Brazos River downstream of Possum Kingdom Lake (Palo Pinto County, Texas)
|Source confluence||Stonewall County, Texas|
|- elevation||453 m (1,486 ft)|
|Mouth||Gulf of Mexico|
|- location||Brazoria County, Texas|
|- elevation||0 m (0 ft)|
BRAZOS RIVER Latitude and Longitude:
|Length||1,352 km (840 mi)|
|Basin||116,000 km2 (44,788 sq mi)|
|Discharge||for Rosharon, TX|
|- average||237.5 m3/s (8,387 cu ft/s)|
|- max||2,390 m3/s (84,402 cu ft/s)|
|- min||0.76 m3/s (27 cu ft/s)|
Brazos River watershed
|Website: Handbook of Texas: Brazos River|
The Brazos River ( // ( listen) BRAZZ-əs), called the Rio de los Brazos de Dios (translated as "The River of the Arms of God") by early Spanish explorers, is the 11th-longest river in the United States of America at 1,280 miles (2,060 km) from its headwater source at the head of Blackwater Draw, Curry County, New Mexico  to its mouth at the Gulf of Mexico with a 45,000-square-mile (116,000 km2) drainage basin.  It sometimes is used to mark the boundary between East Texas and West Texas.
The Brazos proper begins at the confluence of the Salt Fork and Double Mountain Fork, two tributaries of the Upper Brazos that rise on the high plains of the Llano Estacado, flowing 840 miles (1,350 km) through the center of Texas. Another major tributary of the Upper Brazos is the Clear Fork Brazos River, which passes by Abilene and joins the main river near Graham. Important tributaries of the Lower Brazos include the Paluxy River, the Bosque River, the Little River, Yegua Creek, Nolan River, the Leon River, the San Gabriel River, the Lampasas River and the Navasota River. 
Initially running east towards Dallas- Fort Worth, the Brazos turns south, passing through Waco and the Baylor University campus, further south to near Calvert, Texas then past Bryan and College Station, then through Richmond, Texas in Fort Bend County, and into the Gulf of Mexico in the marshes just south of Freeport. 
The main stem of the Brazos is dammed in three places, all north of Waco, forming Possum Kingdom Lake, Lake Granbury, and Lake Whitney. Of these three, Granbury was the last to be completed, in 1969. When its construction was proposed in the mid-1950s, John Graves wrote the book, Goodbye to a River. A small municipal dam (Lake Brazos Dam) is near the downstream city limit of Waco at the end of the Baylor campus; it raises the level of the river through the city to form a town lake. This impoundment of the Brazos through Waco is locally called Lake Brazos. A total of nineteen major reservoirs are located along the Brazos. 
It is unclear when it was first named by European explorers, since it was often confused with the Colorado River not far to the south, but it was certainly seen by René-Robert Cavelier, Sieur de La Salle. Later Spanish accounts call it Los Brazos de Dios (the arms of God), for which name there were several different explanations, all involving it being the first water to be found by desperately thirsty parties. In 1842, native Indian commissioner of Texas, Ethan Stroud established a trading post on this river.
The river was important for navigation before and after the American Civil War, and steam boats sailed as far up the river as Washington-on-the-Brazos. While attempts to improve commercial navigation on the river continued, railroads proved more reliable. The Brazos River also flooded, often seriously, on a regular basis before a piecemeal levee system was replaced, notably in 1913 when a massive flood affected the course of the river. The river is primarily important today as a source of water for power, irrigation, and recreation. The water is administered by the Brazos River Authority. 
The river also features prominently in a number of prison songs, because at one time nearly every prison in Texas was near the Brazos.
The 2000 book, Sandbars and Sternwheelers: Steam Navigation on the Brazos by Pamela A. Puryear and Nath Winfield, Jr., with introduction by J. Milton Nance, examines the early vessels that attempted to navigate the Brazos. 
The Brazos River watershed covers a total area of 119,174 square kilometers.  Within the watershed lie 42 lakes and rivers which have a combined storage capacity of 2.5 million acre-feet.  The Brazos watershed also has an estimated ground water availability of 119,275 acre-feet per year.  Approximately 31% of the land use within the watershed is cropland. Approximately 61% is grassland (30%) shrubland (19.8%) and forest (11%) while urban use only makes up 4.6%. The population density within the watershed is 19.5 people per square kilometer. 
The main water quality issues within the Brazos Watershed are high nutrient loads, high bacterial and salinity levels and low dissolved oxygen. These water quality issues can be attributed to livestock, fertilizer and chemical run off. Sources of run off are croplands, pastures, and industrial sites among others.  Fracking is also cause for concern regarding water quality within the Brazos Watershed. The Barnett Shale lies partially within the watershed which is the second largest source of natural gas in the US.  Studies have shown that the watershed receiving the most toxic pollution is the lower Brazos river which received 33.4 million pounds of toxic waste in 2012. 
Canoeing is a very popular recreational activity on the Brazos River with many locations favorable for launching and recovery. The best paddling can be found immediately below Possum Kingdom Lake and Lake Granbury. 
Sandbar Camping is also permitted since the entire streambed of the river is considered to be state-owned public property. Fishing, camping, and picnicking are legal here, including on the sandbars.  Several scout camps are located along the Brazos River and they support a wide range of water and shoreline activities for scouts, youth groups and family groups. 
The Brazos River Authority maintains several public campsites along the river and at the lakes. Hunting and fishing are also permitted at select locations along the river.
- The Alan Le May novel The Searchers mentions the Salt Fork of the Brazos River several times as a likely place for the protagonists to find Chief Scar, who is holding the captive child Debbie. In the 1956 film based on the novel, Mose Harper identifies the location of Chief Scar's camp as Seven Fingers, which a group of Texas Rangers identify as Seven Fingers of the Brazos.
- John Graves' travel narrative Goodbye to a River takes place on the Brazos River.
- The Brazos is the setting of the American folk song " Ain't No More Cane".
- Warren Haynes and Billy Gibbons broke down on the Brazos.
BRAZOS RIVER INFORMATION
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