Antamina Tailings Dam

The Antamina Tailings Dam extends across 1300 meters in length and reaches a height of 215 meters, storing processed materials from mining operations.

Construction of the initial 130-meter concrete-face rock-fill dam commenced in 2000, with completion achieved in April 2001 at an elevation of 4010 meters.

The dam represents a central element in the mining operations of the Ancash Region, supporting the local mining industry and regional development.

The facility maintains water discharge rates at 150 liters per second, with treatment systems ensuring water quality meets environmental standards.

The structure incorporates a geomembrane lining system and water diversion channels from the Ayash River to maintain structural integrity.

GPS coordinates: -9.54056,-77.03139

Latest update: September 23, 2025 13:00