A basin plan for a shared watercourse must envisage future development
possibilities and seek to meet the objective of advancing equitable, sustainable
and reasonable utilisation of the resources.
Where a significant infrastructural development is envisaged in a basin, but is
not on the shared part of the watercourse, the Member State promoting the
project is to consult with the other basin States and provide an opportunity for
non-objection by these States. When the project is on the shared part of the
watercourse, the planning, development and management is to be undertaken
jointly. The equitable sharing of the costs and benefits of the development is a
matter for negotiation, within the framework provided by the Protocol.
8.3
Water Demand Management
8.3.1. Policy: When planning the development of water infrastructure and
services, Member States or river basin organisations shall aim to utilise existing
capacities more efficiently as part of the process of augmenting water supply.
The reorientation of water resource management from the supply-oriented
approach to an emphasis on water demand management has shown that the
cheapest water for tomorrow may be the water that is being wasted today.
Inefficient water use is not just unsustainable under a situation of water scarcity,
but also imposes significant costs on the economies of the region. This
underscores the dire need for ensuring that an options analysis is undertaken
prior to embarking on infrastructural development projects e.g. construction of
dams and inter-basin transfer schemes.
However, it must also be recognised that the majority of the people in SADC
region are not using adequate water for basic needs or for local productive use
and are highly vulnerable to drought. In many cases the most appropriate
option is to develop small localised water storage facilities in support of local
poverty eradication.
In all SADC countries, there are large inefficiencies of water use in irrigated
agriculture, industries and households, high percentages of unaccounted for
water in urban water supply systems and losses, even at point sources, in rural
areas. All these require audits and critical assessment to determine where
efficiencies can be improved, so as to maximise outputs from existing sources.
This will involve a wide range of interventions, including changing the
behaviour of consumers, disseminating water efficient technologies, introducing
efficiency-inducing pricing structures, reducing leakages in distribution
networks and improving operating rules in supply systems.
The reallocation of water within sectors (for example by changing from growing
low value, high water-demand crops to high value, low water-demand crops)
and between sectors (for example from irrigated agriculture to mining and
industry) are also important strategies for making better use of existing water
resources before investing to expand supply capacities.
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