File Permit Number MO-R04C000 Effective Date Fri, 10/01/2021 - 12:00 Expiration Date Wed, 09/30/2026 - 12:00 Description SIC/ NAICS #924110Discharges from regulated Phase 2 Municipal Separate Storm Sewer Systems - comprehensive general permit.For more information, visit Municipal Separate Storm Sewer Systems (MS4).
