According to the United States Census Bureau, Meyer Township has a total area of , of which are land and , or 0.48%, are water. The Little Cedar River drains the southern part of the township, forming Hermansville Lake on the west side of Hermansville and flowing south to the Menominee River near Wallace. Spruce Creek drains the central part of the township, flowing southeast toward the Cedar River, a direct tributary of Lake Michigan. The northernmost part of the township is drained by Pollock Creek, which flows west to the Sturgeon River, a south-flowing tributary of the Menominee.
According to the United States Census Bureau Meyer Township has a total area of  of which are land and  or 048% are water The Little Cedar River drains the southern part of the township forming Hermansville Lake on the west side of Hermansville and flowing south to the Menominee River near Wallace Spruce Creek drains the central part of the township flowing southeast toward the Cedar River a direct tributary of Lake Michigan The northernmost part of the township is drained by Pollock Creek which flows west to the Sturgeon River a south-flowing tributary of the Menominee