On November 11, 1954, the park was officially named "Black Moshannon State Park" by the Pennsylvania Geographic Board. The CCC-built dam forming Black Moshannon Lake was replaced in the 1950s, and the current Kephart Dam was built in 1974. The park experienced major developments between 1971 and 1980. Time has brought changes to the park's CCC-built structures: the original picnic pavilion 6 collapsed under snow in 1994, the museum became the Environmental Learning Center, most of the latrines are gone, and six modern cabins and two deluxe cottages have been built in the Cabin Historic District. As of 2020, other post-war facilities include the park office, boat launches, showerhouses, electric vehicle charging stations, and modern restroom and shower facilities. There is a wastewater treatment plant near the dam for effluent from the park and some private homes. In 2019, the state paid $299,000 to the Philipsburg Rod and Gun Club, which had leased near the Organized Group Tenting area in the park for over 60 years. The state terminated the lease over environmental contamination from lead shot.