City of Columbus

Moler Street Overflow Interceptor Sewer Bounded by: W. Moler Street on South, S. High Street on East, Scioto River on West and W. Gates Street on North, this project will redirect combined sewer overflows that discharge to Scioto River. Construction will start winter of 2021 and be completed winter of 2022. - learn more

SWWTP Boiler Project Several issues were identified through troubleshooting once the 2015 S81 Project was closed. Construction is scheduled to begin in 2021 and will last approximately 18 months. Work will be completed so only 1 boiler is out of service at a time. - learn more

Big Walnut Sanitary Trunk Extension Phase 2 This project will extend sanitary sewer service further into northeastern Franklin County and southern Delaware County service areas. Construction is currently estimated to begin in mid-year 2021, with the entire project completed by the end of 2024. Traffic impacts are being mitigated through restricted hauling hours and designated hauling routes. - learn more

Blacklick Creek Sanitary Interceptor Sewer (BCSIS) - Air Quality Control Facility Located at 7154 Blacklick Ridge Boulevard, construction should begin first quarter 2021 and completed by the end of 2022. Traffic impacts should be minimal and invitations to a public meeting before construction will be sent those in the immediate area. This project will provide improved air quality and odor control for the region and aid in the reduction of sewer system corrosion. - learn more

Williams/Behm HSTS Elimination Project This project will extend sanitary sewer service in the Williams Rd/Behm Rd area, replacing home sewage treatment systems to eliminate the potential of ground water contamination. Construction is expected to begin in second quarter of 2021 and be complete by second quarter of 2022. Impacted residents will receive notice prior to construction with info on the timing of the work and contact information. - learn more

Center Large Diameter Rehabilitation Project This project will perform rehabilitation of the City’s sewers in downtown Columbus. Construction is expected to begin in early 2021 and be completed early in 2022. Impacted residents will receive written notification from the contractor prior to the work with information on timing and contacts. - learn more

Lower Olentangy Tunnel (LOT) A key element in the “Integrated Plan and 2015 Wet Weather Management Plan Updated Report," LOT will connect into the upstream end of the previously constructed OSIS Augmentation Relief Sewer (OARS) at Vine Street. The upstream end of LOT will be located north of Lane Avenue. - learn more

Alum Creek Storm Tanks - Real Time Control Pending approval, construction is expected to begin in late Fall of 2020. The goal of the project is to mitigate sewer overflow to Alum Creek at near Roads End Place and prevent river inflow and infiltration to the sanitary sewer. - learn more

JPWWTP Raw Sewage Pump Valve Project Construction of this project is roughly estimated to begin in the fall of 2020 and extend through the fall of 2021. This project will replace the hydraulic system with individual actuator systems to allow for multiple cone valves to be on operation at the same time, giving the plant more flexibility when starting pumps. - learn more

INTERMODAL SANITARY SUBTRUNK EXTENSION (ISSE) This project will extend sanitary sewer service further into the Northern Pickaway Joint Economic Development District which is located just south of Rickenbacker International Airport. The project will be advertised for bid and the City will issue the construction Notice to Proceed in early 2021. - learn more

Scioto Peninsula Improvements Project This project will install sanitary sewers, storm sewers and water mains, replacing aging lines to meet modern standards and have adequate capacity to support high density redevelopment of the project area. - learn more

Southerly UST Removal & Building Heating Improvements This project will replace the heating system for the Southerly Wastewater Treatment Plant and includes the removal of three large underground (fuel oil) storage tanks currently used to supply fuel to the boilers at the plant. Removal of the tanks permanently eliminates any risk of potential groundwater contamination. - learn more

Lockbourne Intermodal Subtrunk (LIS) Air Quality Improvements This project will improve air quality and aid in the reduction of system corrosion. The project is due to be completed in 2021. - learn more

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 project is expected to begin in 2020 and to be completed in two years. - learn more

Third Avenue Relief Sewer - Phase 3 Includes the design and construction of sanitary sewer along West Third Avenue between Edgehill Road and Northwest Boulevard. It includes new and replacement concrete sidewalks and curb ramps to complete a continuous pedestrian path. Construction will start in winter 2020 and be completed in winter 2021. - learn more

