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Water Infrastructure WS - Siavash Beik
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. 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
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. 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. 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