WRPCO is comprised of the Petenwell and Castle Rock Reservoirs.

  • Land Use Policies and Rules
    Guide for administering public land use policies, and to clarify policy specifics regarding the usage of WRPCO lands.
  • Castle Rock
    The Castle Rock Flowage consists of 16,640 acres and is the fourth largest inland body of water in Wisconsin.
  • We will be completing work at Castle Rock Dam which will impact the use of the public boat launch downstream of the Dam. This work is anticipated to begin in mid-July and should conclude by mid-September. The work will cause limited access and closure of the boat landing during this period. We are sorry for any inconvenience this may cause.

  • Petenwell
    The Petenwell Flowage consists of 23,040 acres and is the second largest inland body of water in Wisconsin.
  • Recreation Sites
    A list of existing public recreational sites within Petenwell and Castle Rock Hydroelectric Project.