• Water for Today and Tomorrow

    Cascade Water Alliance
    Water for today...and tomorrow

  • Planning Today for Tomorrow
    Planning today
    ... for tomorrow
  • Working Together as a Region to Plan for Tomorrow
    Working together
    as a region to plan
    for tomorrow
  • Using Water Wisely Saves Water and Money
    water wisely
    saves water
    and money
  • Lake Tapps Our Future Water Supply
    Lake Tapps
    ... our future
    water supply

In The News

Lake Tapps Opens Today!

July 02, 2015

Cascade is officially opening Lake Tapps Reservoir to all recreation effective immediately. Remember, this water is cold, and you may encounter stumps, floating debris or submerged hazards in the reservoir.   This opening has been made possible by Cascade’s project for the Corps in which water was twice stored behind Mud Mountain Dam and then released. After state-mandated in-steam flows have been met, water is diverted into Lake Tapps Reservoir. Some additional water will come in this weekend.  Law enforcement will be on patrol.  

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We Need Water Because…

July 01, 2015

  BELLEVUE, WA– In this time of water shortages throughout the state, Bellevue and the Puget Sound region has sufficient water for normal activities through planning, strategic investment and a commitment to serve its residents. It is also critically important to use it wisely. But how we use that water and why we need it is the focus of an innovative effort by the City of Bellevue and Cascade Water Alliance to begin the conversation with residents throughout the region about water,

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Cascade Dismissed from Lawsuit

June 25, 2015

In 2009, Cascade Water Alliance joined other agencies in the Puget Sound region in a Memorandum of Understanding (“MOU”) regarding acquisition of the Eastside Rail Corridor from BNSF.

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Cascade Begins Lake Tapps Fill from Stored Water

June 10, 2015

Cascade Water Alliance today announced that water stored behind Mud Mountain Dam during Phase 1 of the barrier structure apron repair project is being released and fill of the Lake Tapps reservoir has resumed. The Corps and Cascade are collaborating on the project to repair the apron of the Barrier Structure to protect fish, as required by the National Marine Fisheries Service biological opinion. To ensure worker safety in the river, instream flows were brought down to 350 cubic feet per second

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Lake Tapps Reservoir Refill Update

June 05, 2015

Since November 2014, when Cascade Water Alliance drew down the Lake Tapps Reservoir, the lake bed has been closed for public safety. This has included public boat launches and parks as well. The lake remains closed at this time.

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Our Mission

As our magnificent region continues to grow, so do the demands for clean, safe reliable drinking water.

"At Cascade, we plan for water out 25 to 50 years to ensure the viability of our communities."
- John Marchione, board chair

Cascade's mission is to provide water supply to meet current and future needs of our members in a cost-effective and environmentally responsible manner through partnerships, conservation, acquiring, constructing and managing water supply infrastructure and fostering regional water planning.

Members are Our Source of Quality

Our local member cities and utilities are the source of water quality, making sure our 350,000 residents and 20,000 businesses receive great tasting high quality water today... and tomorrow.

Cascade's Vision for Today...and Tomorrow