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 the end of 2014.
Construction is underway on Columbus' upground reservoir being built in northwestern Delaware County.
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.
To reduce odor in the downtown riverfront area, this project is expected began in April 2011 with completion scheduled for November 2012.
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.
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.
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.
Construction is expected to begin March 2012 with completion in March 2013. This rehabilitaion project will extend the service lives of some of the highest priority sewers, remove blockages and debris causing capacity constraints within them.
Construction is expected to begin in March 2012 with completion in December 2013. Benefits include a reduction in combined sewer overflow frequency and volumes into the Scioto River, achieved by directing stormwater out of the combined system and into a dedicated storm sewer system.
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.
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