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2022 MS4 Annual Report
Co-Permittee List
MSD Stormwater Regulations Fall 2010 (PDF)
MSD Stormwater Regulations Spring 2011 Update (PDF)
Phase II 2016 – 2021 Permit (PDF)
Phase II 2018 Annual Report (PDF)
Phase II 2019 Annual Report (PDF)
Phase II Stormwater Co-Permittee List (PDF)
Phase II Stormwater Management Plan 2017-2021 (PDF)
Road Salt Usage Report Part 1 2025
Road Salt Usage Report Part II 2025