The State will probably be slow to update the regs but here's the one for C&D Canal
3900 Wildlife
General Rules and Regulations Governing Land and Waters Administered by the Division8.3.4 Firearms on Division Areas.
8.3.4.1 It shall be unlawful for any person to possess a firearm on lands or waters administered by the Division from March 1 through August 31, except as authorized by the Director in writing.
8.3.4.2 It shall be unlawful for any person to
possess a rifled firearm of any description at any time on those lands bordering the Chesapeake and Delaware Canal and licensed to the Department by the Government of the United States for wildlife management purposes, except that muzzleloaders and shotguns with rifle barrels may be used during deer seasons when it is lawful to use those firearms.
8.3.4.3 It shall be unlawful for any person to discharge any firearm on lands or waters administered by the Division on Sunday, except in areas designated by the Director or with a permit from the Director.
8.3.4.4 It shall be unlawful for any person to discharge any firearm on lands or waters administered by the Division for any purpose, including target shooting, other than to hunt during an open season, under conditions approved by the Director and specified on the current wildlife area map.
8.3.4.5 It shall be unlawful to possess, consume or be under the influence of alcoholic beverages, liquors or drugs while hunting or in the possession of firearms when on lands administered by the Division.
8.3.5 Dikes. It shall be unlawful for any person to be in possession of any firearm on any dike administered by the Division, unless such person is temporarily crossing a dike at a ninety degree angle or traversing a dike to reach a Division authorized deer stand location during a deer firearms hunting season.