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MS4 Stormwater Discharge Reports

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2018 - 2019
2019 - 2020
2021 - 2022
2022 - 2023
2023 - 2024

2024-2025 IEPA MS4 Annual Report Caseyville Township
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Centreville Township
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of Belleville
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of Columbia
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of East St. Louis
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of Fairview Heights
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of Lebanon
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report City of O'Fallon
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report St Clair County
Department
Date Modified
5/28/2025
2024-2025 IEPA MS4 Annual Report St. Clair County
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report St. Clair Township
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Stookey Township
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Sugarloaf Township
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Village of Dupo
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Village of Sauget
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Village of Shiloh
Department
Date Modified
6/30/2025
2024-2025 IEPA MS4 Annual Report Village of Swansea
Department
Date Modified
6/30/2025
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