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As our magnificent region continues to grow, our job is to provide clean, safe and reliable drinking water

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.

Cascade's Videos

Cascade’s Videos

 

Cascade has a YouTube Channel to access it’s videos, including how-to videos such as converting to drip irrigation, healthy lawns, and testing a toilet for leaks.

Request for Proposals for White River-Lake Tapps Reservoir Project Operations and Maintenance Agreement

Cascade Water Alliance (“Cascade”) is soliciting proposals for a multi-year contract for operations and maintenance services (the “Contract Services”) for Cascade’s White River-Lake Tapps Reservoir Project. Proposers must demonstrate experience  >>

Cascade Announces Spring Refill for Lake Tapps Reservoir – Feb. 3, 2026

Lake Tapps, WA – Cascade Water Alliance today announced it will begin the spring refill of the Lake Tapps Reservoir on Sunday, February 15. Cascade Water Alliance draws the reservoir  >>

Update from Cascade Water Alliance on Flooding and Lake Tapps Reservoir Levels – Dec. 16, 2025

Cascade has been watching the flooding issues very closely, and we are very concerned about what is happening to our neighbors in Pacific. Cascade’s headworks, where water is diverted from  >>

Update from Cascade Water Alliance on Emergency Weather Event and Lake Tapps Reservoir Levels – Dec. 11, 2025 at 9:30 AM

Cascade is actively monitoring and managing Lake Tapps Reservoir water levels during the state-declared emergency atmospheric river weather event. Due to an ongoing construction project at Cascade’s headworks, no water  >>

See what's happening with WeNeedWater!

We Need Water is Cascade’s water conservation campaign. The goal of the campaign is to educate people about water-based issues, engage them with the solutions, and empower them to make a difference. Click here!

September 30, 2025

Request for Proposals for White River-Lake Tapps Reservoir Project Operations and Maintenance Agreement

Cascade Water Alliance (“Cascade”) is soliciting proposals for a multi-year contract for operations and maintenance services (the “Contract Services”) for Cascade’s White River-Lake Tapps Reservoir Project. Proposers must demonstrate experience  >>

Cascade Announces Spring Refill for Lake Tapps Reservoir – Feb. 3, 2026

Lake Tapps, WA – Cascade Water Alliance today announced it will begin the spring refill of the Lake Tapps Reservoir on Sunday, February 15. Cascade Water Alliance draws the reservoir  >>

Update from Cascade Water Alliance on Flooding and Lake Tapps Reservoir Levels – Dec. 16, 2025

Cascade has been watching the flooding issues very closely, and we are very concerned about what is happening to our neighbors in Pacific. Cascade’s headworks, where water is diverted from  >>

Rosters, RFQs, RFPs, ITBs & SEPA

Cascade is soliciting Requests for Proposals for a multi-year contract for operations and maintenance services for Cascade’s White River – Lake Tapps Reservoir Project. Proposals are due by 5PM (PST) on Friday, May 15, 2026. For more info, click here: Cascade Water Projects, RFQs & RFPs