Water Reservoir

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The City of Tigard will design and construct a new water reservoir. This will ensure enough healthy, safe water to:

  • Keep pace with the city’s growth
  • Meet peak demand periods
  • Navigate emergencies and natural disasters

What’s Happening Now:

  • Construction began in June of 2023 - Sunrise Park is currently closed for community use.
  • Community outreach and engagement throughout the project.
    • Upcoming events:
      • Coffee with the Contractor: Wednesday, August 23 at 10:30 AM - 15005 SW Sunrise Ln Tigard, OR 97223
      • Neighborhood Meeting: Thursday, August 24 at 6 PM - Virtual
        • An application to modify the approved Reservoir 18 site plan to accommodate changes to the areas requiring the removal of trees within sensitive lands.

Project Update - September 27, 2023

The City of Tigard will design and construct a new water reservoir. This will ensure enough healthy, safe water to:

  • Keep pace with the city’s growth
  • Meet peak demand periods
  • Navigate emergencies and natural disasters

What’s Happening Now:

  • Construction began in June of 2023 - Sunrise Park is currently closed for community use.
  • Community outreach and engagement throughout the project.
    • Upcoming events:
      • Coffee with the Contractor: Wednesday, August 23 at 10:30 AM - 15005 SW Sunrise Ln Tigard, OR 97223
      • Neighborhood Meeting: Thursday, August 24 at 6 PM - Virtual
        • An application to modify the approved Reservoir 18 site plan to accommodate changes to the areas requiring the removal of trees within sensitive lands.

Project Update - September 27, 2023

  • There When You Need It

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    Christine Hollenbeck of the Regional Water Providers Consortium talks about the steps it takes for water providers to bring drinking water to homes and businesses throughout the region. The theme of Drinking Water Week 2021 is "There when you need it", and your water provider is working 24/7/365 to make sure that your drinking water is safe and reliable.


  • Neighborhood Notice: Water Reservoir Onsite Review

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    Beginning the week of March 1, the City of Tigard will be hosting potential contractor meetings onsite at Cach Water site and Sunrise Park. This work is part of a project to build a new water reservoir on the west side of Bull Mountain.

    What you can expect through June 4, 2021:

    • Contractors and engineers visiting Sunrise Park and Cach Water site during daylight hours.
    • Vehicles parked along Sunrise Lane.

    What the contractors and engineers will be doing:

    • Walking around Cach Water site and Sunrise Park to better understand existing conditions and to become familiar with each site.
    • This information will be useful to teams as they prepare to submit bids to the city for design and construction of the new reservoir.

    What’s Next

    • The city will hire a design-build team to construct the water reservoir.
    • Technical analysis will determine the ultimate location of the reservoir, either at Cach Water site or Sunrise Park.
    • Construction is expected to begin in the winter of 2023.
  • Take a Tour: Inside Tigard's Water Storage Facilities

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    This virtual tour was created as part of the city's Water Master Plan. Go behind the scenes at some of Tigard's water storage facilities.

    Reservoir 1 and Aquifer Storage and Recovery (ASR) 1 Facility

    Reservoir 16 and Aquifer Storage and Recovery (ASR) 3 Facility

    10 MG Reservoir and Aquifer Storage and Recovery 2 Facility


    Learn more about about planning for our water future

    The purpose of the 2020 Water System Master Plan is to improve the level of service to customers by reviewing performance criteria, resiliency and reliability, and prioritizing needs identified within the 20-year planning period. The water system master plan:

    • Summarizes components of the existing water distribution system;
    • Analyzes water demand patterns within the service area;
    • Evaluates the performance of the water system with respect to critical service standards; and
    • Identifies and prioritizes the improvements necessary to remedy system deficiencies and accommodate future growth.

    Based on this analysis, the 2020 Water System Master Plan provides recommendations for specific projects for inclusion in the water utility Capital Improvement Program (CIP). These projects ensure that the water system continues to provide safe and reliable service to the Tigard Water Service Area.


Page last updated: 27 Sep 2023, 02:15 PM