Animas-La Plata Water Project, Interbasin water transfer system in Colorado, US
The Animas-La Plata Water Project redirects water between two river basins using dams, pumping stations, and buried pipelines. It connects the Animas and La Plata basins, serving different geographic regions with water they would not naturally receive.
The project emerged after decades of negotiations between tribes, states, and federal agencies, with construction beginning in 2002. These agreements addressed long-standing water disputes in the Colorado River Basin affecting multiple jurisdictions.
The name "Animas" comes from Spanish meaning "souls," reflecting the river's deep cultural roots. Today the project shapes how communities here manage water and adapt to the needs of both tribal nations and farming regions.
The project sits in a remote mountainous area of Colorado, so visitors need their own transportation to reach it. Most people explore it from nearby towns like Durango or Farmington, which offer access to various viewpoints around the reservoir.
The heart of the system is Lake Nighthorse, created by an earthen dam completed in the late 2000s. The reservoir now dominates the landscape and demonstrates how engineering stores water in this mountainous region.
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