In 2024, ONEOK 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) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Waste Generated | 52,376a | 39,909a | 68,167a | |
Total Waste Recovered | 2,425a | 759a | 357a | |
Total Hazardous Waste Generated | 149a | 188a | 71a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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In 2024, ONEOK generated a total of 52,376 metric tonnes of waste.a
Of this amount, 0.28% of ONEOK'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.99.72% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2020, ONEOK's total waste generation increased by 116.07%, including a 31.24% rise in 2024, reflecting a persistent upward trend that could be linked to operational growth, inefficient material use, or limited investment in waste prevention systems.a
Over the same period, ONEOK saw a long-term increase of 11.22% in hazardous waste share, but a 39.61% reduction in 2024, indicating a recent improvement that may reflect updated production inputs, enhanced treatment, or stricter controls.a
Overall, ONEOK'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