Fishing in Mount Vernon, IA

Statewide regulations: No closed season.Daily bag limit = 3 bass (largemouth, smallmouth, and spotted bass, combined).Daily possession limit = 6 bass (combined)EXCEPTIONS:All black bass caught from the following stream segments and lakes must be released alive immediately: Brown Lake (Jackson)Cedar River (Mitchell) extending downstream from the bridge on county road A19 east of Otranto as posted to the bridge on county road T26 south of St. Ansgar Maquoketa River (Delaware) extending downstream from below Lake Delhi Dam as posted to the first county gravel road bridge Middle Raccoon River (Guthrie) extending downstream from below Lake Panorama Dam as posted to the dam at Redfield Upper Iowa River (Winneshiek) extending downstream from the Fifth Street bridge in Decorah as posted to the upper dam Wapello Lake (Davis).Inland Waters: Minimum size = 15-inches in all public lakes, including Coralville, Rathbun, Saylorville, and Red Rock reservoirs except as otherwise posted, including: Ada Hayden (Story): 18-inch minimumAhquabi, Hooper (Warren): 18-inch minimumBig Creek: 18-inch minimumCasey (Tama): 18-inch minimumCold Springs (Cass): 18-inch minimumGreen Valley (Union): 18-inch minimumHawthorn (Mahaska): all 12 to 16-inch fish must be immediately released!Hendricks (Howard): 18-inch minimumKrumm (Jasper): 18-inch minimumLittle Wall (Hamilton): 18-inch minimumLost Grove (Scott): 18-inch minimumMill Creek (O'Brien): 18-inch minimumPleasant Creek (Linn): 18-inch minimumSmith (Kossuth): 18-inch minimumSouth Prairie (Black Hawk): 18-inch minimum Sugema (Van Buren): all 12 to 18-inch fish must be immediately released! Swan Lake (Carroll): 16-inch minimumThomas Mitchell: 18-inch minimumYellow Banks (Polk): 18-inch minimumInterior Streams & River Impoundments Minimum size limit = 12-inch minimum except Boundary Rivers (including associated chutes and backwaters where intermittent or constant flow occur)Daily Bag Limit = 5 bass (largemouth, smallmouth, and spotted bass, combined).Possession Limit = 10 bass (largemouth, smallmouth, and spotted bass, combined).Mississippi River: Minimum size = 14-inches total length. Missouri River: Minimum size = 12-inches total length.