According to the latest information I have available, the Uvas Road boat ramp located in Morgan Hill, California is a concrete boat ramp that is approximately 15 feet wide. This boat ramp services Uvas Reservoir, which is a man-made reservoir that covers approximately 626 acres. The reservoir is primarily used for fishing, boating, and other recreational activities.

As for the types of watercraft permitted on the reservoir, the latest information I have available suggests that motorized boats are allowed, as long as they adhere to certain speed and noise limits. However, the use of personal watercraft (such as jet skis) is prohibited on Uvas Reservoir. Additionally, there are limits on the number of boats that are allowed on the water at any given time, and boats must be properly registered and have the required safety equipment on board.

Overall, the Uvas Road boat ramp appears to be a popular destination for those looking to enjoy boating and other water-based activities in the Morgan Hill area. Its proximity to Uvas Reservoir makes it a convenient launching point for residents and visitors alike.