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 - Register Today
The 2023 MS4 Annual Meeting is scheduled for May 16, 2023 at the Embassy Suites Event Center in Plainfield. Registration is now open for the annual meeting, so be sure to secure your spot today!