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

In The News

Cascade’s 2015 Water Efficiency Program Report Now Available!

February 05, 2016

Cascade’s 2015 water efficiency program saves more than 79,000 gallons of water per day and continues to reduce the need for additional water supply in the near term. Cascade staff engaged with approximately 25,000 residents, businesses, and schools though community outreach, education, training, and incentive programs. You can access the 2015 Water Efficiency Program report here. 2015 AnnualReport Share this:

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Cascade Gardener 2016 Class Catalog; Visit Cascade at the NW Flower and Garden Show, Feb 17-21

January 29, 2016

Bellevue WA –  From February to April 2016 Cascade Water Alliance and its members are offering 30 free classes on a wide range of topics taught by our team of expert gardening professionals.  Classes are FREE, but registration is required. For more information, and to register through Brown Paper Tickets, visit www.cascadewater.org/classes.php .   isit the Cascade Water Alliance at the Northwest Flower and Garden Show Feb 17-21 at the Washington State Convention Center to receive free flower packets, giveaways and tips to help

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Correction for NY Times Error about Water Quality

January 11, 2016

A Jan. 6, 2015 New York Times Magazine article, The Lawyer Who Became DuPont’s Worst Nightmare, erroneously reported that the manufactured fluro-chemical perfluorooctanoic acid (PFOA) has been detected in Seattle’s water supply. PFOAs have been sampled for—and not found—in Seattle’s drinking water. Seattle Public Utilities (SPU) provides pure mountain drinking water to approximately 1.3 million people in the metropolitan region, including Cascade and its members. In making its claim, The Times cited a table published by the Washington, D.C.-based Environmental Working Group

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Regional Water Supply Conditions Back to Normal, Cascade Deactivates Water Shortage Response Plans, Monitors Weather

November 23, 2015

Bellevue WA – Today, Cascade Water Alliance joined the cities of Everett, Seattle and Tacoma in deactivating its Water Shortage Response Plan. Cascade and its members, Bellevue, Kirkland, Issaquah, Redmond, Tukwila and the Sammamish Plateau and Skyway Water and Sewer Districts, get their drinking water from the Seattle water supply. Heavy rains in late October and early November led the three cities and Cascade to declare that water supply conditions were getting back to normal. Since that time, there’s been an overall

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Regional Water Supply Conditions Improve

November 10, 2015

Bellevue, WA – Today Cascade Water Alliance announced that it is joining the Cities of Seattle, Tacoma and Everett in moving to the lowest stage of their Water Shortage Response Plans, the advisory stage, saying conditions no longer warrant being in the “voluntary” stage in which customers were asked to reduce water use by 10 percent. Cascade and its members, Bellevue, Kirkland, Issaquah, Redmond, Tukwila and the Sammamish Plateau and Skyway Water and Sewer Districts, get their drinking water from the Seattle

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Lake Tapps Community Celebrates Third Swimsafe Summer!

November 05, 2015

Lake Tapps WA – For the third year in a row the Lake Tapps community is celebrating a Swimsafe summer with no reported drowning in Lake Tapps. 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 Swimsafe.  Their efforts

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Fall Drawdown Schedule for Lake Tapps Reservoir Announced

October 26, 2015

Lake Tapps, WA  –   Cascade Water Alliance in consultation with the Lake Tapps Community Council today announced its expected fall drawdown schedule for fall 2015 and fill in early spring 2016. The fall drawdown of Lake Tapps will begin the last half of November.  Until then, Cascade will maintain the reservoir at current levels (approximately elevation 541-542 feet). Cascade will be lowering the reservoir in the last half of November approximately two to three feet (to approximately elevation 539.5 feet) to protect

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Lake Tapps Reservoir Update

September 22, 2015

The Lake Tapps Reservoir remains full, and Cascade is allowing the current fall weather to slowly bring the level to the minimum recreation levels (election 541.5 feet) well into October. On or after the end of October, Cascade will announce that it will drop the level of the reservoir only a couple of feet in November to prevent risk to the safety of the dikes from winter storms, rains and wave action. It will remain at that level for the remainder of

The Lake Tapps Reservoir remains full, and Cascade is allowing the current fall weather to slowly bring the level to the minimum recreation levels (election 541.5 feet) well into October.
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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