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Does the plan avoid extremely low Superior levels?



Details
This is the fourth of nine Study Board decision criteria used in the evaluation of Lake Superior regulation plans. Plan 1977A includes a provision required by criterion c in the 1979 Supplementary Order that when Lake Superior levels are at 183.4 m (601.7 ft) IGLD 1985 or lower, the plan release cannot be greater than what would have occurred with no structures (i.e., the preproject release). This is one way of avoiding Lake Superior levels being lower than would have occurred before the structures were built.
Related Projects
Plan Formulation and Evaluation Strategy
Shared Vision Modelling
Lake Superior Plan Formulation