Photo courtesy of B. Paulson
Lake Cassidy is located north of Lake Stevens and three miles east of Marysville. The lake covers 131.0 acres and has an average depth of 11 feet. The watershed, or the land area that drains into the lake, covers 2,649.6 acres and about 18% of the land is developed.
Health Report Card |
In Depth Health Report |
Lakes experiencing toxic algae blooms are listed below.
Updated 5/19/2022
LAKE MARTHA NORTH - intermittent blue-green algae blooms along the western shoreline. WARNING signs are posted at public boat launch. A sample was collected on Tuesday, May 17 and toxins are below the Washington State recreational limits. Please assume toxins are present where there is scum.
Please follow the guidelines on the WARNING sign when recreating.
Water Quality Specialist
Ph: 425-388-3204
Water Quality Specialist
Ph: 425-262-2601
Water Quality Analyst
Ph: 425-262-2907
email us at lakes@snoco.org