1841 inhabitants by 2026. This territory defines the scope of METRHI, based on the political, social, and environmental criteria used for its delimitation. The Ichuña district has a Human Development Index (HDI) of 0.63, a life expectancy of 89.65 years, and a monthly per capita household income of PEN 826.2 (UNDP, 2025). Local livelihoods are primarily based on livestock farming and small-scale family agriculture. In 2025, the district registered 906 agricultural producers, while agricultural land represented less than 2% of the total district area. Potatoes, yellow maize, broad beans, alfalfa, quinoa, and oca were among the main products contributing to the Gross Value of Agricultural Production (GVP) (MIDAGRI, 2025). Figure 2 - Location of METRHI within SNGRH The METRHI area also includes the territories of the following rural communities: Calazaya, Crucero, Anchallani, San Juan de Miraflores, Centro Ichuña, San Juan de Yanahuara, San José de Humalso, Totorani, Condorani Santa Clara, Sicuani, Chaje, Santiago de Chucapaca, Huaychuni, Santa Cruz de Oyo Oyo Maycunaca, Antajahua, Jucumarine, and Corire. Finally, the METRHI territory encompasses nearly the entire Ichuña hydrographic unit, which is strategic for water supply for agricultural, domestic, and mining purposes. The area exhibits a strong interrelationship between water availability and local socioeconomic development. Within the framework of the SNGRH, the territory is administratively located under the jurisdiction of the ALA Tambo Alto Tambo, which reports to the AAA Caplina Ocoña. 5. METRHI: ESTABLISHMENT, FORMATION, AND OPERATION 5.1 Delimitation of the hydrographic area of the METRHI The delimitation of the METRHI territorial scope was based on three criteria: (1) hydrographic delimitation using the Strahler method to define the hierarchical order of watercourses; (2) politicaladministrative boundaries; and (3) the diversity of water users and social actors associated with water resources within the identified territory.
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