A muskrat keeps burrowing into old dock floats made of polystyrene. Residents say it’s been problem for over a year.
KIRKLAND, Wash. — Tiny white specks of polystyrene foam have been washing up along the shores of Lake Washington at Kirkland’s Homeport Marina for more than a year, polluting the water and littering the shore.
Michelle Alton-Kaehler first noticed the foam debris in February 2025 during her morning walks along the marina beach. She soon identified the source: deteriorating foam floating beneath aging docks, chewed apart by muskrats seeking shelter.
“This is something that is preventable. We can do something about it,” Alton-Kaehler
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