Energy & environment · 04/01/1994Updated: 10/15/2026 · 1 min read
USEPA Proposes to Disapprove Wisconsin's Prevention of Significant Deterioration (PSD) Rules
Summary
The United States Environmental Protection Agency (USEPA) is proposing to disapprove Wisconsin's PSD rules due to non-compliance with federal regulations, with federal PSD requirements remaining applicable in the state until a compliant submission is approved.