Elk River (Elkmore) encompasses the area enclosed by a line beginning at a point on shore, at or near Lat. 39º33.297'N., Long. 75º52.22'W., then running 107º (True) to a point, at or near Lat. 39º33.266'N., Long. 75º52.087'W., then running 196º (True) to a point, at or near Lat. 39º33.068'N., Long. 75º52.158'W., then running 290º (True) to a point on shore, at or near Lat. 39º33.102'N., Long. 75º52.278'W. This area has a 6-knot speed limit Saturdays, Sundays, and State holidays during the boating season.
Md. Code Regs. 08.18.31.03
Regulation .03 amended effective 41:22 Md. R. 1318, eff.11/10/2014