The Susquehanna River encompasses all the waters of the Susquehanna River and its tributaries north of a line beginning at a point, at or near Lat. 39° 32.367' N., Long. 76° 5.0830' W., then running 60° (True) to a point, at or near Lat. 39° 32.850' N., Long. 76° 4.000' W. The Lower Susquehanna River encompasses the area south of a line beginning at the east end of the old railroad bridge, at or near Lat. 39° 34.323' N., Long. 76° 4.822' W., then running 242° (True) to the east shore of Garrett Island, at or near Lat. 39° 34.243' N., Long. 76° 5.013' W., east of a line running southerly along the shore to the south end of Garrett Island, at or near Lat. 39° 33.552' N., Long. 76° 5.107' W., then north and east of a line running 178° (True) to the AMTRAK railroad bridge, at or near Lat. 39° 33.285' N., Long. 76° 5.095' W., then running 69° (True) to the east end of the AMTRAK railroad bridge, at or near Lat. 39° 33.382' N., Long. 76° 4.775' W. This area has a 6-knot speed limit all year. Broad Creek encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 41.992' N., Long. 76° 14.280' W., then running 164° (True) to a point, at or near Lat. 39° 41.877' N., Long. 76° 14.237' W., and running to the head of the creek. This area has a 6-knot speed limit all year. Conowingo Creek encompasses the area upstream of a line beginning at a point, at or near Lat. 39° 40.987' N., Long. 76° 11.857' W., then running 137° (True) to a point, at or near Lat. 39° 40.932' N., Long. 76° 11.790' W., and running to the head of the creek. This area has a 6-knot speed limit all year. Conowingo Dam encompasses the area north of a line beginning at point, at or near Lat. 39° 39.762' N., Long. 76° 9.605' W., then running 227° (True) to a point, at or near Lat. 39° 39.245' N., Long. 76° 10.320' W., and south of a line beginning at a point, at or near Lat. 39° 40.197' N., Long. 76° 10.483' W., then running 199° (True) to a point, at or near Lat. 39° 39.438' N., Long. 76° 10.812' W. Vessels are prohibited in this area all year. Area. Excluding the area defined in Regulation .07 of this chapter, the area encompasses all of the waters enclosed by a line beginning at a point at or near Lat. 39° 32.262' N., Long. 76° 5.541' W., then running 176° to a point, at or near Lat. 39° 32.113' N., Long. 76° 5.526' W., then running along the North shore of Tydings Island Eastward to a point, at or near Lat. 39° 32.193' N., Long. 76° 5.31' W., then running 93° to a point, at or near Lat. 39° 32.177' N., Long. 76° 4.902' W., then running 2° to a point, at or near Lat. 39° 32.502' N., Long. 76° 4.888' W., then running 355° to a point, at or near Lat. 39° 32.742' N., Long. 76° 4.913' W., then running 338° to a point, at or near Lat. 39° 32.87' N., Long. 76° 4.98' W., then running 328° to a point, at or near Lat. 39° 33.226' N., Long. 76° 5.273' W., then running 252° to a point, at or near Lat. 39° 33.185' N., Long. 76° 5.438' W., then running South along shore to the point of beginning. The speed limit for the area described in §A of this regulation is 6 knots on Saturdays, Sundays, and State holidays during the boating season. The construction area encompasses all of the waters of the Susquehanna River enclosed by a line beginning at a point defined by Lat. 39°32.969' N, Long. 76°5.268' W; then running 329° True to a point defined by Lat. 39°33.509' N, Long. 76°5.682' W; then running 60° True to a point defined by Lat. 39°33.927' N, Long. 76°4.762' W; then running 168° True to a point defined by Lat. 39°33.178' N, Long. 76°4.548' W; then running 249° True to the point of beginning. The speed limit for the area described in this regulation is 6 knots at all times. Natural Resources Article, §§8-703 and 8-704, Annotated Code of Maryland Effective date: February 3, 1992 (19:2 Md. R. 153) Regulation .01 amended effective August 4, 2014 (41:15 Md. R. 890) Regulation .02 amended effective August 4, 2014 (41:15 Md. R. 890) Regulation .03 amended effective August 4, 2014 (41:15 Md. R. 890) Regulation .04 amended effective August 4, 2014 (41:15 Md. R. 890) Regulation .05 amended as an emergency provision effective September 24, 2002 (29:20 Md. R. 1584); amended permanently effective December 23, 2002 (29:25 Md. R. 1981) Regulation .05E amended effective August 4, 2014 (41:15 Md. R. 890) Regulation .06 adopted effective March 28, 1994 (21:6 Md. R. 466) Regulation .06 amended effective August 4, 2014 (41:15 Md. R. 890); March 20, 2023 (50:5 Md. R. 181) Regulation .06A amended effective August 4, 2025 (52:15 Md. R. 811) Regulation .07 adopted effective August 4, 2025 (52:15 Md. R. 811)