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October 05, 2026
Barrick’s Pueblo Viejo Mine Completes 59th Participatory Environmental Monitoring Exercise
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During each monitoring session, participants accompany technical teams into the field to observe and collect samples, including sampling points where treated water from the operation is discharged, nearby rivers, and other water bodies.
Sanchez Ramirez, Dominican Republic – Barrick’s Pueblo Viejo mine in the Dominican Republic has completed its 59th Participatory Environmental Monitoring exercise, marking more than a decade of quarterly monitoring that brings together communities, academics, journalists, community leaders, authorities, and other stakeholders to observe and take part directly in environmental monitoring around the operation.
In addition to extensive monitoring networks, the Participatory Environmental Monitoring program is part of Barrick’s approach to responsible mining at Pueblo Viejo, and is recognized as a best practice for building trust among stakeholders through technical knowledge, transparency, and social dialogue.
Launched in 2012, the program gives stakeholders an open forum to learn about and participate in the monitoring of key environmental parameters, including water and air quality, and noise levels, in the areas surrounding the mine. From the outset, it has offered a regular opportunity for stakeholders to engage directly with technical teams, and see first-hand how environmental conditions are monitored.
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During each monitoring session, participants accompany technical teams into the field to observe and collect samples, including sampling points where treated water from the operation is discharged, nearby rivers, and other water bodies.
The field-based approach lets participants see environmental monitoring in action, understand the parameters being assessed, and put their questions directly to technical specialists.
Upon taking ownership of the site, Barrick immediately undertook extensive remediation efforts and implemented strong environmental safeguards, including voluntary public water monitoring by independent third parties. These verifications have consistently shown that water quality not only meets standards but has improved since Pueblo Viejo remediated the surrounding areas.
A distinctive feature of the program is the participation of the Instituto Tecnológico de Santo Domingo (INTEC) as an independent third party since 2021.
During each monitoring session, participants accompany technical teams into the field to observe and collect samples, including sampling points where treated water from the operation is discharged, nearby rivers, and other water bodies. The samples are then analyzed at independent laboratories. Participants also take part in monitoring air quality and noise levels around the operation.
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Barrick’s Pueblo Viejo mine in the Dominican Republic has completed its 59th Participatory Environmental Monitoring exercise, marking more than a decade of quarterly monitoring that brings together communities, academics, journalists, community leaders, authorities, and other stakeholders to observe and take part directly in environmental monitoring around the operation.
The field-based approach lets participants see environmental monitoring in action, understand the parameters being assessed, and put their questions directly to technical specialists. The program is open to a broad range of stakeholders, including representatives of neighboring communities, academic institutions, social and community organizations, government agencies, and media.
INTEC’s involvement adds an independent academic perspective to the process. The university collects and analyzes environmental samples, helping generate independent technical information, and strengthening national scientific capacity in environmental monitoring.
“Monitoring results confirm that water quality meets applicable standards, and, in the case of the Margajita stream, show improvement in water quality along the watercourse and at its entry into the Yuna River,” said Carlos Sánchez Alegre, Sustainability and Permitting Lead at Barrick Pueblo Viejo. “Long-term monitoring allows us to demonstrate the evolution of these water bodies through data, and strengthen an environmental management approach that is transparent and evidence based. At Barrick, we are committed to being good corporate citizens, and conscientious and responsible caretakers of the environment.”
The 59th exercise continues a program that has run every three months since 2012. By giving stakeholders direct access to monitoring activities and incorporating independent academic oversight, the program has become a sustained platform for transparency, dialogue, and environmental awareness around the operation.
About Barrick Mining Corporation
Barrick is a leading global mining, exploration, and development company. With one of the largest portfolios of world-class and long-life gold and copper assets in the industry, Barrick’s operations and projects span 17 countries and five continents. Barrick is also the largest gold producer in the United States. We create real, long-term value for all stakeholders through responsible mining, strong partnerships, and a disciplined approach to growth. Barrick shares trade on the New York Stock Exchange under the symbol ‘B’ and on the Toronto Stock Exchange under the symbol ‘ABX’.
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