Southwesterly Composting Facility – Odor Control Improvements This project will reduce emissions to the atmosphere, replace equipment that has reached the end of its useful life, and increase flexibility within DOSD’s biosolids beneficial use program, resulting in better control of odors emitted to the surrounding area. Construction is scheduled to begin in early 2020. - learn more

Portage Grove Area Sanitary Sewer With construction to start early 2020, this project will provide sanitary sewer service to homes that are currently served by home septic treatment systems. - learn more

Alum Creek Trunk (Middle) Rehabilitation Phase C This project will perform rehabilitation of the City's Alum Creek Trunk Sewer Middle Section in accordance with the requirements of the OEPA consent order. The project is due to be completed in the winter of 2020. - learn more

West Franklinton Sanitary Sewer Improvements Project This project will  will support future increased sanitary needs and reduce the potential for surcharged pipes in the West Franklinton area. Construction is anticipated to begin in fall of 2019 and continue through the spring of 2020. - learn more

Hayden Run Aerial Sewer Improvements This project will replace the deteriorating aerial 42” sanitary sewer and restore structural integrity in the existing concrete piers and pipe supports. Construction is expected to begin in fall 2019 - learn more

East Franklinton Sewer Improvements Project (Phase 1) This project will install or replace 12-inch to 30-inch storm sewer in Broad Street, Gay Street and Scott Street. Construction will start in spring 2019 and be completed by the end of 2019. - learn more

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.
- learn more

Woodward Avenue Sanitary Sewer Project This project will provide new residential sanitary service for 14 existing homes that are currently served septic tank systems, as well as extending existing sanitary sewers. The project will be advertised for bid in 2017 and the City will issue the Notice to Proceed in 2018, pending final approval from OEPA. The project is due to be completed in 2020. - learn more

SWWTP Digestion Process Expansion Project This project will enable the wastewater treatment plant to digest all of the thickened primary sludge during peak flows. Construction is to begin in the fall of 2018. - learn more

JP Primary Clarifiers Electrical Upgrades Project The project will replace deteriorating electrical equipment installed in the early 1990’s to increase reliability of the primary treatment processes, reduce maintenance costs, improve overall safety and increase systems life. Construction is scheduled to begin in early 2018 with financing provided by a below-market rate loan obtained through the OEPA’s Water Pollution Control Loan Fund (WPCLF). - learn more

Brimfield Area Sanitary System Repair Project Pending approval, construction will start in spring 2018 and be completed in the fall of 2018. The project area is generally bounded by: Brimfield Road on South, Beechcroft Road on East, Tamarack Blvd. on West and Forest Village Lane on North. This project will replace sections of a sanitary sewer system that has settled and holds standing water which can cause basement backups. - learn more

Williams Rd/Castle Rd Sanitary Pump Station Control Valve Upgrade This project will replace equipment due to extended wear and long term use at two sanitary pump stations serving the south end of Columbus. Proposed improvements include replacement of pump discharge control valves, updating the electrical system and existing SCADA system. It will be advertised for construction bids in 2017 and is due to be completed in 2018.   - learn more

Lockbourne Intermodal Subtrunk (LIS) Extension This project will provide sanitary sewer service to the Northern Pickaway Joint Economic Development District. The LIS is an extension of an existing 168-inch sewer that passes north of the Village of Lockbourne and ends at the Southerly Wastewater Plant on S. High Street. The project has been bid and the City will issue the Notice to Proceed in early 2017; it is due to be completed by spring of 2020. - learn more

Alum Creek Sanitary Sewer Rehab Project Constructed 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 to extend its life. Estimated cost is approximately $6 million with construction expected to be completed by fall 2018. Every effort will be made to reduce any disruption to public accessed areas. Also view the Ohio EPA Limited Environmental Review. - learn more

Alum Creek Trunk (Middle) Sanitary Sewer Rehabilitation Phase B Project This sewer must be repaired in order to continue serving the surrounding areas. It includes “trenchless” rehabilitation along with spot repairs in various locations in order to extend its service life. Construction is currently anticipated to begin during fall 2017 and is expected to last approximately one year. - learn more

SWWTP Chemically Enhanced Primary Treatment (CEPT) Facility Project This facility will be constructed through the completion of the three following projects: the SWWTP CEPT Preliminary Treatment Project, the SWWTP CEPT Clarification Project and the SWWTP CEPT Disinfection Project. The project is anticipated to begin in mid-2017. - 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

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