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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. West Operating Area Reservoir Study

    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

    West Operating Area Reservoir Study

    Reservoirs are storage tanks that buffer strain on the water supply system during peak demands, store water for firefighting and allow for continuous service during brief supply shutdowns. As population grows, we need to be able to store more water. Based on regulations and industry standards, Bellevue will need additional reservoir volume sometime after 2030 to serve anticipated growth in downtown, BelRed and other areas.

    Graphic showing water storage needs

    The city has already exhausted other alternatives to constructing more storage, including updated efficiency standards that reduce demands, and construction of added transmission capacity to access available storage elsewhere in the system. That work improved redundancy and extended the anticipated deadline (from 2020 to after 2030), but new storage still must be planned and built.

    Opportunity for public input

    Potential reservoir sites for West Operating Area Reservoir Study

    The City is considering these neighborhoods—shown in the map—for the new drinking water reservoir. The City will select one of these neighborhoods based on the following criteria:

    • Technical feasibility
    • Community benefits and impacts
    • Operational impacts
    • Costs
    • And other factors

    We are in the process of scheduling walk-and-talks and community meetings in each neighborhood to listen to neighbors about their interests and concerns related to the project and discuss how a drinking water reservoir might fit in their neighborhood. A new reservoir would affect neighbors, particularly during construction, but we are interested in finding ways for it to offer meaningful, long-term benefits to the neighborhood as well.

    We also held an online open house and a survey on EngagingBellevue.com. At the conclusion of project milestones, we will provide updates on how stakeholder input has been considered and addressed in project decisions.

    Timeline

    Initial Engagement: May-July 2022

    • Walk-and-talks or small meetings with neighbors of potential sites
    • Collecting comments/feedback from neighbors via paper and electronic forms

    Feedback will be used in the development of criteria for evaluating alternatives.

    Alternatives Identification and Analysis: July 2022

    • Follow-up emails to community members
    • Collecting comments/feedback from neighbors via paper and electronic forms

    Feedback will update our understanding of community interests and priorities.

    Alternatives Evaluation: November 2022 - January 2023

    • Community-wide Survey: Available on Engaging Bellevue from November 7, 2022 to January 13, 2023
    • Online Open House: November 29 from 6:00 p.m. to 7:30 p.m.  Feedback will inform the City's evaluation and selection of a preferred option.View recording of the Online Open House:

     

    Alternatives Evaluation and Selection: March-May 2023

    • Launch web-based storymap with interactive maps and digital content
    • Follow-up emails to community members

    Feedback will inform city's plans for mitigation of any expected impacts.

    Alerts
    Receive emails or texts regarding updates of this project.
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    Contact

    Dwight Smith
    Project Manager
    Telephone
    425-452-4127
    Email
    dbsmith@bellevuewa.gov

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    • Bellevue, WA 98004
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