Inland lakes
Background
During various periods since the mid 70’s, inland lakes in the Severn Sound watershed, including Little Lake, Bass Lake, Farlain Lake, MacLean Lake, Lake Couchiching and Orr Lake have been the subject of water quality studies carried out by several agencies, including the Ontario Ministry of Environment, Conservation and Parks (MECP), consultants, academic researchers, the Town of Midland (Little Lake), and the SSEA.
Reports
Results from inland lake monitoring are available in the following reports:
Bass Lake 2026
MacLean Lake 2026
Orr Lake 2026
Farlain Lake 2026
Conditions Update
Tea Lake 2026
Lake Couchiching 2025



















