In 2025, California Water Service Group 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 | 41,682a | N/A | N/A | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 529a | 292a | 280a | |
Non-Hazardous Waste Disposed | 1,727a | N/A | N/A |
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In 2025, California Water Service Group generated a total of 41,682 metric tonnes of waste.a
Of this amount, 1.27% of California Water Service Group'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.98.73% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a