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Learn how the City is eliminating sanitary sewer overflows.
Understanding Our Sewer System There are three types of sewers: • Combined sewers carry both sewage and rain water to wastewater treatment plants • Separate sanitary sewers carry sewage from homes and businesses to wastewater treatment plants • Storm sewers convey rain water from streets, rooftops and parking lots to nearby streams - learn more
An Old Problem Our sanitary sewer system works well most of the time, but rain water and snow melt can seep into the system and overload it. When this occurs, the amount of water entering the sanitary sewer system exceeds the system’s capacity to hold it. - learn more
A New Approach Columbus has developed a new approach to eliminate sanitary sewer overflows. Instead of simply storing excess water that seeps into the sanitary sewer system when rain falls and snow melts, Blueprint Columbus addresses the source of the problem. View the Report Blueprint was approved by Ohio EPA 12/1/15. - learn more
