Water Allocation System in Argentina

Informal Water Allocation Mechanisms in Western Argentina

In western Argentina, water allocation often operates through informal mechanisms that exist outside or even against formal legal frameworks. These informal practices are prevalent due to the ineffectiveness of legal repression and the continuous need for regularization. The tension between these informal mechanisms and the formal legal system highlights a crisis in both the effectiveness and legitimacy of state-managed public water resources.

Optimization of Agricultural Water Use in Mendoza

In the Province of Mendoza, significant efforts have been made to optimize agricultural water use, particularly in large irrigation schemes like those of Rio Mendoza and Rio Tunuyán. Studies have shown that by optimizing the conjunctive use of ground and surface water, it is possible to meet annual water requirements more efficiently and at a lower cost. This optimization involves detailed analysis of various physical characteristics such as soil water storage capacity, crop water requirements, and groundwater table depth.

New Water Governance Model in Mendoza River Basin

A new governance model aimed at balancing water supply and demand has been proposed for the Mendoza River Basin. This model includes strategic analysis and the application of the Water Evaluation and Planning (WEAP) model to assess water resources. By reordering water allocations, improving irrigation management, and enhancing user participation, it is possible to better accommodate future water demands despite the impacts of climate change.

Disparities in Drinking Water Access

Argentina faces significant disparities in drinking water access, with rural and poorer urban areas being particularly disadvantaged. The national government's pricing and supply policies tend to favor richer, urban regions, exacerbating the precarious water situation in the dry and economically poorer north and west of the country. This inequity is further intensified by climate change, which differentially affects these regions.

Evolution of Water and Sanitation Services in Buenos Aires

The Buenos Aires metropolitan region has seen various models of water and sanitation services over the years, ranging from federal welfare models to private sector concessions. The current public organization model, while more sustainable, still faces challenges due to territorial limitations and inherited features from previous private sector involvement.

Legal and Administrative Framework in Mendoza

The legal and administrative framework for water resource management in Mendoza is complex, influenced by a mix of Roman law, Arab irrigation rights, and pre-Colombian practices. This framework is designed to address regional challenges but often struggles with practical implementation issues, particularly in irrigation water management.

Drinking Water Quality in Peri-Urban Areas

In peri-urban areas of Argentina, drinking water quality remains a significant concern. Current regulations focus on specific pathogens but fail to address broader microbiological risks adequately. Studies have shown that while E. coli levels are generally within acceptable limits, other pathogens like Pseudomonas aeruginosa and Giardia pose significant health risks, highlighting the need for improved regulatory efforts and infrastructure investment.

Water Availability and Governance in Mendoza's Wine Region

Mendoza's wine-producing region faces critical issues related to water availability and governance. The region's arid climate, combined with overexploitation and opaque water policies, exacerbates water stress. Climate change is expected to further impact water resources, necessitating adaptive public water policies to ensure the sustainability of the wine industry.

Conclusion

Argentina's water allocation system is characterized by a mix of informal practices, optimization efforts, and evolving governance models. While significant strides have been made in regions like Mendoza, disparities in water access and quality remain a challenge, particularly in rural and peri-urban areas. Addressing these issues requires a combination of improved legal frameworks, strategic governance, and investment in infrastructure to ensure equitable and sustainable water management across the country.

Water allocation system in Argentina

Summary

Water Allocation System in Argentina

Informal Water Allocation Mechanisms in Western Argentina

Optimization of Agricultural Water Use in Mendoza

New Water Governance Model in Mendoza River Basin

Disparities in Drinking Water Access

Evolution of Water and Sanitation Services in Buenos Aires

Legal and Administrative Framework in Mendoza

Drinking Water Quality in Peri-Urban Areas

Water Availability and Governance in Mendoza's Wine Region

Conclusion

Sources and full results

Non formal mechanisms for public water allocation and the ineffectiveness of law in arid western Argentina

In arid western Argentina, informal water allocation mechanisms and management practices highlight the ineffectiveness and legitimacy of the formal legal system in managing public waters.

Appraisal and optimization of agricultural water use in large irrigation schemes: II. Applications

Optimal allocation of surface water in irrigation schemes can reduce groundwater use and overall costs, improving overall performance.

A New Water Governance Model Aimed at Supply–Demand Management for Irrigation and Land Development in the Mendoza River Basin, Argentina

A new water governance model can improve supply-demand management in the Mendoza River Basin, Argentina, by reordering allocations, implementing better farm irrigation water management, and enhancing user participation.

Unjust Water: An Investigation of the Drinking Water Situation in Argentina

Argentina's drinking water situation is unjust and precarious, with disparities in supply and pricing, and a lack of education leading to environmentally-damaging habits among the public.

Changing paradigms in water and sanitation services in Argentina: towards a sustainable model?

The new public water and sanitation service model in Argentina, influenced by the private sector, is a sustainable approach with territorial limitations and institutionalized regulation.

The legal and administrative setting for the use of water resources in Mendoza, Argentina

The legal-administrative setting for water resources in Mendoza Province is influenced by the region's nature and history, with Roman law, Arab irrigation rights, and pre-Colombian practices playing key roles in water management.

Development of a relative risk model for drinking water regulation and design recommendations for a peri urban region of Argentina.

Current regulations in Argentina are adequate for E. coli, but need improvement for P. aeruginosa and Giardia, highlighting the need for improved regulatory efforts and investment in water infrastructure.

Water availability, use and governance in the wine producing region of Mendoza, Argentina

Climate change may lead to extreme events and decreased water availability for irrigation in Mendoza, Argentina's wine-producing region, requiring public water policies to adapt to changing climate and water governance practices.

A GIS-based assessment of maximum potential hydropower production in La Plata basin under global changes

The La Plata Basin's potential hydropower production can be significantly increased by global changes, such as population growth, economic development, urbanization, and changes in hydrological regimes and land use.

Water and sanitation policies in Argentina: the challenge of universalizing services

Argentina's water and sanitation policies have progressed through five stages, but universalizing services remains a challenge, with regulatory and institutional aspects playing a key role.

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