I use to work down there is HS. Was a great gig, and loved weekly stocking when I was on shift.....throw a few large ones in the back ponds no one would fish.... If they were roping off one pond, they are probably preparing for the night/evening fishing derby. For that they stick and then rope off and open it up when the derby starts......can become a crowded mess. Trout in Spring and Fall was the old schedule, think they still do they same. And yes the river would flood and sometimes land lock some of the largest carp I have ever seen.