In 2025, Nexa Resources Peru conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | 6,392a | 6,145a | 7,530a | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 1,177a | 1,223a | 2,155a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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In 2025, Nexa Resources Peru generated a total of 6,392 metric tonnes of waste.a
Of this amount, 18.41% of Nexa Resources Peru's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.81.59% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, Nexa Resources Peru's total waste generation fell by 15.11%, but rose by 4.02% in 2025, potentially reflecting a temporary surge in activity or inconsistency in waste control strategies.a
Over the same period, Nexa Resources Peru reduced the hazardousness of its waste by 35.66%, with a further 7.48% decline in 2025, suggesting a sustained and meaningful shift toward safer waste profiles and lower environmental impact.a
Overall, Nexa Resources Peru's waste and hazardousness trends are mixed or inconclusive. A more detailed review of its materials, industry standards, and operational changes would help clarify the net environmental impact of its waste strategy.a