The WRPCO FERC Hydroelectric Project #1984 is located in Wood, Juneau and Adams Counties. It is comprised of the Petenwell and Castle Rock Reservoirs. Dams at the reservoirs were completed in the late 1940s and early 1950s.

The Petenwell Reservoir totals 25,180 acres of water surface and approximately 12.7 miles of Shoreline Commons Area.

The Castle Rock Reservoir totals 14,900 acres of water surface and approximately 16.3 miles of Shoreline Commons Area.

The lakes provide recreational and economic opportunities for residents as well as the tourism industry.

Hydro Power is a Renewable Energy!