crossing Option 2 – Wild Rice River Crossing Option 3 – Mini-Bypass

28 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 Southside Flood Control

29 Southside Flood Control Red River Channel Extension Options

30 North Dakota Minnesota Red River Channel Extension Typical Red River Cross-Section

31 Wild Rice River Levee Alternative with Preferred Alignments Southside Flood Control

32 1997 Spring Flood – South of Fargo Rose Coulee Red River 25 th Street South Fargo University Drive Moorhead

33 1997 – Cass County Commission initiates county wide Flood Mitigation Study for Flood Prone Areas in County – Cass County Adopts Cass County Flood Mitigation Study which recommends a Southside Flood Protection Project and receives a $9.5M FEMA Grant – Southside Flood Protection Project and FEMA funds transferred to City of Fargo. Project History

34 – 1 st Public Input Meeting Presented 4 Base Alternatives Estimated cost $50 to $100 M River Stage Impacts from 0” to +6” – 2 nd Public Input Meeting Presented 5 Base Alternatives Estimated cost $100 to $150 M River Stage Impacts from 0” to -8” thru – Small Group Meetings Over 60 meetings with neighboring communities and interested parties Project History

35 – Fargo City Commission selects preferred plan – 3 rd Public Input Meeting Present Preferred Plan Base Plan cost ~$100M Additional Project Features ~+$50M Project History

36 Project Schedule – Next Steps Environmental Assessment Conditional Letter of Map Revision (CLOMR) Permitting Special Assessment Process Development of Final Design

37 Water Resource District Assessment District Process Determine Benefit / Prepare Assessment List Send ballots to all property owners on assessment list. One ballot per parcel owned Ballot value based on proposed assessment 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

38 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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40 Horace Moorhead West Fargo Fargo Rose Creek GC 40 th Avenue S. 32nd Avenue S Discovery School 25 th Street S. University Dr. S South Fargo Flooded Areas – New 100-Year Flood IF WE “DO NOTHING”

41 Horace Moorhead West Fargo Fargo 40 th Avenue S. Discovery School Discovery School Area – New 100-Year Flood 3.5’ Deep IF WE “DO NOTHING”

42 West Fargo Fargo 37th Avenue S. Hope Lutheran Church 25 th Street / 37 th Avenue South Area – New 100-Year Flood IF WE “DO NOTHING”

43 SOUTHSIDE FLOOD CONTROL FEMA says:FEMA says: Flooding is the nation’s #1 disaster Flooding is the nation’s #1 disaster Structures in the floodplain have a 26% chance of flooding within the 30 year life of a mortgage (National Statistic) Structures in the floodplain have a 26% chance of flooding within the 30 year life of a mortgage (National Statistic) The chance of flood damage is 3 times greater than the chance of damage by fire (National Statistic) The chance of flood damage is 3 times greater than the chance of damage by fire (National Statistic)

44 SOUTHSIDE FLOOD CONTROL The National Flood Insurance Act of 1968 (NFIP) was created to reduce flood damages by:The National Flood Insurance Act of 1968 (NFIP) was created to reduce flood damages by: Identifying flood risk Identifying flood risk Encourage sound community floodplain management practices, and Encourage sound community floodplain management practices, and Providing flood insurance to lessen the financial impact of flooding Providing flood insurance to lessen the financial impact of flooding

45 SOUTHSIDE FLOOD CONTROL The NFIP requires communities to identify flood hazards and propose solutions to lessen the damage The NFIP requires communities to identify flood hazards and propose solutions to lessen the damage Communities which do nothing are at risk for the potential liability of flood damage Communities which do nothing are at risk for the potential liability of flood damage

46 SOUTHSIDE FLOOD CONTROL The Flood RiskThe Flood Risk The risk of flood damage from a repeat of a 1997 flood still remains a threat today The risk of flood damage from a repeat of a 1997 flood still remains a threat today More structures will be classified as high risk when the new flood elevations and floodplain maps are adopted More structures will be classified as high risk when the new flood elevations and floodplain maps are adopted

47 SOUTHSIDE FLOOD CONTROL How do people living in the floodplain want to manage the risk of flooding?How do people living in the floodplain want to manage the risk of flooding? People need to know how the flood risk affects them and agree there is a problem People need to know how the flood risk affects them and agree there is a problem They need to feel that the proposed plan to lessen flood damage is fair They need to feel that the proposed plan to lessen flood damage is fair That the decision-making process is sound and objective That the decision-making process is sound and objective That they had a role in developing the plan That they had a role in developing the plan

48 SOUTHSIDE FLOOD CONTROL The Public Process:The Public Process: Numerous meetings have been held from public presentations, to neighborhood meetings, to one-on-one visits Numerous meetings have been held from public presentations, to neighborhood meetings, to one-on-one visits Not everyone is happy but the general consensus is that the approach selected makes the most sense Not everyone is happy but the general consensus is that the approach selected makes the most sense

49 Questions / Discussion Southside Flood Control


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