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Multi-lake regulation should not be pursued

Past studies of the potential for multi-lake regulation to address water level conditions in the Great Lakes - St. Lawrence River system have consistently dismissed the concept on the basis of historical water supplies. The Study’s exploratory analysis considered more severe water supply conditions, and concluded that multi-lake regulation may have potential to address extreme water levels in the upper Great Lakes basin, particularly if the region experiences the types of extreme NBS sequences that were examined as part of this analysis. However, considerable uncertainty remains regarding the future climate and its impact on Great Lakes hydrology. This uncertainty, along with environmental concerns, institutional requirements and the high costs pose significant challenges for moving forward with multi-lake regulation. Furthermore, there may be adaptive measures that could more effectively address risks related to extreme water level conditions.
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Environmental Impacts of Structures in the St. Clair River
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Multi-Lake Regulation
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