Lake Bosworth is a 103.0 acres lake located three miles south of Granite Falls. It is a deep lake, with a maximum depth of 79 feet and an average depth of 35 feet. The watershed, or the land area that drains into the lake is 955.5 acres, and it is mostly undeveloped except for dense homes located around the the lake shore.
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Water Quality Specialist
Ph: 425-388-3204
Water Quality Specialist
Ph: 425-262-2601
email us at lakes@snoco.org