According to the latest available information, the Patterson Ferry boat ramp is located in Oregon, specifically in Sherman County. It is a concrete boat ramp that provides access to the Columbia River for boaters. The ramp is reported to be 24 feet wide, offering enough space for boats of various sizes to launch and retrieve safely.

As for the body of water that Patterson Ferry boat ramp services, it is the Columbia River, which is a major waterway in the Pacific Northwest region of North America. The Columbia River is over 1,200 miles long and runs through several US states and Canadian provinces. It is a popular destination for fishing, boating, and other recreational activities.

Regarding the types of craft permitted on the water at Patterson Ferry boat ramp, it appears that there are no specific restrictions in place. However, it's worth noting that boaters are required to comply with all state and federal regulations, including those related to licensing, safety equipment, and boating under the influence of drugs or alcohol.

In conclusion, the Patterson Ferry boat ramp is a concrete ramp located in Sherman County, Oregon, providing access to the Columbia River. The ramp is 24 feet wide and can accommodate various types of boats. Boaters are required to comply with all state and federal regulations when using this facility.