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

Blueprint Columbus takes all of the regulatory challenges of complying with the Clean Water Act into consideration and uses green infrastructure to meet these challenges and efficiently achieve water quality goals.  

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Blueprint Hilltop: Lining Project This project will rehabilitate existing sanitary sewer mains and associated manholes in the Hilltop planning area to reduce occurrences of water in basements and sewerage overflows to area streams and rivers. The estimated construction cost is approximately $6 million and is expected to begin in fall 2016.  - learn more

Blueprint Clintonville: Blenheim/Glencoe Area Green Infrastructure This project will construct rain gardens and a large stormwater wetland to provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in the fall of 2016 with an estimated cost of $6.5 million.
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Blueprint Clintonville: Cooke/Glenmont Area Green Infrastructure

Blueprint Clintonville: Cooke/Glenmont Area Green Infrastructure With an estimated construction cost of approximately $1 million, this project will provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in summer 2016. - learn more

Blueprint Clintonville: Morse/Dominion Area Green Infrastructure With an estimated construction cost of $3.5 million, this project will provide a bioretention basin and/or curb bump outs with bioretention to provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in the spring of 2017. - learn more

Blueprint Clintonville: Overbrook/Chatham Area Green Infrastructure With an estimated construction cost of $1 million, this project will construct rain gardens to provide detention and water quality improvements to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in the fall of 2016.   
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Blueprint Clintonville: Schreyer/Springs Green Infrastructure This project will construct rain gardens in the area to provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. The estimated cost is $1.8 million with construction expected to begin in late summer 2016. - learn more

Blueprint Clintonville: Weisheimer/Indian Springs Area-Bioretention Improvements With a cost of approximately $2.5 million, this project will provide construct curb bump outs and rain gardens. The goal is to provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in the second quarter of 2017. - learn more

Blueprint Clintonville: Weisheimer/Indian Springs Area-Permeable Pavement With a cost of approximately $3.5 million, this project will replace the existing asphalt pavement with permeable pavers to provide detention and water quality improvement to rain water that will be redirected from the sanitary sewer system by future Blueprint projects. Construction is expected to begin in the first quarter of 2017. 
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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 Blvd. 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 $109 million with an anticipated completion in 2020.
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Rickenbacker Area SP Station Project Vicinity Map

Rickenbacker Area Sanitary Pump Station Upgrade Project This project will replace pumps and related equipment inside an existing sanitary pump station the City received under a new sewer contract service area agreement and review required system capacity to properly size the station for future development. The design will emphasize features to reduce future daily maintenance costs. The estimated cost for construction is approximately $400,000.  The project will be advertised for bid in 2016 and the City will issue the Notice to Proceed in 2016 pending final approval from OEPA. The project is due to be completed in 2017. Financing is being provided by a below-market rate loan obtained through the OEPA’s Water Pollution Control Loan Fund (WPCLF) and the debt is being serviced through City of Columbus sanitary sewer revenue. - 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

Hoover Boardwalk Improvements

Hoover Boardwalk Improvements Improvements to the Hoover Nature Preserve Boardwalk begin in May 2015 to make better use of the space, eliminate rutting, improve handicapped parking and better protect water quality. Construction for the improvements is funded through Ohio EPA's Surface Water Improvement program and includes installation of permeable pavers, a vegetated infiltration area and educational signage for visitors. - learn more

Whittier Storm Tank Upgrade

Whittier Street Storm Tank Upgrades These tanks serve as a temporary retention/primary treatment facility. It has been in operation since 1986 without upgrades and now requires repairs. The estimated cost for improvements is $15,000,000 and the project is expected to begin in the spring of 2017 to be completed in two years. - learn more

Land Application

Biosolids Land Application Facility This project will provide infrastructure at the Southerly Wastewater Treatment plant to increase the beneficial agricultural re-use of the plant’s biosolids by land application as opposed to disposing of them using incineration, which would be more costly due to required upgrades to that system. Construction is planned to begin in the late summer of 2015 and will be completed by late fall 2016. The current estimate for construction is $36 million and will be financed by a below-market rate loan obtained through the OEPA and the debt is being serviced through City of Columbus sewer customer revenue. - learn more

