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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 How-To Videos

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

Click here for the playlist of all Cascade’s how-to videos.

Lake Tapps Levels Update

Cascade is meeting its agreement with the Lake Tapps homeowners to keep a full recreational pool of Lake Tapps reservoir levels between elevation 541.5 and 543 feet from mid-April until  >>

Algae Update

The Tacoma Pierce County Health Department states “the toxin results for the algae sample collected from Lake Tapps on July 18, 2018  were below levels of concern”. The Health Department checked  >>

Health Department Issues Caution Advisory for Potential Toxic Algae

The Tacoma Pierce County Health Department states “A bloom of potentially-toxic algae is in the northeast area of Lake Tapps, along the east shore of Tapps Island. Health Department staff  >>

2018 Milfoil Treatment Plan

    Cascade Water Alliance, which owns and operates the Lake Tapps Reservoir, conducted two milfoil surveys this spring. Based on these surveys, Cascade is announcing  its 2018 planned milfoil  >>

TappsWise Program

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

April 27, 2018

Lake Tapps Levels Update

Cascade is meeting its agreement with the Lake Tapps homeowners to keep a full recreational pool of Lake Tapps reservoir levels between elevation 541.5 and 543 feet from mid-April until  >>

Algae Update

The Tacoma Pierce County Health Department states “the toxin results for the algae sample collected from Lake Tapps on July 18, 2018  were below levels of concern”. The Health Department checked  >>

Health Department Issues Caution Advisory for Potential Toxic Algae

The Tacoma Pierce County Health Department states “A bloom of potentially-toxic algae is in the northeast area of Lake Tapps, along the east shore of Tapps Island. Health Department staff  >>

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