Item: Blackwell Marina expansion moves forward/Tania Dall, KXLY

More Info: Hagadone plans to transform the outdated facility with a new design that calls for 420 boat slips and space for 128 personal watercraft. ... Future additions could include retail and commercial space. The Coeur d’Alene Lakeshore Property Owners Association believes the project will boost the local economy.

Question: What impact will a vastly expanded Blackwell Island marina have on the waterways of Lake Coeur d'Alene and the Spokane River?