BWARI Biofilter Improvements

BWARI Biofilter Improvements Project includes reconstruction of the media beds, controls and instrumentation and repairs to existing tunnel shafts in order to improve air quality and prevent long term maintenance concerns. It is estimated to cost approximately $2 million with construction to begin in 2016 and completed in 2017. Traffic impacts should be minimal and will be coordinated with Paving the Way. - learn more

Jackson Pike Biosolids Land Application Improvements The primary goal of this project is to provide sufficient land application biosolids storage, piping, and load-out capability to reduce the need to incinerate or landfill biosolids at JPWWTP. Construction to begin in 2016 and completed by 2018. The current estimate for construction is $17M. - learn more

HCWP Bulk Chemical Building (BCB) Improvements Project

HCWP Bulk Chemical Building (BCB) Improvements Project This project is designed to meet current and future service goals for consumers in the service area. It is anticipated to begin in early 2016 with a duration of 515 days and a total construction cost of approximately $5,000,000.  The financing will be provided through a below-market rate loan.
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Southerly WWTP Aerial

SWWTP Chemically Enhanced Primary Treatment (CEPT) Site Preparation Project This will provide the site preparation work in advance of the CEPT facility construction at Southerly WWTP. The CEPT facility will provide a 110 million gallon per day (MGD) treatment train to treat wet weather flows in excess of the plant’s full capacity during wet weather. It is anticipated to begin in mid-2016 with a duration of 275 days and a total construction cost of approximately $5,000,000 with financing through a below-market rate loan.
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Lamont Area Water Line

Lamont Area Water Line Improvements Located within the North Linden Community Planning Area, this project will replace or rehabilitate the existing 6-inch and 8-inch water lines that have a high break frequency. It will also include new fire hydrant installations. Construction is expected to begin late 2016.
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Berrell Ave Water Line Improvements This project will replace or rehabilitate the existing 6-inch and 8-inch water lines that have a high break frequency and will also include new fire hydrant installations. Construction is expected to begin in the winter of 2015.
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Deland Ave Area Water Line Improvements

Deland Ave Area Water Line Improvements Located in Clintonville, west of N. High Street and South of W. Henderson Road, replaces or rehabilitates the existing 6-inch, 8-inch, and 12-inch water lines with high break frequency. It includes approximately 12,000 linear feet of water line replacement. The project will also include new fire hydrant installations and water service transfers; expected to begin in the fall of 2015 - learn more

Dering Ave Water Line Improvements This project will replace or rehabilitate the existing 6 and 8-inch water lines that have a high break frequency to improve water service and reduce water loss; it will include new fire hydrants as well. Construction is expected to begin early in 2016. - learn more

East Deshler Avenue Area Water Line Improvements

East Deshler Avenue Area Water Line Improvements This project willreplace or rehabilitate the existing 6-inch, 8-inch, and 12-inch water lines that have a high break frequency and will also include new fire hydrant installations. Construction is expected to begin early 2016. - learn more

Fenway Road Area Water Line Improvements This project will include approximately 9,300 linear feet of water line replacement and will also include new fire hydrant installations and water service transfers. Construction is expected to begin early in 2016. - learn more

Simpson Drive Area Water Line Improvements

Simpson Drive Area Water Line Improvements This project will replace or rehabilitate the existing 6 and 8-inch water lines that have a high break frequency to improve water service, decrease burden on water maintenance operations, and reduce water loss. Project will also include new fire hydrant installations. Construction is expected to begin early 2016. - 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

Upground Reservoir Rendering

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

Managing Our Sewer System

Managing Our Sewer System Various initiatives are underway to protect and improve water quality in the Columbus metropolitan area. We all benefit from clean water. - learn more