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City of Bellevue, WA Utilities
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Utilities Services

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  1. Home
  2. City Government
  3. Departments
  4. Utilities
  5. Utilities Projects, Plans and Standards
  6. Utilities Capital Projects
  7. Newport Sewer Basin Capacity Improvements

    Utilities Capital Projects

    • Emergency Water Supply Master Plan
    • Factoria Boulevard Stormwater Conveyance
    • Horizon View 2 Reservoir and Pump Station Project
    • Kelsey Creek/Lake Hills Culvert Project
    • Lake Washington Lake Line Management Plan
    • Newport Sewer Basin Capacity Improvements
    • Pikes Peak Reservoir Replacement
    • Sewer Capital Investment Projects
    • Somerset Reservoir Decommissioning Project
    • Stormwater Capital Investment Projects
    • Valley Creek Culvert Replacement and Stream Restoration Project
    • Water Capital Investment Projects
    • Watershed Management Plan
    • West Operating Area Reservoir Study

    Newport Sewer Basin Capacity Improvements

    The City of Bellevue is planning to install a new sewer pipeline in the Newport Shores neighborhood and to upgrade the pumps at the Newport Lift Station and the Newport Pump Station. This work will help reduce the risk of sewer backup during large storm events.

    The project is in design, with construction anticipated to begin in summer 2022.

    Map showing Newport Sewer Basin Capacity Improvements Project location

    Why is this project needed?

    During large rain events, excess storm water can seep into the aging sewer system through small cracks. This rain infiltration can overwhelm the capacity of the system and lead to the risk of wastewater backups in low-lying homes. Bellevue crews currently manage this problem by using vacuum trucks to transport excess wastewater to the Newport Pump Station. Relying on this manual operation is not ideal.

    Project solution:

    The proposed project will improve both capacity and reliability of the current sewer system by constructing a new sewer "force" main, designed to move wastewater flows away from under-capacity areas, and upgrading pump stations with new pumps.

    Rather than crews manually transporting wastewater flows during rain events, portable pumps can be used as needed.

    Project benefits:

    With the new sewer line and upgraded pump system, residents in this neighborhood will see improvements in wastewater management and environmental protection, reduced risk of sewer backup, and safer access into and out of the neighborhood during severe storm events.

    Anticipated project impacts

    • During the design phase, residents may see project staff in the neighborhood taking measurements with survey equipment.
    • Once construction begins, the project will require digging a trench along Cascade Key from Newport Key to a point near the Newport Lift Station. This will take place in segments – the contractor will dig, lay new pipe and close the ditch as they go.
    • Work at the Newport Pump and Newport Lift Stations will be limited to replacement of equipment within the existing buried structures.
    • Residents may notice some construction noise during hours of operation.
    • The road will narrow to one through the construction work zone. However, continuous access to driveways will be maintained throughout the project.

    Project timeline

    Graphic showing Newport Sewer Basin Capacity Improvements Project timeline

    Opportunities for public input

    The project team recently held a virtual community meeting to overview the project and potential impacts. Look for an upcoming construction notice soon.

    View the virtual presentation in the "Related documents" section below.

    Related documents

    • Project flyer
    • Virtual community presentation

    Contact

    Paige Young, Consultant Project Manager
    425-452-2067
    pyoung@bellevuewa.gov

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