Río Conchos

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Río Conchos
The course of the Río Conchos

The course of the Río Conchos

Data
location Chihuahua (Mexico)
River system Rio Grande
Drain over Rio Grande  → Gulf of Mexico
source Sierra Madre Occidental , Chihuahua
muzzle at Ojinaga in the Rio Grande coordinates: 29 ° 35 ′ 0 ″  N , 104 ° 25 ′ 0 ″  W 29 ° 35 ′ 0 ″  N , 104 ° 25 ′ 0 ″  W

The Río Conchos is the longest river in the Mexican state of Chihuahua and one of the most important rivers in northern Mexico . It flows exclusively through the state of Chihuahua, in whose mountainous Sierra Madre Occidental it rises in the Municipio Bocoyna and flows into the Rio Grande (Río Bravo) at Ojinaga .

Main tributary of the Rio Grande

The Río Conchos is the main tributary of the Rio Grande. Only through the enormous mass of water of the Concho does the Rio Grande become a real river again. Before its inflow, the Rio Grande drifts slowly because a large part of its water volume is used for the irrigation of entire agricultural areas. Immediately before the tributary of the Río Conchos, the US-Mexican border river is neither grande (i.e. large) nor bravo (wild), as Don Henry Ford Jr. stated in his report from 2004.

For the purpose of water regulation, both rivers are criss-crossed by a sophisticated system of reservoirs . The rivers are used to irrigate the agricultural areas that surround them, which removes enormous amounts of water from them.

The water transfer contract

Because the Rio Grande, which flows eastward from Ojinaga, should always have a sufficient volume of water, the governments of the two states ( USA and Mexico) signed a treaty in 1944 that regulates how much water Mexico may withdraw from the Río Conchos and what amounts of water in the Rio Grande are forwarded. Because the flow of water from the Rio Grande has often declined in recent years, Texas accused its southern neighbor of failing to fulfill its contract. For example, Susan Combs, in her capacity as a former Texas Agriculture Commissioner, collected satellite photos that were supposed to prove that Chihuahua used the Río Conchos to irrigate their own agricultural land beyond what is permitted, thereby violating the 1944 Treaty. In Mexico, on the other hand, a drought was blamed for the lower amount of water and the allegations from the USA regarding a breach of contract were left calm: “It doesn't matter what is on paper - if there is no water, none can be delivered. "

Individual evidence

  1. ^ Jan Reid (ed.): Rio Grande (Austin, Texas, 2004) p. 101 ISBN 0-292-70601-4
  2. ↑ Jan Reid (Ed.): Rio Grande (Austin, Texas, 2004) p. 115
  3. ↑ Jan Reid (Ed.): Rio Grande (Austin, Texas, 2004) p. 92
  4. ↑ Jan Reid (Ed.): Rio Grande (Austin, Texas, 2004) pp. 45f
  5. ^ Jan Reid (ed.): Rio Grande (Austin, Texas, 2004) p. 87
  6. ↑ Jan Reid (Ed.): Rio Grande (Austin, Texas, 2004) p. 89

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