1. A. Area. All of the waters of the Potomac River upstream of a line beginning at a point defined by Lat. 38° 21’ 04.07” N, Long. 77° 0’ 58.24” W; then running 82° True to a point defined by Lat. 38° 21’ 24.78” N, Long. 76° 58’ 36.89” W; and downstream of a line beginning at a point defined by Lat. 38° 22’ 18.25” N, Long. 76° 59’ 04.53” W; then running 260° True to a point defined by Lat. 38° 22’ 03.52” N, Long. 77° 0’ 56.60” W.
2. B. The area described in §A of this regulation has a 6-knot speed limit all year.
3. C. This regulation shall be effective through December 31, 2024.

Authority: 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 July 7, 2014 (41:13 Md. R. 751)

Regulation .02 amended effective July 7, 2014 (41:13 Md. R. 751)

Regulation .02A amended effective May 23, 1994 (21:10 Md. R. 843)

Regulation .02B amended effective July 9, 2012 (39:13 Md. R. 785)

Regulation .02D—J adopted effective May 23, 1994 (21:10 Md. R. 843)

Regulation .03 amended effective July 7, 2014 (41:13 Md. R. 751)

Regulation .03F adopted effective September 11, 1995 (22:18 Md. R. 1399)

Regulation .03A amended effective March 22, 2010 (37:6 Md. R. 477)

Regulation .03B amended effective March 13, 2017 (44:5 Md. R. 291)

Regulation .03G, H adopted effective May 1, 2000 (27:8 Md. R. 797)

Regulation .03I adopted effective March 22, 2010 (37:6 Md. R. 477)

Regulation .03I amended effective February 6, 2012 (39:2 Md. R. 140)

Regulation .03J adopted effective July 9, 2012 (39:13 Md. R. 785)

Regulation .04 amended as an emergency provision effective August 25, 1992 (19:18 Md. R. 1652); amended permanently effective February 1, 1993 (20:2 Md. R. 112)

Regulation .04 amended as an emergency provision effective January 6, 1994 (21:2 Md. R. 94); amended permanently effective March 28, 1994 (21:6 Md. R. 466)

Regulation .04 amended as an emergency provision effective November 18, 1994 (21:25 Md. R. 2092); amended permanently effective March 6, 1995 (22:4 Md. R. 236)

Regulation .04 amended effective July 7, 2014 (41:13 Md. R. 751)

Regulation .04A amended effective August 2, 2004 (31:15 Md. R. 1185)

Regulation .04B amended effective March 22, 2010 (37:6 Md. R. 477); May 25, 2015 (42:10 Md. R. 684)

Regulation .05 adopted effective May 24, 1993 (20:10 Md. R. 850)

Regulation .05 amended effective July 7, 2014 (41:13 Md. R. 751)

Regulation .05C adopted effective February 16, 2026 (53:3 Md. R. 121)

Regulation .06 adopted as an emergency provision effective January 31, 2002 (29:4 Md. R. 411); adopted permanently effective April 29, 2002 (29:8 Md. R. 697)

Regulation .06 amended effective July 7, 2014 (41:13 Md. R. 751)

Regulation .07 adopted as an emergency provision effective December 22, 2020 (48:2 Md. R. 46); emergency provision withdrawn (48:7 Md. R. 260)

Regulation .07 adopted effective May 31, 2021 (48:11 Md. R. 428)