According to the Iowa Department of Natural Resources, the boat ramp named Northwest Madrid Drive Polk City is a concrete boat ramp that is 18 feet wide. This boat ramp provides access to Saylorville Lake, which is a large reservoir located in central Iowa. Saylorville Lake is a popular destination for recreational boating, fishing, and other water-based activities.

The Iowa Department of Natural Resources states that all types of boats are permitted on Saylorville Lake, including powerboats, sailboats, and canoes/kayaks. However, it is important to note that there are specific regulations and restrictions in place for boating on the lake, such as speed limits and no-wake zones. It is recommended that boaters review all relevant rules and regulations before launching their craft at the Northwest Madrid Drive Polk City boat ramp or any other access point on the lake.

Overall, the Northwest Madrid Drive Polk City boat ramp appears to be a well-maintained facility that provides convenient access to a popular recreational destination in Iowa.