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Clarifying Regulatory Relief: Illinois Pollution Control Board Upholds Thermal Alternative Effluent Limit for Waukegan Generating Station

The Waukegan Generating Station, like many power plants, uses an “open-cycle” water intake to cool its equipment, and this results in heated effluent being returned to the water body. Heat is considered a “pollutant” under the Clean Water Act, but a thermal discharger can seek…