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.
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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 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 >>
A Mitigated Determination of Nonsignificance (MDNS), dated September 2, for the Cascade Water Alliance Short-Term Water Authorization Request in Connection with a Minor Flowline Outage has been prepared in compliance >>
Cascade Water Alliance is issuing this Request for Expressions of Interest (RFEI) to firms potentially interested in providing contracted operations and maintenance services (O&M) for Cascade’s White River – Lake >>
Lake Tapps, WA – Cascade Water Alliance has announced the 2025 Lake Tapps Reservoir water levels and fall drawdown plan. Due to a construction project at the White River diversion >>
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!
January 2, 2024
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 >>
A Mitigated Determination of Nonsignificance (MDNS), dated September 2, for the Cascade Water Alliance Short-Term Water Authorization Request in Connection with a Minor Flowline Outage has been prepared in compliance >>
Cascade Water Alliance is issuing this Request for Expressions of Interest (RFEI) to firms potentially interested in providing contracted operations and maintenance services (O&M) for Cascade’s White River – Lake >>
Rosters, RFQs, RFPs, ITBs & SEPA
Cascade Water Alliance is issuing a Request for Expressions of Interest to firms potentially interested in providing contracted operations and maintenance services for Cascade’s White River – Lake Tapps Reservoir Project. Submissions are due no later than 5PM on Friday, September 26, 2025. For more info click here: Cascade Water Projects, RFQs & RFPs