Mississippi River System - Wikipedia
The Mississippi River System, also referred to as the Western Rivers, is a mostly riverine network of the United States which includes the Mississippi River and connecting waterways.
The Mississippi/Atchafalaya River Basin (MARB) | US EPA
Jan 16, 2026 · Water from parts or all of 31 states drains into the Mississippi River, and creates a drainage basin over 1,245,000 square miles in size. Before reaching the Gulf, the Mississippi meets …
About the Watershed | America's Watershed Initiative
The fourth largest watershed in the world, touching 31 U.S. states and two Canadian provinces, the Mississippi River Watershed carries the waters from the Rocky Mountains, the north woods of …
Mississippi River Facts - U.S. National Park Service
Feb 15, 2025 · The Mississippi River watershed is the fourth largest in the world, extending from the Allegheny Mountains in the east to the Rocky Mountains in the west. The Amazon for comparison …
Mississippi River Basin Healthy Watersheds Initiative (MRBI)
Feb 19, 2026 · The Mississippi River watershed not only provides drinking water, food, industry and recreation for millions of people, it also hosts the migratory flyway and home for more than 325 bird …
Mississippi River | Map, Length, History, Location, Tributaries, Delta ...
Feb 18, 2026 · Mississippi River, the longest river of North America, draining with its major tributaries an area of approximately 1.2 million square miles, or about one-eighth of the entire continent. With its …
Mississippi River Basin Drought & Water Dashboard
3 days ago · Below, explore current river stages (i.e., water levels) and flow for the Mississippi River and its major tributaries. Learn how specific tributaries contribute to the overall water flow in the …
Mississippi River Watershed with Major Tributaries and Major Ports
The Mississippi River is the largest drainage basin in the United States and the second-longest river in North America. It is also the 15th largest river by discharge in the world. This schematic map of the …
Geography Facts About the Mississippi Watershed
Jun 13, 2025 · The Mississippi watershed is the largest drainage basin in North America with an area of 3.2 million square kilometers (1,245,000 square miles). The extent of the watershed reaches 32 U.S. …
USGS Mississippi River Basin Science Dashboard
The goal of this website is to consolidate USGS science about the Mississippi River Basin and the Gulf of America into one place.