Devlet Su İşleri (DSİ) is Turkey's primary state agency responsible for the utilization, protection, and management of water resources. It operates as a special budgeted investment organization under the central government, focusing on scientific and technical development of water and soil resources.
| Ownership Private Company |
| Parent Company Republic of Turkey |
DSİ is responsible for the planning, management, development, and operation of all water resources in Turkey, focusing on sustainable development and environmental sensitivity.
Public investment and management of national water and land resources.
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Last verified: February 2, 2026
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