• 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
    Using
    water wisely
    saves water
    and money
  • Lake Tapps Our Future Water Supply
    Lake Tapps
    ... our future
    water supply

In The News

Lake Tapps Algae Update

June 07, 2017

The caution advisory for algae bloom in Lake Tapps remains in effect. Cascade is taking additional samples to be tested as it continues to work in partnership with the Tacoma-Pierce County Department of Health, which monitors the health conditions. Residents should stay away from water where algae is present. Areas of the lake with no algae should be fine for recreational activities.  According to discussions with PSE, the former owner of Lake Tapps, there is a history of algae in the White

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Lake Tapps at Maximum Fill Today – May 17, 2017

May 17, 2017

Today Cascade will raise the Lake Tapps reservoir to approximately elevation 543 feet, the maximum allowable level Cascade can operate Lake Tapps. Cascade raises the reservoir to the maximum allowed at least once each year as a reminder to homeowners of the maximum fill level. After the maximum fill today, Cascade will lower the level and keep the reservoir between elevation 541.5 and 543 feet (usually about 542.7 feet) through late September. Press release: 2017 Lake Tapps Reservoir Maximum Fill Share this:

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Cascade Hosts “Clean and Healthy Lake Tapps” Open House, May 16

May 01, 2017

Cascade Water Alliance invites the public to an open house on Tuesday, May 16, at 6:00 p.m., to learn more about how everyone can help keep Lake Tapps Reservoir clean and healthy. Neighbors are invited to come chat with Cascade staff, learn more about Lake Tapps sign locator program, ensure they and their families SwimSafe this summer, understand the importance of a well-maintained sewer system, natural yard care and more. Please note the address listed in the press release is incorrect, the Open

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Fix a Leak Week

March 23, 2017

In recognition of national Fix a Leak Week, students at Discovery Elementary School in Sammamish learned how to construct a drip irrigation system to water vegetables in their school garden. They won’t waste a drop to grow healthy, organic food!     Share this:

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2017 Lake Tapps Reservoir Spring Refill Update

March 17, 2017

Cascade Water Alliance and the Lake Tapps Community Council announced today that the Lake Tapps Reservoir has reached recreation minimum pool levels (elevation 541.5 feet) a month ahead of the April 15 deadline. Cascade will raise the reservoir, as it does each year, to the maximum full recreational level of elevation 543 feet during the middle of May to remind homeowners of the highest allowable level this reservoir can go in concert with existing homeowners’ agreements with Cascade. Cascade will then maintain the Lake

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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