Rule 20. On that part of the waters of Coldwater lake, easterly from a point where Wayne Beach road as extended intersects the water's edge, to the easternmost point of Iyopawa island, and thence southeasterly to the nearest point of land, located in sections 1 and 2, T8S, R6W, Kinderhook township, Branch county, it is unlawful for the operator of a vessel to exceed a slow-no wake speed.
Mich. Admin. Code R. 281.712.20