The Conowingo Dam pictured on Oct. 2, 2025, the day that Maryland and Constellation announced a revised water quality certification for the hydroelectric dam, and a $340 million legal settlement.
In 2009, the operators of Conowingo Dam on the Susquehanna River, just south of the Mason-Dixon Line, began the process of renewing its license to operate the 572-megawatt hydroelectric generating ...
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