St. Croix Wetland Management District St. Croix Wetland Management DistrictStation reference point WPA Open (Open)8,481 acres Oak Ridge WPA (Special regs)427 acres Cook's Pond WPA140 acres Iron Creek WPA47 acres Red Cedar WPA336 acres Rock Creek WPA672 acres Strehlau WPA71 acres Alden WPA40 acres Beyl WPA126 acres Bierbrauer WPA275 acres Boe WPA48 acres Clear Lake WPA154 acres Farmington WPA30 acres Houghdahl-North WPA92 acres Houghdahl - South WPA59 acres Kobernick WPA135 acres Meadowlark WPA22 acres Parker Creek WPA38 acres Plum Brush WPA90 acres Rose Lee WPA149 acres Spring Meadows WPA133 acres Steffan WPA46 acres Suckut WPA49 acres Bass Lake WPA423 acres Betterly WPA485 acres Clapp WPA239 acres Deer Park WPA351 acres Erickson WPA476 acres Hammond WPA26 acres Hanten WPA85 acres Kerber WPA156 acres Kostka WPA350 acres Lundy WPA132 acres Oak Ridge South WPA71 acres Oak Ridge WPA632 acres Oak Ridge WPA/Hanten WPA119 acres Plum Brush WPA65 acres Prairie Flats - North WPA219 acres Prairie Flats - South WPA501 acres Risberg WPA38 acres Somerset WPA65 acres St. Croix Prairie WPA141 acres Stanton Prairie WPA353 acres Star Prairie WPA312 acres Ten Mile WPA516 acres Three Lakes WPA249 acres Twelve Ponds WPA94 acres Weiss WPA36 acres White WPA56 acres