The United States is known for being the fifth country with the largest water reserve in the world, counting approximately 2480 m3 per capita, its territory has a large number of lakes, lakes and rivers that cross the nation watering most of their land. The Missouri River is the longest river in the US with a length of 4090 km, it flows through the north of the country through 7 states which are Montana, North Dakota, South Dakota, Nebraska, Iowa, Kansas and Missouri.

River basin Missouri
The riverbed of the Missouri River is part of the Mississippi hydrographic system that together forms the fourth largest river system in the world with 6627 km, this basin drains approximately 2,980,000 km² of water from the territory corresponding to 10 states of the United States and two Canadian colonies.

Importance of the Mississippi system in the US economy

From the pre-Columbian era the causes of these great rivers were already an essential part for the transport, supply and source of food for the aboriginal tribes that inhabited the area rivereñas. Today, the Missouri River, the largest in North America, is undoubtedly an engine that drives the economy of the United States, since along its route there are a series of dams built especially for the electic production that the northern area of the states demands. United.

Dam in the Missouri River
Dam in the Missouri River

In addition to hydroelectric production, the water from the Missouri River has been used to supply the main population centers through which it flows, and irrigation for farms has been a fundamental source for the development of agriculture, which is why this country is considered a world power in this economic sector.


The channel of the Missouri River has been undoubtedly a perfect space to house a wide variety of flora and fauna species, its ecosystems are divided into two groups, the upper basin and the lower basin, which have different climatic and geological characteristics.
The upper basin is characterized by a cold climate and constant snowfall which limits the biodiversity that is increasing downstream reaching the lower basin, which has an average climate with a wide variety of plants and animals that live off the waters that flow through the bed of this great river.

In recent decades the water quality of the Missouri River has been greatly affected by human activities, as the increase in population and the growth of human settlements intensify water pollution every day, which brings with it the loss of water. of biodiversity until the total death of the resource.