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 41:04:02:11 - Charles Mix County public water safety zones

(1) The waters of Lake Francis Case fronting on that portion of the shoreline of Platte Creek Recreation Area, from a point on the west facing culvert near the road across from the Cabin #2 pull off, extending 140 feet in a north-northwesterly direction to the water's edge, then extending 250 feet along the shoreline in a south-southwesterly direction are a "public swim zone";

(2) The waters of Lake Francis Case fronting on that portion of the shoreline of Snake Creek Recreation Area from a point 80 feet due south of the center of the Double Vault/Change Stall building, and extending 200 feet in a southeast direction, and extending 300 feet in a northwest direction are a "public swimming zone";

(3) The waters of Lake Francis Case lying within the Platte Creek Recreation Area in section 15 and within the east 400 feet of the southeast quarter of the southeast quarter of section 16, township 98 north, range 69 west of the fifth principal meridian are a "no wake zone";

(4) The waters fronting on the campground beach of Pease Creek Recreation Area located along the eastern shoreline at the mouth of Pease Creek Bay in section 14, township 6 north, range 67 west of the fifth principal meridian are a "no wake zone";

(5) The waters of Lake Francis Case lying within the Snake Creek Recreation Area in section 15, township 99 north, range 70 west of the fifth principal meridian are a "no wake zone";

(6) In the North Wheeler Recreation Area of Lake Francis Case, all waters north and west of the boat ramp breakwater are a "no wake zone";

(7) In the North Point Recreation Area of Lake Francis Case, the waters fronting the St. Francis Beach parking lot approximately 450 feet in length and marked with buoys are a "public swimming zone";

(8) In the North Point Recreation Area of Lake Francis Case, the waters fronting the North Point campground beach parking lot approximately 400 feet in length and marked with buoys are a "public swimming zone";

(9) In the North Point Recreation Area of Lake Francis Case, all waters north and east of the existing breakwater structure of the North Point ramp basin are a "no wake zone"; and

(10) In the North Point Area of Lake Francis Case, the waters in St. Francis Bay and Prairie Dog Bay starting at the center of the respective boat ramps and extending outward in a 150 yard radius are a "no wake zone."