Robert Brown,

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Robert Brown, City of Kent Erin Ansell, Ted
Johnson, P.E., Camp Dresser McKee July 12 -13,
2004

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City of Kent has power to make choices
Meet More Stringent NPDES Limits at WRF?
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Slide Basics

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Water Quality Impairments

• Problems
• Habitat alteration
• Excessive nutrient levels
• Low dissolved oxygen
• Causes
• Flow modification (lake Rockwell releases)
• Impoundments (Kent, Munroe falls dams)
• Municipal WWTP discharges

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TMDL Components for Most Viable Reduction Strategy

• Minimum release of high quality water from lake
  Rockwell
• Modification or removal of Munroe falls dam (to
  reduce or eliminate dam pool)
• Modification or removal of Kent dam (to reduce or
  eliminate dam pool)

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Ohio EPAs TMDL Criteria for Middle Cuyahoga River

• Increase Dissolved Oxygen
• Restore natural river habitat
• Re-establish natural fish passage

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Project Objectives

• Primary objectives
• Develop acceptable cost effective solutions
• Achieve middle Cuyahoga river water quality
• Improve fish migration and aquatic habitat
• Secondary objectives
• Address flooding erosion concerns
• Maintain semblance of water feature
• Identify funding sources
• Avoid community division
• Provide input to the Akron water diversion lawsuit

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Project Approach
Gather Data
Screen Alternatives
Assess Feasible Alternatives
Report to Council
Coordinate with Kent Dam Advisory Committee (KDAC)
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Kent Dam Advisory Committee (KDAC)

• 19 member ad-hoc committee
• At-large citizens
• Environmental groups/commissions
• Historic societies
• Watershed stakeholders

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Historic Element

• Kent dam is on National Registry of Historic
  Places
• Part of historic Kent industrial district
• Section 106 of the National Historic Preservation
  Act (NHPA)
• Consensus on memorandum of agreement to mitigate
  adverse historic impacts

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Where is there consensus?

• Water quality should be improved
• Historic features are valued
• Moving water is important
• Enhance access, support economic development,
  increase recreation

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Previously evaluated KDAC Alternatives

• No.1 - Upgrade Wastewater Treatment Plant
• No. 2 - Retain, aerate dam pool
• No. 3 - Reduce and/or regulate dam pool
• No. 4 - Bypass dam and restore a free flowing
  river
•  No. 5 - Complete dam removal

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KDAC Meeting Summary

• Discussed previous alternatives
• Brainstormed additional design concepts with the
  potential to meet TMDL Criteria
• Fish elevator w/aeration and fill behind dam
• Lower stone arch dam
• Eliminate stone arch dam
• Modify sluice gates
• Developed and ranked critical Must Have issues
  for project

Does Concept meet TMDL Criteria?
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KDAC Must Have Ranking

• Developed and ranked critical Must Have
  features for project (in order of priority)

• Preserve Stone Arch Dam (Most important)
• Insure adequate water releases from Lake Rockwell
  
• Waterfall
• Improve river access
• Provide navigable channel
• Preserve Lock In-place
• Dam Pool
  (Least important)

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KDAC compared TMDL concepts against critical KDAC
must have features
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Feasible concepts comparison and ranking
1 highest ranking 3 lowest ranking
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Timely council approval of the Bypass Option
secures Ohio EPA project funding
June 2002
June-October 2002
October 15, 2002
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Bypass with park and waterfall
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Bypass Alternative with Interpretative Park
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High Flow in the summer of 2003 Delayed
Construction
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Construction Began in the Fall of 2003
Completion of this project will allow paddlers
and visitors an opportunity to access this
stretch of the Cuyahoga that has been dammed for
200 years. American Whitewater
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Construction is Scheduled to be completed by the
End of 2004