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PUBLIC NOTICE Date: Permit No.: Permit Category: July 9, 2026 MIS210000 and MIS220000 NPDES Master General Permit – Industrial Stormwater Discharges Not Associated with Special-Use Areas for Cycle-Year Two Watersheds and NPDES Master General Permit – Industrial Stormwater Discharges Associated with Special-Use Areas for Cycle Year Two Watersheds The Department of Environment, Great Lakes, and Energy (Department), Water Resources Division (WRD), proposes to reissue a general permit for discharges of stormwater. The applicability of this permit shall be limited to wastewater discharges that are of this type and that meet the criteria established in this permit. This permit is expected to apply to multiple discharges of this type throughout the state of Michigan. In order to constitute a valid authorization to discharge at a specific facility, this permit must be complemented by a Certificate of Coverage (COC) issued by the Department. The draft permit includes the following modifications to the previously issued permit: Permit language has been revised to incorporate updated references and terminology. The following conditions have been added: Application Information, Indian Country, and Additional Monitoring. The following conditions have been modified: Discharge Authorization Termination, Continuing Discharge Authorization, Discharge Characteristics, Illicit Connections and Discharges, Permit Termination or Modification, and Alternate Schedule Request for Comprehensive Site Inspections and/or Visual Assessment. The definitions for Qualifying Storm Event and Significant Materials have been updated. Copies of the Public Notice, Fact Sheet, Basis for Decision Memo, and draft permit may be obtained via the Internet at https://MiEnviro.Michigan.gov/ncore/ (select ‘Public Notice Search,’ enter the permit number into the search field, and then click ‘Search’), or at a WRD District Office, locations and contact information for which is available at https://www.Michigan.gov/-/media/Project/Websites/EGLE/Documents/Programs/WRD/About-Us/district-offices.pdf. Persons wishing to submit comments on the draft permit should do so through the MiEnviro Portal. Go to https://MiEnviro.Michigan.gov/ncore/, select ‘Public Notice Search,’ search for this public notice by entering the permit number into the search field, click ‘Search,’ click ‘View,’ click ‘Add Comment,’ enter information into the fields, and then click ‘Submit.’ Comments or objections to the draft permit received by August 7, 2026, will be considered in the final decision to issue the permit, as will comments made at a public hearing should one be requested and held by the Department on the draft permit. Any person may request the Department to hold a public hearing on the draft permit. The request should include specific reasons for the request, indicating which portions of the draft permit constitute the need for a hearing. If submitted comments indicate significant public interest in the draft permit or if useful information may be produced, the Department may, at its discretion, hold a public hearing on the draft permit. If a public hearing is scheduled, public notice of the hearing will be provided at least 30 days in advance. Inquiries should be directed to Marie Watson, Permits Section, WRD, Department of Environment, Great Lakes, and Energy, P.O. Box 30458, Lansing, Michigan 48909-7958; telephone: 517-881-0559; or email: WatsonM8@Michigan.gov.