Home

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 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.

Click here for Cascade’s 20th Anniversary Legacy video.

Issaquah planning new water treatment plant

Taken from the city of Issaquah, WA website – see full article here. Overview To ensure reliable and safe drinking water for decades to come, Issaquah is now planning for  >>

Lake Levels Update – Drawdown

Cascade Water Alliance will be keeping the Lake Tapps Reservoir full through early to mid-October. The reservoir will slowly float down to about 540 feet by the end of October  >>

Second 2019 Milfoil Treatment

A second, and final, milfoil chemical treatment will be applied to additional areas of the Lake Tapps Reservoir the week of August 12. Residents in planned treatment areas will be  >>

Free Lake Tapps Incident Locators Available

The Lake Tapps Incident Locator Program, first launched in 2014 by East Pierce Fire and Rescue, continues to be an effective way to ensure that public safety help gets where  >>

TappsWise Program

Cascade, in partnership with Tacoma-Pierce County Department of Health offers TappsWise, a program with information and workshops on natural yard care and septic system maintenance. Click here for more information.

April 15, 2019

Issaquah planning new water treatment plant

Taken from the city of Issaquah, WA website – see full article here. Overview To ensure reliable and safe drinking water for decades to come, Issaquah is now planning for  >>

Lake Levels Update – Drawdown

Cascade Water Alliance will be keeping the Lake Tapps Reservoir full through early to mid-October. The reservoir will slowly float down to about 540 feet by the end of October  >>

Second 2019 Milfoil Treatment

A second, and final, milfoil chemical treatment will be applied to additional areas of the Lake Tapps Reservoir the week of August 12. Residents in planned treatment areas will be  >>