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 of the Tehaleh master-planned development. 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.

June 2023 Project Update

The construction of the steel tank is now underway. The tank will be erected in rings and built from the inside out with a crane positioned inside the tank. Construction of the fifth ring starts in early June. As the steel panels for the floor and walls are positioned, they are hammered into place before being welded together. The steel construction began at the end of April and should last about two months. Additional site grading will happen in June as the pond structure on the north end of the property will start to take shape.   

Tehaleh 9

Tehaleh 10

Tehaleh 11

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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