• Working Together as a Region to Plan for Tomorrow
    Working together
    as a region to plan
    for tomorrow
  • Water for Today and Tomorrow

    Cascade Water Alliance
    Water for today...and tomorrow

  • Planning Today for Tomorrow
    Planning today
    ... 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

Swimsafe on Lake Tapps

May 23, 2016

Everyone agrees Swimsafe programs are working. Last year, the community celebrated three years with no deaths reported on Lake Tapps during the busy summer seasons of 2013, 2014 and 2015. Following a 2012 summer that saw three deaths in Lake Tapps, the surrounding cities, first responders, school districts  and Cascade Water Alliance, owner of the reservoir, came together to take steps to help swimmers and boaters who enjoy recreation on Lake Tapps and other area waterways stay safe in a campaign called

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Lake Tapps Reservoir Levels Update

May 16, 2016

Cascade filled the Lake Tapps Reservoir to approximately 543.0′ (maximum full pool) today. This level will be maintained for about 24 hours, after which the level will be lowered (over the course of a few days) to elevation 542.5 – 542.75′, which is the level planned for the remainder of the recreational season (through at least Sept. 30). Cascade has raised the reservoir levels to approximately elevation 543′ each year since 2010. The reservoir level has reached approximately elevation 543′ in 12

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Lake Tapps Incident Locator Program Expands

May 04, 2016

The Lake Tapps Incident Locator Program, first launched in 2014 by East Pierce Fire and Rescue, will expand significantly in coming weeks with funding from Cascade Water Alliance. The Incident Locator Program ensures public safety help gets where it’s needed when time counts by placing identification numbers on lake front properties. For more information click here:  Lake Tapps Incident Locator Program Expansion FINAL Share this:

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Water Quality Update

April 22, 2016

Cascade and its members take water quality conditions extremely seriously. With recent discoveries of higher than normal lead levels found in homes built between 1900 and 1945 using galvanized pipe in the City of Tacoma, Cascade and its members are aggressively ascertaining the potential for such instances in member service areas. Currently, Cascade’s water which it receives from Seattle is safe to drink. There are no issues with the water distributed through Cascade to its members. Although the majority of homes within

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Lake Tapps Level Update

April 22, 2016

Lake Tapps is currently at elevation 542.07′. Cascade will resume active refill on May 2 and anticipates the reservoir will reach approximately elevation 542.5′ by May 7. The reservoir will be maintained at this level until May 14, when Cascade will actively fill the reservoir to approximately elevation 543.0′ (maximum full pool), which level should be reached no later than May 16. Cascade’s plan is to maintain maximum full pool for approximately 24 hours and then reduce diversions from the White River

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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