The water level has dropped 2 feet. Fishing has been slow, but some anglers are catching a few walleye, trout, catfish and crappie. Jumbo requires an annual fishing/hunting ...more license, or an annual state wildlife access permit to enter Jumbo, per person ages 19 to 64. The minimum size for walleye and wipers is 15 inches. Report courtesy of www.kansasangler.com, Zeiner’s Bass Shop.