1. A. Lower South River Area. This encompasses the area upstream of a line beginning at Thomas Point, at or near Lat. 38° 54.433’ N., Long. 76° 27.615’ W., then running 227° (True) to Saunders Point, at or near Lat. 38° 53.108’ N., Long. 76° 29.445’ W., and downstream of a line beginning at Shadow Point, at or near Lat. 38° 56.783’ N., Long. 76° 32.981’ W., then running 32° (True) to a point, at or near Lat. 38° 57.057’ N., Long. 76° 32.762’ W. Except as otherwise restricted, the speed limits for this area are:

   1. (1) 35 knots from sunrise to sunset during the boating season; and
   2. (2) 20 knots from sunset to sunrise during the boating season.
2. B. Route 2 Bridge Area. This encompasses the area upstream of a line beginning at a point at or near Lat. 38° 56.783’ N., Long. 76° 32.981’ W., then running 32° (True) to Shadow Point, at or near Lat. 38° 57.057’ N., Long. 76° 32.762’ W., and downstream of a line beginning at a point, at or near Lat. 38° 56.916’N., Long. 76° 33.429’ W., then running 358° (True) to a point, at or near Lat. 38° 57.377’ N., Long. 76° 33.447’ W., and not including Warehouse and Gingerville Creeks. Except as otherwise restricted, the speed limit for this area is 6 knots.

3. C. Area Between Riva Bridge and Route 2 Bridge. This encompasses the area upstream of a line beginning at a point Lat. 38° 56.916’ N., Long. 76° 33.429’ W., then running 358° (True) to a point, at or near Lat. 38° 57.377’ N., Long. 76° 33.447’ W., and downstream of a line beginning at a point at or near Lat. 38° 57.229’ N., Long. 76° 34.330’ W., then running 30° (True) to a point, at or near Lat. 38° 57.451’ N., Long. 76° 34.166’ W. Except as otherwise restricted, the speed limits for this area are:

   1. (1) 35 knots from sunrise to sunset during the boating season; and
   2. (2) 20 knots from sunset to sunrise during the boating season.

4. D. Riva Bridge Area.

   1. (1) Area. All of the waters upstream of a line beginning at a point at or near Lat. 38°57.229' N, Long. 76°34.330' W; then running 30° True to a point, at or near Lat. 38°57.451' N, Long. 76°34.166' W; and downstream of a line beginning at a point, at or near Lat. 38°57.211' N, Long. 76°34.545' W; then running 20° True to Addison Point, at or near Lat. 38°57.495' N, Long. 76°34.412' W.
   2. (2) The speed limit for the area described in §D(1) of this regulation is 6 knots at all times.

5. E. Area Between Riva Bridge and Upper South River Controlled Ski Area. This encompasses the area upstream of a line beginning at a point at or near Lat. 38° 57.211’ N., Long. 76° 34.545’ W., then running 20° (True) to a point, at or near Lat. 38° 57.495’ N., Long. 76° 34.412’ W., and downstream of a line beginning at a point, at or near Lat. 38° 58.637’ N., Long. 76° 36.365’ W., then running 72° (True) to a point, at or near Lat. 38° 58.685’ N., Long. 76° 36.177’ W. Except as otherwise restricted, the speed limits for this area are:

   1. (1) 35 knots from sunrise to sunset during the boating season; and
   2. (2) 20 knots from sunset to sunrise during the boating season.

6. F. Upper South River Controlled Ski Area. This encompasses the area upstream of a line beginning at a point at or near Lat. 38° 58.085’ N., Long. 76° 36.013’ W., then running 65° (True) to a point, at or near Lat. 38° 58.168’ N., Long. 76° 35.780’ W., and downstream of a line beginning at a point at or near Lat. 38° 58.637’ N., Long. 76° 36.365’ W., then running 72° (True) to a point, at or near Lat. 38° 58.685’ N., Long. 76° 36.177’ W. Except as otherwise restricted, the speed limit for this area are:

   1. (1) 35 knots from sunrise to sunset during the boating season; and
   2. (2) 20 knots from sunset to sunrise during the boating season;
   3. (3) This area may have a controlled ski course as set forth in COMAR 08.04.16.
   4. (4) Minimum wake zone when vessels displaying a DNR Ski Sticker are using the permitted controlled ski course.
7. G. Route 50 Bridge Area. This encompasses the area upstream of a line beginning at a point at or near Lat. 38° 58.637’ N., Long. 76° 36.365’ W., then running 72° (True) to a point, at or near Lat. 38° 58.685’ N., Long. 76° 36.177’ W., and running to the head of the river. Except as otherwise restricted, the speed limit for this area is a minimum wake zone.

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 June 8, 1992 (19:11 Md. R. 1013); June 24, 2013 (40:12 Md. R. 1041)

Regulations .02—.04 repealed and new Regulations .02—.05 adopted effective June 8, 1992 (19:11 Md. R. 1013)

Regulation .02 amended effective June 24, 2013 (40:12 Md. R. 1041); March 28, 2016 (43:6 Md. R. 406)

Regulation .02D amended effective November 1, 2021 (48:22 Md. R. 937)

Regulation .02F amended effective March 13, 2017 (44:5 Md. R. 291)

Regulation .02G adopted effective May 18, 1998 (25:10 Md. R. 746)

Regulation .03 amended effective June 24, 2013 (40:12 Md. R. 1041)

Regulation .03B amended effective February 1, 1993 (20:2 Md. R. 112)

Regulation .04 amended effective June 24, 2013 (40:12 Md. R. 1041)

Regulation .04H amended effective February 16, 2026 (53:3 Md. R. 121)

Regulation .05 repealed effective March 28, 2016 (43:6 Md. R. 406)

Regulation .05B, C amended effective June 24, 2013 (40:12 Md. R. 1041)