A North Shore ski area, Lutsen, wants to pull more water from the Poplar, a wild steelhead and coaster spawning river in northern Minnesota.  The resort has been doing so for years and a greater drawdown could affect the rivers levels, causing the river to possibly freeze all the way through in the winter.  In Minnesota, it’s been illegal since 1977 to withdraw water from such streams.  Here’s a great article about the issue by Dennis Anderson: