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The Program Management Team's job is to save money for City ratepayers and do what is best for the community as we meet the objectives and requirements of the Clean Water Act.
The City is working to ensure that the CSO Program goals (Control Projects) outlined in the Long Term Control Plan are constructed and operational by October 2037, in accordance with the Consent Order between the City and the Nebraska Department of Environment and Energy. Specific CSO Program goals are:
Minimize cost impact to ratepayers by completing CSO solutions within or under budget.
Maintain continuous public dialogue, provide information and pursue opportunities for multiple benefits in CSO projects.
As defined by the Long Term Control Plan, the Program includes a variety of solutions which include the following types of control projects.
Existing single-pipe combined sewer systems will be separated in targeted areas of the city to carry stormwater and sanitary sewage in separate pipes. New sewers will be installed to convey either the sanitary sewage or stormwater, and existing pipes will be used to carry the other flow.
This includes a 5.4-mile tunnel along the Missouri River from combined sewer outfalls located north of Cuming Street to the Missouri River Water Resource Recovery Facility (MRWRRF), located south of the Hwy 275 bridge. The tunnel will be approximately 170 feet below the surface, approximately 15 feet in diameter and will convey combined sewage to a new high-rate treatment plant adjacent to the current MRWRRF. The tunnel will store the combined runoff until it can be treated and discharged to the Missouri River.
High-rate treatment facilities will be built at the Missouri River Water Resource Recovery Facility and near 64th and Dupont Streets to treat potential overflows before they reach the Missouri River and Papillion Creek. These facilities (Saddle Creek RTB) are designed to treat overflows during wet weather events when the combined sewer system’s capacity is inadequate. Between rain events the facilities will be emptied and cleaned.
Missouri River Wastewater Treatment Plant Improvements – This project includes upgrades to the existing plant to maximize treatment of wet weather flows.
South Interceptor Force Main – Replacement of the existing force main to provide reliable conveyance of wastewater and combined sewage to the Missouri River Wastewater Treatment Plant.
South Omaha Industrial Area Force Main & Gravity Sewer and South Omaha Industrial Area Lift Station (completed) – These projects ensure that the high-strength wastewater will be treated at the Missouri River Wastewater Treatment Plant during wet weather events. The projects also reduce odors in the existing combined sewer system.
Below-ground storage tanks will be built near Benson Park and southwest of the North Omaha Power Plant (along Pershing Drive). These will capture overflows during rain events when the combined sewer system’s normal capacity is inadequate. Between rain events the facilities will be emptied and cleaned. Additionally, a storage tank will be built at the Missouri River Water Resource Recovery Facility and the City’s Joint Use Facility near 22nd and Y Streets.
Removed Pending Re-evaluation