Cauca River

The Cauca River (Spanish: Río Cauca) is a river in Colombia that lies between the Occidental and Central cordilleras. From its headwaters in southwestern Colombia near the city of Popayán, it joins the Magdalena River near Magangué in Bolívar Department, and the combined river eventually flows out into the Caribbean Sea. It has a length of 965 km (600 mi) to its junction with the Magdalena, for a total length of 1,350 km (840 mi). from origin to seamouth. The river is under the supervision of the Corporación Regional del Cauca and the Corporación Autonoma Regional del Valle del Cauca, and is navigable for 640 km (400 mi) above its junction with the Magdalena.

  • Cauca River
Cauca River
Cauca River in Nechí, Antioquia
Location
CountryColombia
Physical characteristics
Source 
 • locationColombian Massif
Mouth 
 • location
Magdalena River
Length965 km (600 mi)

Environmental issues

On November 18, 2007, Colombian newspaper El Tiempo reported that the river was receiving an average of 500 tons of residual waste a day. Pollution from the city of Popayán, seven gold mines that also add industrial pollutants such as mercury, some 8 sand mills, plus a couple of mines of coal and bauxite. Cali, the largest city on the river, depends on the river in a 76 percent. Adding to these other affluent rivers collect residual waters from other major cities and deposit an approximate of 330 tons of residual waste into the river. By the time it gets to Yumbo the river has no oxygen.[1]

The Hidroituango energy dam project has seriously affected the Cauca River.[2] The dam has decreased its flow in some parts, up to 80%.

References
  1. (in Spanish) eltiempo.com: Al río Cauca lo están matando las 500 toneladas de contaminantes que le caen cada día
  2. Miranda, Boris (2019-02-08). "Hidroituango seca el río Cauca: cómo la controversial represa redujo en 80% el caudal del segundo río de Colombia". BBC. Retrieved 2019-03-19.
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