Except for a riparian property owner and the riparian property owner's immediate family located along the prohibited portion of the Potomac River, a person may not operate a vessel in that portion of the Potomac River beginning at the crests of the dams in §A(1) and (2) of this regulation and extending for a distance of: 200 yards upstream at: Aqueduct Intake Dam (Great Falls) which encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 0.002' N., Long. 77° 14.917' W., then running 342° (True) to a point, at or near Lat. 39° 0.177' N., Long. 77° 14.988' W., then running 327° (True) to a point, at or near Lat. 39° 0.338' N., Long. 77° 15.125' W., then running 312° (True) to a point, at or near Lat. 39° 0.422' N., Long. 77° 15.242' W., and downstream of a line beginning at a point, at or near Lat. 39° 0.157' N., Long. 77° 14.850' W., then running 326° (True) to a point, at or near Lat. 39° 0.565' N., Long. 77° 15.197' W.; Paul E. Smith Dam (Williamsport) which encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 35.712' N., Long. 77° 49.688' W., then running 262° (True) to a point, at or near Lat. 39° 35.697' N., Long. 77° 49.833' W., and downstream of a line beginning at a point, at or near Lat. 39° 35.810' N., Long. 77° 49.705' W., then running 262° (True) to a point, at or near Lat. 39° 35.795' N., Long. 77° 49.850' W.; Dam No. 5 (near Clearspring) which encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 36.447' N., Long. 77° 55.297' W., then running 215° (True) to a point, at or near Lat. 39° 36.340' N., Long. 77° 55.393' W., and downstream of a line beginning at a point, at or near Lat. 39° 36.478' N., Long. 77° 55.425' W., then running 215° (True) to a point, at or near Lat. 39° 36.397' N., Long. 77° 55.498' W.; Dam No. 4 (near Downsville) which encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 29.758' N., Long. 77° 49.588' W., then running 192° (True) to a point, at or near Lat. 39° 29.612' N., Long. 77° 49.630' W., and downstream of a line beginning at or near Lat. 39° 29.780' N., Long. 77° 49.713' W., then running 192° (True) to a point, at or near Lat. 39° 29.633' N., Long. 77° 49.755' W.; and Kelly Springfield Dam (near Cumberland) which encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 38.897' N., Long. 78° 45.973' W., then running 33° (True) to a point, at or near Lat. 39° 38.940' N., Long. 78° 45.937' W., and downstream of a line beginning at or near Lat. 39° 38.922' N., Long. 78° 46.065' W., then running 180° (True) to a point, at or near Lat. 39° 38.760' N., Long. 78° 46.065' W.; and 100 yards upstream at Dam No. 1 (Brookmont Dam) which encompasses the area upstream of a line beginning at a point at or near Lat. 38° 56.957' N., Long. 77° 7.617' W., then running 253° (True) to a point, at or near Lat. 38° 56.878' N., Long. 77° 7.9480’W., and downstream of a line beginning at or near Lat. 38° 57.003' N., Long. 77° 7.635' W., then running 253° (True) to a point, at or near Lat. 38° 56.925' N., Long. 77° 7.967' W. Adjacent to Caledon State Park, King George County, Virginia. Except for boats used in commercial fishing operations pursuant to a commercial fishing license, and operating at a 6-knot or less speed limit, and boats operated under the supervision of the Caledon State Park, all boats are prohibited from that portion of the Potomac River within 1,000 feet of the mean low water mark adjacent to Caledon State Park, King George County, Virginia, as designated by buoys, at or near Lat. 38° 22.180' N., Long. 77° 7.652' W., then running 278° (True) to a point, at or near Lat. 38° 22.227' N., Long. 77° 8.063' W., then running 275° (True) to a point, at or near Lat. 38° 22.242'N., Long. 77° 8.275' W., then running 244° (True) to a point, at or near Lat. 38° 22.168' N., Long. 77° 8.467' W., then running 221° (True) to a point, at or near Lat. 38° 21.918' N., Long. 77° 8.745' W., then running 218° (True) to a point, at or near Lat. 38° 21.662' N., Long. 77° 9.003' W., then running 213° (True) to a point, at or near Lat. 38° 21.392' N., Long. 77° 9.223' W., then running 219° (True) to a point, at or near Lat. 38° 21.145' N., Long. 77° 9.475' W., then running 228° (True) to a point, at or near Lat. 38° 20.930'N., Long. 77° 9.775' W., then running 252° (True) to a point, at or near Lat. 38° 20.835'N., Long. 77° 10.153' W., then running 248° (True) to a point, at or near Lat. 38° 20.713' N., Long. 77° 10.532' W., then running 247° (True) to a point, at or near Lat. 38° 20.650' N., Long. 77° 10.720'W. during the boating season.