Iowa Wetland Management District Iowa Wetland Management DistrictStation reference point WPA Open (Open)26,218 acres Buffalo Creek Bottoms (Special regs)168 acres Core Area (Special regs)303 acres Waterfowl Refuge (Special regs)834 acres No Hunting Area (Closed)5.7 acres Harrier WPA410 acres Pickerel Lake WPA69 acres Bailey Creek WPA159 acres Beaver Dam WPA152 acres Sandpiper WPA124 acres Teal Basins WPA151 acres Union Hills WPA2,132 acres Barringer Slough WPA273 acres Dan Greene WPA204 acres Dewey's Pasture WPA264 acres Ducks Unlimited Marsh WPA53 acres Elk Lake WPA192 acres Iowa Natural Heritage Foundation WPA69 acres Cayler Prairie WPA71 acres Cory Marsh WPA71 acres Diamond Lake WPA561 acres Dugout Creek WPA788 acres Garlock Slough WPA347 acres Iowa National Heritage Foundation WPA81 acres Jemmerson Slough WPA538 acres Kettleson Hogsback WPA143 acres McClurg WPA119 acres Santee Prairie WPA454 acres Spring Run WPA1,233 acres Swan Lake WPA742 acres Welsh Lake WPA962 acres West Lake Okoboji WPA140 acres Yager Slough WPA539 acres Burr Oak WPA183 acres Cheever Lake WPA134 acres Eagle Lake WPA344 acres Four Mile WPA280 acres Ingham Lake WPA775 acres Iowa National Heritage Foundation WPA80 acres Tuttle Lake WPA313 acres Twelve Mile WPA162 acres Wellnitz WPA120 acres West Swan Lake WPA149 acres Dunbar Slough WPA887 acres Snake Creek WPA235 acres Bays Branch WPA277 acres Lakin Slough WPA26 acres Crystal Lake WPA43 acres Eagle Flats WPA174 acres Eagle Lake WPA74 acres Lake Edwards WPA92 acres Meredith Marsh WPA143 acres Smith WPA326 acres Bison WPA236 acres Blazing Star WPA115 acres Blue-wing WPA173 acres Bluestem WPA162 acres Bobolink WPA307 acres Copp Prairie WPA237 acres Dickcissel WPA159 acres Goose Lake WPA161 acres Iowa Lake Marsh WPA138 acres Mallard WPA142 acres Maynard Reece WPA556 acres Pintail WPA154 acres Prairie Smoke WPA312 acres State Line Marsh WPA134 acres Wapati WPA95 acres Bluewing Marsh WPA392 acres Dewey's Pasture WPA254 acres Fallow Marsh WPA77 acres Palo Alto WPA50 acres Plover WPA159 acres Shimon Marsh WPA491 acres Errington Marsh WPA147 acres Blackhawk Marsh WPA127 acres Kiowa Marsh WPA756 acres Tomahawk Marsh WPA50 acres Good Neighbors Marsh WPA201 acres Hogsback Marsh WPA240 acres Myre Slough WPA111 acres Pilot Knob WPA196 acres Rice Lake WPA296 acres Winnebago County WPA428 acres Wood Duck Marsh WPA75 acres Elk Creek WPA543 acres Grass Lake WPA145 acres Harlontown Slough WPA939 acres Big Wall Lake WPA218 acres Lower Morse Lake WPA1,804 acres Olaf WPA38 acres