 The primary inflows are Apsley Creek at the northwest and Redmond Creek (at Redmond Bay) at the north, and the primary outflow is Jack Creek leaving over a small dam at the south.Jack Creek flows to Stony Lake, Clear Lake, the Otonabee River, Rice Lake and the Trent River to Lake Ontario.The dam at the outflow to Jack Creek controls water released into the Trent-Severn Waterway to maintain a guaranteed minimum depth on that waterway.