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Water Infrastructure WS - Siavash Beik

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Examining Local Infrastructure Issues along Waterways
in a Watershed Context
Siavash Beik, PE, CFM, D.WRE
2018 OneWater Ac...

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Typical Local Water Infrastructure Issues Along Waterways
• Flooding of water/wastewater facilities built in floodplain
• ...

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City of Kokomo 2013 Flooding Case Example

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Water Infrastructure WS - Siavash Beik

  1. 1. Examining Local Infrastructure Issues along Waterways in a Watershed Context Siavash Beik, PE, CFM, D.WRE 2018 OneWater Action Forum December 12, 2018 Indianapolis, IN
  2. 2. Typical Local Water Infrastructure Issues Along Waterways • Flooding of water/wastewater facilities built in floodplain • Stormwater/CSO backup due to high tailwater • Sediment build up in water supply reservoirs • Exposed pipes due to eroded channel banks or bed incision  In many cases, these issues are caused or exacerbated by watershed-driven stressors
  3. 3. City of Kokomo 2013 Flooding Case Example
  4. 4. Kokomo, IN April 2013
  5. 5. Kokomo, IN April 2013
  6. 6. Kokomo, IN April 2013
  7. 7. Flood Resilience Strategies along Wildcat Creek in Kokomo Watershed
  8. 8. Wildcat Creek Watershed Area Jerome Gage Kokomo Gage
  9. 9.  80% to 90% of Peak Discharge at Kokomo is already present in Jerome!
  10. 10.  Trendline indicates an alarming increase in Peak Discharges over the years!
  11. 11. Implications on Local Infrastructure Issues • Higher, more frequent high flows mean:  More streambank erosion and channel bank incision  Increase in exposed/undermined water and sewer pipes  Increase in outfall structure failures  Increase in sedimentation behind dams in water supply reservoirs  More frequent and higher water levels in the stream  More CSO back ups  More chances of flooding of infrastructure placed in floodplains
  12. 12. Summary • Addressing local water/wastewater infrastructure issues along waterways would require implementing resilience measures in the community as well as undertaking projects outside of community in the watershed  At the local level:  Implementing resilience strategies appropriate for each flood resilience planning zone  At the watershed level  Promoting soil health practices (such as cover crops) in the upstream watershed agricultural areas  Preserving remaining floodplain storage in the watershed  Creating additional flood storage within the watershed  Creating and enforcing No-Adverse-Impact ordinance and standards to control runoff and to limit disturbance within floodways and fluvial erosional corridors
  13. 13. QUESTIONS? Siavash Beik, PE, CFM, D.WRE Vice President, Principal Engineer Christopher B. Burke Engineering, LLC 115 West Washington Street, Suite 1368 South Indianapolis, IN 46204 Ph: 317.266.8000 Email: sbeik@cbbel-in.com

Editor's Notes

  • Adopt Specific Land Use Strategies for Distinct Geographical Areas
    Prohibit disturbance within River Corridor Impact Areas
    Preserve flood storage and minimize impacts within Undeveloped High Hazard Flood/Storage Areas
    Relocate or protect assets in already Developed Vulnerable Areas
    Incentivize development in placement of critical facilities in Safer Areas
    Adopt No-Adverse-Impact drainage standards within the entire Watershed

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