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Brazos River

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The Brazos River is a major waterway in the United States. It is the 14th-longest river in the country. The river begins at Blackwater Draw in Roosevelt County, New Mexico. From its headwaters, it flows southeast through the center of Texas. Finally, the river reaches its mouth at the Gulf of Mexico. It empties into the marshes just south of Freeport. The river is a vital part of the landscape and the history of Texas.

The river's path is shaped by many smaller streams called tributaries. The Brazos proper begins where the Salt Fork and Double Mountain Fork meet. These two streams are tributaries of the Upper Brazos. The Upper Brazos rises on the high plains of the Llano Estacado. Another important stream is the Clear Fork Brazos River. It passes Abilene and joins the main river near Graham. As the river moves south, many more streams join it. These include the Paluxy, Bosque, and Little Rivers. Other tributaries are the Yegua Creek, Nolan River, and Leon River. The San Gabriel, Lampasas, and Navasota rivers also flow into the Brazos.

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Human engineering has significantly changed the river's flow. There are 19 major reservoirs located along the Brazos. Three large dams are built north of Waco. These dams create Possum Kingdom Lake, Lake Granbury, and Lake Whitney. Lake Granbury was the last of these to be completed in 1969. The Whitney Dam is especially important for the region. It provides hydroelectric power to the area. It also helps with flood control. Furthermore, it provides irrigation for cotton growth in the river valley. Near Waco, a small municipal dam creates Lake Brazos. This impoundment forms a town lake at the end of the Baylor University campus.

The history of the river is deeply connected to the settlement of Texas. In 1822, the lower river valley became a major site for Anglo-American settlement. Stephen F. Austin founded a colony at San Felipe de Austin. In 1836, Texas declared independence from Mexico at Washington-on-the-Brazos. This settlement is often called "the birthplace of Texas." The river also saw military action during the Texas Revolution. The Texas Navy ship *Independence* fought a battle here against the Mexican Navy. Before railroads became common, steamboats were important for navigation. These vessels sailed as far upriver as Washington-on-the-Brazos.

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The river's watershed covers a very large area. Within this watershed, there are 42 different lakes and rivers. These bodies of water have a combined storage capacity of 2.5 million acre-feet. The land use in the watershed is mostly for nature and farming. About 31% of the land is used for cropland. Roughly 61% of the land is a mix of grassland, shrubland, and forest. Only 4.6% of the land is used for urban areas. The population density in this area is 50.5 people per square mile. There is also an estimated groundwater availability of 119,275 acre-feet per year.

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While the river is useful, it also faces environmental challenges. The watershed deals with issues like high nutrient loads and salinity. There are also concerns regarding low dissolved oxygen in the water. These problems often come from runoff. This runoff can include livestock waste, fertilizer, and chemicals. These substances come from croplands, pastures, and industrial sites. The lower Brazos river receives the most toxic pollution. In 2012, it received 33.4 million pounds of toxic waste. Managing these water quality issues is a major task for the Brazos River Authority.

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Despite these challenges, the Brazos is a popular place for recreation. Many people enjoy canoeing and paddling on the river. The best paddling is found below Possum Kingdom Lake and Lake Granbury. People can also go camping on the sandbars. The entire streambed is considered state-owned public property. This means fishing, camping, and picnicking are all legal on the sandbars. Many anglers visit the river to fish for largemouth bass. There are also several scout camps located along the river. These camps support many activities for youth groups and families. The river remains a central part of life in Texas.

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