Thurston County, Washington

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Thurston County Washington

Public Works

Water System Plans and Water Use Efficiency Goals

Water System Plans and Water Use Efficiency Goal Presentation

  • Public Works has held two open houses, presenting the Water System Plans and Water Use Efficiency Goals.
  • The Water System Plans and Water Use Efficiency Goals that are to be adopted by the BoCC this spring were discussed.
  • If you missed the presentations, you can view the slides.

 

Formal Public Hearing and BoCC Adoption of WUE Goals and WSPs

  • Date: June 3, 2025
  • Time: 3:30pm
  • Location: Thurston County Atrium Board Room - 3000 Pacific Ave SE, Olympia, WA 98501
  • Purpose: Receive Public Comment on Proposed Water Use Efficiency goals, and adopt the goals along with Thurston County’s Part A Water System Plan (includes Satellite Management Agency Plan and Tamoshan Small Water System Management Plan), Part B Boston Harbor Water System Plan, and Part B Grand Mound Water System Plan.

 

Water System Plans Documents

 

Proposed Water Use Efficiency Goals

The WUE goals for the Boston Harbor water system for the next 10 years are as follows:

  1. Demand Side Goal: Maintain average day water system demand at or below 200 gallons-per-day per connection (gpd/conn) over the 10-year planning period.
  2. Supply Side Goal: Maintain distribution system leakage (DSL) below 10 percent of production over the 10-year planning period.

The WUE goals for the Grand Mound water system for the next 10 years are as follows:

  1. Demand Side Goal: Maintain average day residential water usage at or below 200 gpd/conn over the 10-year planning period.
  2. Supply Side Goal: Maintain DSL below 10 percent of production over the 10-year planning period.

The WUE goals for the Tamoshan water system for the next 10 years are as follows:

  1. Demand Side Goal: Maintain average day water system usage at or below 200 gpd/conn over the 10-year planning period.
  2. Supply Side Goal: Maintain DSL below 10 percent of production over the 10-year planning period.

 

Comments or Questions 

For comments or questions regarding the Water System Plans or Water Use Efficiency Goals, please contact Aaron Tormanen, Water Resources Utility Planner, by email at aaron.tormanen@co.thurston.wa.us or by phone at (360) 628-4492.