What’s New at Cascade

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  >>


2019 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 2019 planned milfoil treatment. The areas  >>