Midwest Generation Seeks Reconsideration of Pollution Control Board Ruling Constricting Effective Period of Groundwater Management Zones to Duration of Active Remedial Work

Midwest Generation, LLC is contesting an Illinois Pollution Control Board ruling that may affect environmental compliance related to Groundwater Management Zones (GMZs). The Board found MWG responsible for groundwater contamination, raising concerns about GMZs’ protective measures. MWG seeks reconsideration, and the outcome could impact all entities with GMZs and redefine environmental regulations in Illinois.