Rule 1. On the waters of the Quanicassee river and Saginaw bay, section 29 and 30, T14N, R7E, Wisner township, Tuscola county, from the M-25 bridge downstream and for a distance of 300 feet in any direction from the river mouth in Saginaw bay, it is unlawful for the operator of a vessel to exceed a slow-no wake speed.
Mich. Admin. Code R. 281.779.1