According to the latest information available, New Ulm boat ramp is located on the Minnesota River in New Ulm, Minnesota. It is a public boat ramp that provides access to the river for recreational boating, fishing, and water sports.

The boat ramp is approximately 20 feet wide, which is wide enough to accommodate most small to medium-sized boats. However, larger boats may need to use caution when launching or retrieving from the ramp.

As for the body of water it services, the New Ulm boat ramp provides access to the Minnesota River. The Minnesota River is a tributary of the Mississippi River and is approximately 332 miles long. It is a popular destination for boaters and fishermen, offering a variety of fish species such as catfish, walleye, and northern pike.

Regarding the kind of craft that are permitted on the water, the Minnesota Department of Natural Resources states that all types of recreational boats are allowed on the Minnesota River, including motorized boats, canoes, kayaks, and other non-motorized crafts. However, it is important to note that certain areas of the river may have specific restrictions or regulations, so it is always best to check with the local authorities before launching your boat.