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The Puerco River or Rio Puerco is a tributary of the Little Colorado River in northwestern New Mexico and northeastern Arizona. It flows through arid terrain, including the Painted Desert.

Puerco River
Rio Puerco
Flowing near Puerco Pueblo,
in Petrified Forest National Park
The mouth of the Puerco River on the Little Colorado River, northeast-central Arizona
Location
CountryUnited States
StateArizona, New Mexico
RegionColorado Plateau
Physical characteristics
Sourcenear Hosta Butte
  locationMcKinley County, New Mexico
  coordinates35°34′33″N 108°10′52″W[1]
  elevation7,930 ft (2,420 m)[2]
MouthLittle Colorado River
  location
near Holbrook, Navajo County, Arizona
  coordinates
34°53′20″N 110°07′17″W[1]
  elevation
5,102 ft (1,555 m)[1]
Length167 mi (269 km)[3]
Basin size2,654 sq mi (6,870 km2)
Discharge 
  locationnear Chambers, Arizona
  average70 cu ft/s (2.0 m3/s)
  minimum0 cu ft/s (0 m3/s)
  maximum17,800 cu ft/s (500 m3/s)

Name


The Puerco River is sometimes called Rio Puerco of the West, to distinguish it from the Rio Puerco of the East that rises in the same vicinity but flows east to the Rio Grande.[4]

Although the word Puerco means pig, it also used to mean dirty or filthy in Spanish, this usage in the southwest United States is better translated as Dirty River or Muddy River due its high content of silt and mud.[5]


Geography


The intermittent river is the main tributary of the Little Colorado River, which is a tributary of the Colorado River. It drains an area of about 2,654 square miles (6,870 km2) and is 167 miles (269 km) long.[3] The river's average discharge is very low, less than 70 cubic feet per second (2.0 m3/s) in normal years, because its drainage basin is extremely dry. For most of the year, the Puerco River is a braided wash containing little or no water, although large flash floods can occur in downpours.


Course


The Puerco River in McKinley County, New Mexico.
The Puerco River in McKinley County, New Mexico.

The Puerco River headwaters are on the western slopes of the Continental Divide of the Americas, 0.5 miles (0.80 km) east of Hosta Butte, in McKinley County, New Mexico. It flows first north, and then west, through a wide desert valley bordered by high rocky buttes and cliffs. It passes under Interstate 40, and receives the South Fork Puerco River from the right-south near Gallup. For most of its remaining course, I-40 and the former Atchison, Topeka and Santa Fe Railway (now the BNSF Railway) tracks follow the river's valley.

The Puerco River crosses into Apache County, Arizona. It flows by Houck, Sanders, and Chambers, and then flows through the middle of Petrified Forest National Park, where Lithodendron Wash enters from the left-north. The river then flows southwest to its confluence with the Little Colorado River, near the eastern side of Holbrook.[6]


Discharge


The United States Geological Survey (USGS) operates a Puerco River stream gauge 1 mile (1.6 km) southwest of Chambers in Arizona. The maximum discharge recorded by this gauge between 1971 and 2009 was 17,800 cubic feet per second (500 m3/s) on Sept. 30, 1971, and the minimum discharge was often zero, from a drainage basin of 2,156 square miles (5,580 km2).[7]


Water pollution


Navajos in the Puerco River Valley have used surface waters in the Puerco River for livestock watering for decades.[8]

From the 1950s through the early 1980s, the Puerco River ran almost continuously from being fed by mining wastewater, some untreated, from uranium mines upstream.[9]


Radioactive spill


The Church Rock uranium mill spill is one of the worst radioactive spills in U.S. history. On July 16, 1979, a tailings pond at the Church Rock uranium mill, owned by United Nuclear Corporation, breached its dam and 93 million gallons (350,000 m3) of radioactive, acidic uranium tailings solution flowed into the North Fork of the Puerco River.[10] Approximately 1,100 short tons (1,000 t) of uranium mine waste contaminated 250 acres (100 ha) of land and up to 50 miles (80 km) of the Puerco River.[11][12]


See also



References


  1. "Puerco River". Geographic Names Information System (GNIS). United States Geological Survey. February 8, 1980. Retrieved May 28, 2010.
  2. Source elevation derived from Google Earth search using GNIS source coordinates.
  3. "The National Map". U.S. Geological Survey. Retrieved Feb 25, 2011.
  4. "Feature Detail Report – DecisionCard #694.9 Puerco River". USGS GNIS. Retrieved 2 January 2017.
  5. Garland D. Bills, Neddy A. Vigil (2008). The Spanish Language of New Mexico and Southern Colorado: A Linguistic Atlas. University of New Mexico Press. ISBN 9780826345493.
  6. USGS Topo Maps for United States (Map). Cartography by United States Geological Survey. ACME Mapper. Retrieved 2010-10-01.
  7. "Water-Data Report 2009: 09396100 Puerco River near Chambers, AZ" (PDF). United States Geological Survey. Retrieved May 29, 2010.
  8. Chris Shuey Contaminant Loading on the Puerco River A Historical Overview Archived 2008-10-14 at the Wayback Machine Southwest Research and Information Center, October 14, 1992
  9. Gault, Ramona (September 13, 1989), "Navajos inherit a legacy of radiation", In These Times, Chicago
  10. Pasternak, Judy (2010). Yellow Dirt: A Poisoned Land and a People Betrayed. Free Press. p. 149. ISBN 978-1416594826.
  11. Brendan Giusti, Radiation Spill in Church Rock Still Haunts 30 Years Later, The Daily Times (Farmington, New Mexico), July 16, 2009, Section: Local
  12. Carl Jensen, Project Censored (U.S.) 20 Years of Censored News Archived 2010-01-06 at the Wayback Machine Seven Stories Press, July 1, 2003, p. 84, ISBN 1-888363-52-5



На других языках


- [en] Puerco River

[ru] Пуэрко

Пуэрко (англ. Puerco River) — река на северо-западе штата Нью-Мексико и на северо-востоке Аризоны, США. Крупнейший приток реки Литл-Колорадо. Площадь бассейна составляет около 6870 км²; длина — около 269 км[1]. Расход воды обычно крайне низок, менее 2 м³/с.



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