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The CSO! Program is a major water quality improvement program being led by the City of Omaha Public Works Department. It will improve water quality in our local rivers and streams by capturing or treating 85% of the average annual combined sewage volume through a series of projects. Before beginning implementation of the CSO! Program, about 3.7 billion gallons of raw sewage mixed with stormwater overflowed into the Missouri River and the Papillion Creek in an average year. Through the CSO! Program, the City will dramatically reduce the volume of overflows and meet regulatory requirements. It is funded by all ratepayers who use the City's regional wastewater collection and treatment system.
Combined sewer overflow events occur along the Missouri River when stormwater mixed with sanitary wastewater overflows from CSO outfalls to the Missouri River. Overflows contribute to an increased concentration of E. coli bacteria in the River until wet weather conditions subside. E. coli is a water quality indicator of overall bacteria. At the request of the City, a computer model that simulates E. coli levels in the Missouri River was developed. (Read more.)
Founded in 2015, Contour Construction is proudly owned by Kimberly Remmereid. Her team is a subcontractor of Hawkins Construction and was responsible for pouring a portion of the concrete on the CSO! Saddle Creek Retention Treatment Basin Project. The CSO! public outreach team recently sat down with Kimberly Remmereid, founder and owner of Contour Construction, to learn more about her business and experience working on one of the CSO! Program’s largest projects to date. (Read more.)
This time lapse video illustrates Saddle Creek Retention Treatment Basin construction progress from June 2019 through July 2020. Construction on the top half of the screen includes a temporary earth retention system, soil excavation and installation of deep foundations supports. Activities on the bottom half of the screen include a new combined sewer diversion structure; two, 120-inch sewers and a new concrete channel liner. H-Pile installation for the foundation in the basin was completed in April 2020 and the focus for the next 12 months will include placing rebar and pouring concrete to construct the basin.
Current Program Highlights & Initiatives
- Blake Street Lift Station – Construction bid advertisement is anticipated Q1 2021.
- Burt-Izard Lift Station – Construction is on-schedule and expected to be complete by Q2 2021.
- Cole Creek CSO 203 Sewer Separation – Construction bid award was approved by the City Council in November. Construction start is anticipated in Q2 2021.
- Utility relocations by M.U.D. are underway for Cole Creek CSO 204 Sewer Separation, Phase 3. Construction start is planned for early 2021.
- Missouri Avenue/Spring Lake Park Sewer Separation – Phase 2 – Additional sewer separation work is underway along 13th Street. Construction is expected to be complete in 2021.
- Missouri River Water Resource Recovery Facility (MRWRRF)–Transfer Lift Station Pump Replacement – Pump installations are underway.
- Monroe Street Lift Station Improvements – Final design is underway; construction bid advertisement is expected in Q2 2021.
- Nicholas Street Sewer Separation, Phase 3B – Construction bid advertisement expected Q1 2021; construction start expected in Q3 2021.
- Papillion Creek North CSO 210 Sewer Separation Project (PCN 210) – Construction bid opening was in November and is under review. Construction start is anticipated in Q2 2021.
- Riverview Lift Station Replacement Project – Concrete wall and foundation placement at the lift station and diversion structures continue. Related sewer work is progressing along Gibson Road.
- Saddle Creek Retention Treatment Basin Project – Exterior basin walls at the Saddle Creek Retention Treatment Basin will be completed in Q1 2021. Interior walls and columns construction will continue through the first half of 2010. Pile driving activities to support the chemical and operations buildings continue.
- South Barrel Conversion and Sewer Separation Project – The City is contracting with design consultant for preliminary and final design.
- The results of the Program’s Optimization Evaluation, which focuses on identifying the most cost effective, beneficial approach to completing the final level of CSO control that is required, will be detailed in the Long Term Control Plan (LTCP) Update, available in March 2021.
- Novel Coronavirus (COVID-19) – The City of Omaha and CSO Program continue to respond and adapt to mandated changes. City, Program Management Team staff and Project Teams have quickly adjusted to on-line meeting platforms and have prioritized electronic transfer of information. Construction progress continues as contractor partners have incorporated health and safety requirements and are practicing social distancing on job sites. All Program team members remain committed to advancing CSO projects, goals and objectives with little measurable delay.
Work In Your Area
Visit the Omaha CSO Interactive Project Map for specific information for CSO Program projects in or around your neighborhood.
Click the links below for up-to-date information on work that is currently underway, in or around your neighborhood.
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