The Rock Lake Priority Watershed Project plan assesses the nonpoint sources of pollution in the Rock Lake Watershed and guides the implementation of nonpoint source control measures. These control measures are needed to meet specific water resource objectives for Rock Lake and its tributaries. The purpose of this project is to reduce nonpoint source pollution to Rock Lake, and to enhance and protect the water quality of Mud, Marsh, and Bean Lakes which are also located in the Rock Lake Watershed. https://dnr.wi.gov/topic/nonpoint/documents/9kep/expired/RockLake.pdf

Rock Lake PWS Plan - Nine Key Element Plan - The Rock Lake Priority Watershed Project plan assesses the nonpoint sources of pollution in the Rock Lake Watershed and guides the implementation of nonpoint source control measures. These control measures are needed to meet specific water resource objectives for Rock Lake and its tributaries. The purpose of this project is to reduce nonpoint source pollution to Rock Lake, and to enhance and protect the water quality of Mud, Marsh, and Bean Lakes which are also located in the Rock Lake Watershed.