Public Works

Completed Segments

Permanent flood control projects completed to date include:

  • 2020 16th Avenue SE floodgate
  • 2019 Czech Village Levee substantially completed
  • 2019 Completion of Sinclair and NewBo pump stations
  • 2018 Sinclair Levee
  • 2018 Lot 44 Pump Station (initial pump)
  • 2018 Northwest Gateway & Memorial Plaza
  • 2017 Sinclair Detention Basin
  • 2017 Sinclair Pump Station (initial pump)
  • 2017 CRST Riverwalk
  • 2016 CRST Floodwall
  • 2013 McGrath Amphitheatre Levee

1st Street Storm Sewer Improvements

  • Completed 2021
  • Between A Avenue NE - 1st Avenue East
  • Consolidates drainage outfalls to the Cedar River
  • Directs downtown storm water to a future pump station at Tree of Five Seasons Park
  • Facilitates construction of floodgate across 1st Avenue East

16th Avenue SE Roller Gate16th Ave Floodgate

  • Completed 2020
  • Rolls across road to keep water in river
  • Room to store gate behind flood wall 
  • Protects to 2008 flood volume
  • 45 minutes to close gate
  • Similar gate planned for west side of bridge in 2022
Czech Village Levee

  • Completed 2019Czech Village levee construction work
  • Approximately ½ mile long
  • Stretches from Linn County Solid Waste Agency to 16th Avenue SW
  • Approximately 16-20 feet tall on average
  • Provides protection to a river elevation up to 19.5 feet
  • Once entire Flood Control System is complete and it's tied into future segments: provides protection to 2008 flood volume
  • Includes 12' wide walking/bike trail 
Northwest Gateway & Memorial Plaza 
Rendering of plaza
  • Completed: June 2018
  • Situated along O Avenue & Ellis Blvd NW.
  • Includes greenway space, benches, and a memorial wall.
  • The plaza also features a distinctive gateway that welcomes residents and visitors to the site. 
  • Privately-funded "West Side Rising" sculpture pays tribute to neighborhood recovery and persistence

Lot 44 Pump Station

Rendering of brick pump house
  • Construction: 2016–Spring 2018
  • Located between 8th and 12th Avenues NE in New Bohemia District. 
  • Pumping capacity: 12,000 gallons per minute at opening, with capacity for expansion.
  • Aesthetics designed to complement character of neighboring district.
  • Includes gate to prevent the river from backing up into the neighborhood through storm sewers.
  • Protects community from rain inundation by pumping rainwater back into the Cedar River.

Sinclair / NewBo Levee 

  • Stretches from the African American Museum to Alliant Substation.Sinclair Levee
  • Just under ½ mile long.
  • 13–23 feet tall on average, 130 feet at its widest.
  • Provides immediate protection of a river surge up to 20 feet; protection to 2008 volume upon Flood Control System completion.
  • Includes a 12 foot wide concrete bike and pedestrian trail.
  • Includes walls next to 16th Avenue NE for a future gate.


Sinclair Detention Basin 

  • Construction: 2016 – 2017, grading/aesthetics 2018 Sinclair Detention Basin
  • 4.4 acres, used to store excess rain water until it can be safely pumped back into the river
  • Can safely store rainwater up to 4 feet deep
  • Includes paved lot for excess snow storage during snow removal efforts 

Sinclair Pump Station 
Sinclair Pump Station

  • Sized for 3 pumps
  • Capacity of 2,500 gallons per minute at opening, with expansion capability
  • Used when underground flood gates are closed and rain water needs to be pumped back into the river


CRST Riverwalk 
Rendering of CRST riverwalk

  • Provides a pedestrian walkway along the Cedar River between 2nd and 3rd Avenues

McGrath Amphitheatre

  • Recreation blended with protection.
  • Designed to take on water, the amphitheater
    also provides a signature outdoor concert and event venue.Amphitheatre

Reducing Our Flood Risk
Since 2008, the City has significantly reduced its flood risk. A history of risk reduction efforts includes

  • Developed interim flood control plan
  • Removed 1,300+ properties from the flood zone
  • Adopted new flood insurance rate maps
  • Updated Floodplain Management Ordinance
  • Secured GRI state funding of $267M
  • Improved sanitary sewers and raised the City’s wells
  • Upgraded and protected the Water Pollution Control Facility
  • Completed interim levee repairs
  • Raised buildings flooded in 2008
  • Raised two bridges over Prairie Creek
  • Designed and constructed the McGrath Amphitheatre levee
  • Designed the CRST building to include a flood wall
  • Completed improvements to the sanitary sewer system and watershed management practices.
  • Sanitary sewer and watershed management improvements (ongoing) 
What's Happened Since 2008?

© 2021  Cedar Rapids, Iowa, 101 First Street SE

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