IEPA extends Exolon warm-water discharge permit for La Salle Station - LaSalle News Tribune

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IEPA extends Exolon warm-water discharge permit for La Salle Station LaSalle News Tribune Exelon Generation's NPDES permit places limits on the temperature of the discharged cooling water based on ambient river temperatures during a given season, and gives an allowance of excursion hours it can use if its discharge exceeds the temperature.