South Dakota Administrative Rules
Title 41 - Department of Game, Fish And Parks
Article 41:04 - Public waters
Chapter 41:04:02 - Public water zoning
Section 41:04:02:66 - Yankton County public water safety zones

(a) The waters fronting on the shoreline starting at the fishing pier of the Midway Unit of Lewis and Clark State Recreation Area and proceeding in a southwesterly direction 650 feet are a "public swimming zone";

(b) The waters fronting on the shoreline starting at a point in the center of the Gavin's Beach restroom, Gavin's Point Unit of Lewis and Clark State Recreation Area, extending 200 feet in a westerly direction and extending 250 feet in an easterly direction are a "public swimming zone";

(c) The waters of Lewis and Clark Marina area a "no wake zone";

(d) The waters fronting on the shoreline starting at the vault toilet near the intersection of the bicycle path that divides West Midway and Gavin's sections, extending 400 feet in a westerly direction and 125 feet in a southerly direction are a "no wake zone";

(e) The waters fronting on that portion of Lewis and Clark State Recreation Area beginning at the west end of the marina causeway extending 550 feet in a westerly direction are a "no motors zone";

(f) All waters north of the Lewis and Clark Recreation Area Midway boat launch breakwater inlet are a "no wake zone";

(g) The waters fronting on the shoreline starting at the vault toilet located next to the bike trail in the East Midway section near the East Midway Boat Ramp parking area of Lewis and Clark Recreation Area, extending 330 feet in an easterly direction and extending 125 feet in a southerly direction, commonly known as East Midway Boating Beach are a "no wake zone";

(h) The waters fronting on the shoreline starting at the vault toilet next to the bike trail dividing the East Midway Section and the Yankton Section of Lewis and Clark Recreation Area, extending 250 feet in a westerly direction and extending 125 feet in a southerly direction, commonly known as the West Yankton Boating Beach are a "no wake zone";

(i) The waters fronting on the shoreline starting at the rock jetty on the west border of the Midway Swim Beach extending 370 feet in a westerly direction to another rock jetty and extending 125 feet in a southerly direction, commonly known as Midway Boating Beach, are a "no wake zone";

(j) The waters fronting on the shoreline south of the Lewis & Clark Resort Lodge starting at the culvert to the west under the bike trail extending 245 feet in an easterly direction are a "no motors zone";