Based on the latest available information, Powerhouse Road 820-832 boat ramp is located in Reliance, Tennessee. It provides access to the Hiwassee River, which is a popular destination for boating, fishing, and other water-based activities.

This boat ramp is reported to be a concrete ramp, which makes it sturdy and durable, even in harsh weather conditions. It is also wide enough to accommodate several vehicles and boats at once, making it a convenient option for those looking to launch their boats quickly.

As for the types of boats permitted on the water, typically, all kinds of craft are allowed on the Hiwassee River, including canoes, kayaks, powerboats, and jet skis. However, it's important to note that there might be certain regulations or restrictions in place, depending on the specific location and time of year.

Overall, Powerhouse Road 820-832 boat ramp is a well-maintained and convenient option for boaters looking to access the Hiwassee River in Tennessee.