Large capital improvement projects currently underway

OARS Deep Sewer Tunnel

OARS Deep Sewer Tunnel The Olentangy Augmentation Relief Sewer (OARS) tunnel will carry wet weather overflows that would otherwise empty into the Scioto River, to wastewater treatment plants. Construction began in September 2010 and is expected to be operational by late summer 2017.  - learn more

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Blueprint Columbus

Recently the US EPA issued a policy, recognizing the importance of allowing cities to take into consideration all of the regulatory challenges of complying with the Clean Water Act, and prioritizing work to achieve water quality goals more efficiently. They are strongly promoting the use of green infrastructure to meet these challenges. - learn more

Alum Creek Sanitary Sewer Rehab Project

Alum Creek Sanitary Sewer Rehab Project Constructed of reinforced concrete in the late 1960s, the Alum Creek Sewer has started to crack and erode. The City will perform “trenchless” rehabilitation of approximately 6,700 lineal feet of this sewer to extend its service life.Estimated cost is approximately $6 million with construction beginning summer 2015 to last about 1 year. Every effort will be made to reduce any disruption to public accessed areas. - learn more

5th Ave Dam Project

5th Ave Dam Project The Department of Public Utilities is working in conjunction with the US Army Corp of Engineers to restore the ecosystem of the Lower Olentangy Sub-basin, with the primary focus on the 5th Avenue Dam. - learn more

Blacklick Creek Sanitary Interceptor Sewer Tunnel

Blacklick Creek Sanitary Interceptor Sewer Tunnel The BCSIS is an extension of an existing 66-inch sewer that currently ends near Blacklick Ridge Boulevard. The project area encompasses the Reynoldsburg-New Albany Road corridor and extends north to Morse Road. It will have a finished diameter of 10 feet and constructed at a depth of 30 feet below ground at its start, ending at a depth of 140 feet. The estimated cost is $125 million with an anticipated completion in 2019.
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Upground Reservoir Rendering

Upground Reservoir Construction was completed on Columbus' Upground Reservoir built in northwestern Delaware County. View brochure - learn more

Project Clean Rivers

Project Clean Rivers Project Clean Rivers and the Wet Weather Management Plan will invest $2.5 billion over the next 40 years for sewer infrastructure improvements that will make our waterways cleaner and our city healthier.
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Skyline Drive Sanitary Sewer Assessment Project Initiated by a property owners’ petition to the City, this project consists of installing new sewers to eliminate failing septic systems located in the Skyline Drive neighborhood. Construction is expected to begin early 2013, with completion expected for fall 2013. Benefits include: reduced risk of environmental pollution from home sewage disposal systems (septic tanks, aeration systems, etc.); ease of future stormwater system improvements, which in turn reduce street and property flooding problems. - learn more

Combined Sewer Overflow Regulator Sluice Gate Modifications Project

Combined Sewer Overflow Regulator Sluice Gate Modifications Project This project implements recommendations in the city’s Wet Weather Management Plan and the Ohio Environmental Protection Agency (OEPA) Combined Sewer Long Term Control Plan – Interim (2010) Plan Update approved on March 7, 2008. - learn more

Berliner Park Sewer Improvements

Berliner Park Sewer Improvements To make improvements to sanitary and storm sewers within and adjacent to Berliner Park. There will be minimal disruption to park activities with heavy construction limited to the park's off-season, to occur in the fall of 2012. - learn more