Developing a modern mining project requires careful planning, engineering, environmental review, and regulatory oversight. The Copper Flat Project has progressed through years of technical studies, design improvements, and permitting preparation to ensure the project is built and operated responsibly.
The timeline below highlights key milestones in project planning, regulatory review, and anticipated construction.
New Mexico Copper Corporation was organized in 2010 to redevelop the historic Copper Flat mine site. Since that time, the company has worked to refine the project using updated engineering, environmental studies, and modern mining technologies.
Key planning milestones include:
• Project acquisition and redevelopment planning initiated
• Technical, environmental, and economic studies completed and updated
• Tailings management strategy improved to incorporate dry stack tailings technology
• Engineering and environmental design updates using modern mining practices
These planning efforts help ensure the project is designed with modern safety, environmental protection, and operational standards in mind.
Before construction can begin, the Copper Flat Project must complete several regulatory approvals and environmental review processes.
Key permitting milestones include:
March 2025 – Environmental Discharge Permit Application
• Renewal and modification application submitted to the New Mexico Environment Department
July 2025 – Mine Operations and Reclamation Plan
• Plan submitted to the New Mexico Mining and Minerals Division
In addition to state review, the project continues coordination with federal agencies, including the Bureau of Land Management, where applicable.
The regulatory process includes opportunities for:
• Public notice and comment
• Community participation
• Agency review and response
These steps help ensure transparency and compliance with environmental and operational regulations.
If permitting and regulatory approvals proceed as expected, construction could begin in Q2 2027.
Early construction activities would include:
• Mobilization of construction teams and equipment
• Site preparation and infrastructure work
• Procurement of major equipment and electrical components
• Owner-performed earthworks beginning alongside mobilization
Construction of the mine facilities is expected to take approximately 18 months.
Following construction, the project would move through a commissioning and ramp-up phase to safely bring the mine into operation.
Projected milestones include:
• Construction Start: Target Q2 2027
• Mechanical Completion: Target Q1 2029
• Commissioning and System Testing: Mid 2029
• Initial Ore Production / Ramp-Up: Target Q3 2029
These timelines assume timely regulatory review, resolution of technical comments, and procurement of long-lead equipment.
The Copper Flat Project is subject to comprehensive oversight from state and federal regulatory agencies throughout its development and operation.
Required approvals include:
• Environmental discharge permitting
• Mine operations and reclamation approvals
• Federal land coordination where applicable
• Ongoing environmental monitoring and regulatory compliance
These processes ensure the project is developed responsibly while maintaining strong protections for the environment, workers, and surrounding communities.
If permitting and regulatory approvals proceed as planned, construction is targeted to begin in Q2 2027. Early activities will include mobilizing construction teams and equipment, site preparation, infrastructure development, and procurement of major equipment.
Construction is expected to last approximately 18 months, including earthworks, plant construction, and installation of mechanical and electrical systems.
Projected milestones include:
These timelines assume timely regulatory approvals, resolution of technical comments, and procurement of long-lead equipment.
Following construction, the project will enter a commissioning and ramp-up phase. During this stage, all systems are tested and optimized to ensure safe and efficient mine operations before full-scale production begins.
The Copper Flat Project must secure several approvals, including:
These approvals ensure that the project meets state and federal requirements while protecting the environment and community.
Responsible development is achieved through careful engineering, regulatory review, and ongoing community engagement. The project balances environmental stewardship, economic opportunity, and long-term regional benefit while maintaining oversight from state and federal agencies throughout construction and operations.
The Copper Flat Project in Sierra County, New Mexico, recently hosted an initial media tour led by Stephen Crosby, Senior Vice President of Development and project site manager. The tour served as a firsthand look at the site and the progress being made as the project advances through permitting and planning stages.
The Copper Flat Project, a proposed mining initiative in Sierra County, New Mexico, is projected to bring a significant boost to the local economy — particularly through job creation in both the construction and long term operation phases.
At the heart of the ambitious Copper Flat Project in Sierra County, New Mexico, stands a seasoned leader with decades of mining expertise: Stephen Crosby. As the Senior Vice President of Development, effectively the site manager driving this major copper molybdenum gold silver project.
