The Confederación Hidrográfica del Miño-Sil (CHMS) is an autonomous agency under the Ministry of Agriculture, Food, and Environment in Spain, responsible for the management of the Miño-Sil hydrological demarcation. The primary focus of CHMS is to ensure the sustainable use and management of water resources in the region, encompassing vital functions such as hydrological planning, flood risk management, and the preservation of water quality.

CHMS is involved in various projects, including the development of hydrological plans for 2022-2027 and initiatives aimed at enhancing drought response strategies for the upcoming 2028-2033 planning cycle. Additionally, they engage in environmental education campaigns, promote water-saving measures, and oversee the conservation and restoration of riverine ecosystems.

The agency also provides essential public resources, including real-time data on water levels and quality, as well as access to hydrological documents and public consultation processes. Their commitment to transparency ensures that citizens are informed and involved in water management decisions.