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In The News

Cascade and Partners’ Water Supply Work Honored by Harvard

January 18, 2017

Cascade Water Alliance and partners of the Central Puget Sound Water Supply Forum were honored by Harvard University as one of the 2017 Bright Ideas in Government for policies, initiatives, and best practices. The Forum identified potential challenges to the region’s water supply with earthquakes, water quality issues, drought and climate change. The Forum’s goal is to ensure safe, reliable quality water for the region’s 2.3 million residents and businesses. For more information, click here. Share this: Read More

Lake Tapps Winter Levels Updated; Short Drawdown Scheduled

January 10, 2017

There will be a short-term drawdown for the Lake Tapps Reservoir this winter in conjunction with the installation and testing of valves at the Powerhouse. The drawdown will begin this weekend, and over the next three weeks the reservoir will be drawn down 6′ – 8′ to approximate elevation 536.5′. The reservoir will be maintained around that 536.5′ level, weather dependent, until refill begins in early March. If homeowners are considering improvements or new projects, early February to early March will be a good time to do them. Appropriate

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Lake Tapps Winter Levels Update – Short Drawdown Scheduled

November 10, 2016

Lake Tapps level is expected to stay at approximately 541′ to 542′ through mid to late January, when Cascade anticipates completing installation of a new valve at the Powerhouse. Around Feb. 1, Cascade plans to test the new $2 million valve, which has been installed to ensure even more reliability and safety in operating the reservoir. To do so, Cascade will draw the reservoir down approximately 6′ to 8′, reaching an elevation around 535′ in late February. The reservoir level will then be maintained around 535′ through early to mid-March. If

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Lake Tapps Level Lowered For Expected Storms

October 14, 2016

In anticipation of a potential upcoming storm event this weekend, Cascade determined that it is advisable to lower the Lake Tapps Reservoir level beginning Thursday, Oct. 13, 2016, from its then level of 541.9 feet to protect the dikes from wave action due to predicted high winds and heavy rain.  Just after 6:00 pm Thursday, Cascade opened Valve No. 1, releasing approximately 450 – 470 cfs through the tailrace. The plan is to release at this level until early Monday (Oct. 17)

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EPA Honors Cascade Water Alliance for “Excellence in Strategic Collaboration”

October 06, 2016

Today the U.S. Environmental Protection Agency honored 20 businesses, municipalities, utilities, and organizations for their commitment to protecting the environment through promoting water efficiency.  Cascade was awarded the “Excellence in Strategic Collaboration”,  which recognizes Cascade  for its work in creating partnerships and enlisting support from other groups, organization and entities to spread the water conservation message across its service district in suburban King County. For more information click here Share this:

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Algae Advisory Lifted for Lake Tapps!

September 06, 2016

Tacoma-Pierce County Health Department has lifted the Toxic Algae Caution Advisory for Lake Tapps and states that Advisory signs will be removed from Allan Yorke Park and Lake Tapps North Park this afternoon. Health Department staff checked 16 locations around Lake Tapps earlier today and for the second consecutive week did not find any visible algae.  In addition, they haven’t received any new reports of illness associated with swimming at Lake Tapps.   Share this: Read More

Lake Tapps 2016 Drawdown and 2017 Fill Schedule Announced

September 06, 2016

Beginning today, Lake Tapps Reservoir will be allowed to float down through the fall, with an anticipated lake level drop of approximately one foot by Thanksgiving. Homeowners should watch lake levels to determine when to take their boats out of the water. In January, Cascade will test a new valve and will draw the reservoir down approximately 6 to 8 feet, which would be a good time for residents to consider improvements or new projects, with the appropriate permits. Active fill will begin

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Lake Tapps Algae Update:

September 02, 2016

On Monday, Aug. 29, The Tacoma-Pierce County Health Department sampled water from Lake Tapps. Again, test results did not show detectable toxins. Yesterday the Health Department checked 15 locations around Lake Tapps and did not see any algae. They will check again next week and if no algae is present the Caution Advisory for Lake Tapps will be lifted.  The Health Department informed Cascade: “For now our Caution Advisory remains in effect, and we encourage people to avoid areas where visible algae

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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