Tehaleh Water Storage Tank

Pinnacle Ridge Reservoir

Construction is underway for a new Tacoma Water storage tank and pump station on a two-acre parcel of land in the Pinnacle Ridge neighborhood of the Tehaleh community. This project ensures water service reliability, including adequate supply for firefighting and other emergencies. A vital component of this project is to control and maintain water pressure, enhancing the comfort of the community.

Tacoma Water determined the need for this storage tank during the planning and design of Pinnacle Ridge by Tacoma Water. Therefore, the timeline directly ties to the community’s growth.

To minimize the impact on the neighborhood, the site for the tank is on existing utility-zoned property. Tehaleh developers helped select the location during the initial design of the community for its proximity and accessibility.

January 2023 Project Update

The contractor performed site preparation work in December and continued to procure parts and equipment for the project. Significant construction began on Jan. 3 and should continue through 2023. Initial work includes installing a new water main to connect the reservoir to the existing Tacoma Water system. By the end of January, the contractor will begin excavation for the tank foundation.

Tehaleh 2

Process for design and construction:

  • Clear property and begin site work
  • Install water main
  • Construct a storage tank
  • Install pump station
  • Testing and start-up
  • Commissioning


Project Manager: Carol Powers, PE

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