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.
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 >>
Cascade Water Alliance is soliciting Requests for Proposals for firms to perform on-call minor construction, repair, and maintenance projects at the White River – Lake Tapps Reservoir Project. Proposers must >>
Cascade Water Alliance invites the public to join its Water Use Efficiency Goal Setting Public Forum on Monday, November 3 from 11am to 12pm at Cascade's Bellevue office (11400 SE >>
Cascade Water Alliance previously announced the Lake Tapps Reservoir fall water levels and drawdown plan on August 18. Cascade held reservoir levels higher than normal this summer due to a >>
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
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 >>
Cascade Water Alliance is soliciting Requests for Proposals for firms to perform on-call minor construction, repair, and maintenance projects at the White River – Lake Tapps Reservoir Project. Proposers must >>
Cascade Water Alliance invites the public to join its Water Use Efficiency Goal Setting Public Forum on Monday, November 3 from 11am to 12pm at Cascade's Bellevue office (11400 SE >>
Rosters, RFQs, RFPs, ITBs & SEPA
Cascade is soliciting Requests for Proposals for firms to perform on-call minor construction, repair, and maintenance projects at the White River – Lake Tapps Reservoir Project. Proposals are due by 4PM (PST) on December 19, 2025. For more info, click here: Cascade Water Projects, RFQs & RFPs