The Indiana MS4 Partnership is committed to providing guidance and compliance tools for Indiana's NPDES MS4 Stormwater permittees through events such as training and the MS4 Annual Meeting. Our Partners offer additional education and opportunities as well. 

Annual Indiana MS4 Meeting

The 2021 MS4 Annual Meeting has been moved to October 26, 2021 — on-site at the Marriott. See below for more details.

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Looking for information from the 2019 Annual Indiana MS4 Meeting? Visit our recap page here.