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Archived on September 21, 2026
Re: General NPDES Permit ILR40 for Discharge from Small Municipal Storm Sewer Systems (MS4)
Letter dated February 10, 2016, available in PDF format. Enclosed with the letter is the reissued General NPDES Permit ILR40. Significant changes have been made in the final permit based on comments received by the agency. Additional information available in the linked document.