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According to the Dublin Water Principles, (1) water resources are to be firmly brought under the State’s function of clarifying and maintaining a system of property rights, and (2) through the principle of participatory management, the State asserts the relevance of meaningful decentralization at the lowest appropriate level. In other words, regulatory and compliance powers have, on the one hand, the responsibility to establish policies and regulations in relation to physical water resources, but on the other hand, also need to articulate how the people and institutions are in fact managing these natural resources.

Water, which might appear as a gift from nature, actually needs huge human investment in order to serve the varied and growing global demand on this resource. Creating the investment structures and securing the funding to meet water needs is a key enabling factor to achieving good water governance.

The Goascoran River basin is shared by Honduras and El Salvador and is of great environmental, economical and geopolitical importance. In 2006, action was taken to create a multi-sector instance to integrate, influence and coordinate sustainable management of the shared basin. This experience is of great value for IWRM, as the management group establishes a model of work for transboundary management.

Wathersheds of Tacana originate on the volcano, with both shared by Guatemala and Mexico. This region is of great strategic importance for both countries since they supply water to a large number of residents in the cities located downstream and are the main source of irrigation water for agriculture. In the lower reaches, fishing is an important source of income.

The area of Zarati river sub basin belongs to important water recharge zones. There is, however, a need to restore the area, which has been susceptible to degradation. Action has been taken in a bottom-up manner, applying Participatory Rural Assessment. Important lessons can be drawn from this in terms of IWRM, as it sets a clear example of active participation of the communities and the local authorities. 

The Prespa basin was affected by over-abstraction and diversion of water, wetland drainage, deforestation and overgrazing, leading to danger for human livelihoods and ecosystems. Action was taken by WWF through the creation of the Society for the Protection of Prespa, eventually culminating in the creation of Prespa National Park. The lesson drawn is that to change the perspective of local stakeholders to ensure that they share a common vision is vital for success.

The Maltese islands experience acute water shortage as an area. To address this, leakage control has been developed to become a strategically important component for water resource management, and has been used to reach an optimum economic balance between water supply and water demand. The key lesson is that leakage management is an effective supply side action to increase efficiency in water use leading, and can be used as a strategic tool.

The Veluwe Randmeren lakes in the Netherlands were negatively affected by the discharge of phosphates and nitrates from agriculture and household use. Furthermore, increase in population pressure posed further challenges. To address these issues, a group consisting of national and local authorities undertook a project, which gradually increased the water quality. The case study demonstrates the importance of allowing integration among stakeholder groups.