The Mississippi River and Tributaries encompasses six U.S. Army Corps of Engineers districts within the Mississippi Valley Division.
These district offices are identified by location (MVD District Offices map):
- Saint Paul District (MVP)
- Rock Island District (MVR)
- Saint Louis District (MVS)
- Memphis District (MVM)
- Vicksburg District (MVK)
- New Orleans District (MVN).
Each district may be involved in studies concerning their reach of the river. Information concerning these studies will be posted as it becomes available.