Rule 15. On the waters of the Macatawa river, city of Holland, county of Ottawa, from a line from where Fourth street as extended west intersects the water's edge and thence northeasterly to the nearest north shore, upstream to a point 1,500 feet upstream from the North River Avenue bridge, it is unlawful for the operator of a vessel to exceed a slow-no wake speed.
Mich. Admin. Code R. 281.770.15