Abstract
Over the last decade the approach to dealing with an increasing water demand in the Cape Metropolitan Area (CMA) has progressively shifted from a supply oriented philosophy to one where strategies for reducing the demand are integrated with supply management. While there is still much to be done to implement a totally integrated approach, a firm foundation has been laid. Water demand management as an approach became increasingly prominent in the CCT supply area in the mid 1990s. Accordingly, a Water Demand Management Section was formed in the Water Department of the former Cape Metropolitan Council (CMC). This section was instrumental in shifting the approaches to water demand management in the 6 local councils in the CMA. Towards the end of 1999 it became increasingly clear that there was a need to adopt an integrated water resource planning approach to manage the future water demand. As a result, the former CMC appointed consultants to carry out an “Integrated Water Resource Planning” (IWRP) study. The results of the IWRP study indicate that a significant saving in water demand could be achieved through the implementation of water demand management initiatives. In comparison to the water supply options, the water demand management initiatives would have a significantly lower implementation cost, could be implemented in a shorter time frame and were generally more environmentally and socially acceptable. Recommendations were made to the new City of Cape Town (CCT) – formed in December 2000 through the amalgamation of the former CMC and the 6 local councils - on where to focus their resources and attention with the aim of meeting and managing the water demand. The water demand in the CCT has decreased significantly since November 2000. This can be attributed to the recent water restrictions as well as the implementation of water demand management initiatives. The reduction in water demand has delayed the need for the implementation of additional water augmentation schemes other than the Berg Water Project.. Water SA Vol. 30 (5) 2005: pp.100-104
Highlights
Water is a scarce resource in the Western Cape, and historically there have been periods of water restrictions followed by the development of new water augmentation schemes
With the realisation that water demand management was becoming increasingly important in order to ensure future sustainability and affordability, the Cape Town City Council began with water demand management initiatives 1995
The need to adopt an integrated approach to water demand management and water augmentation was identified, and towards the end of 1999 the Cape Metropolitan Council (CMC) appointed a consortium of Ninham Shand and Arcus Gibb to carry out an “Integrated Water Resource Planning” (IWRP) study
Summary
Water is a scarce resource in the Western Cape, and historically there have been periods of water restrictions followed by the development of new water augmentation schemes. In 1998 the former Cape Metropolitan Council (CMC) appointed a Manager to oversee Water Demand Management. This was followed by the development of a Water Demand Management Strategy and Policy which was officially adopted and approved by the CMC towards the end of 1998. The need to adopt an integrated approach to water demand management and water augmentation was identified, and towards the end of 1999 the CMC appointed a consortium of Ninham Shand and Arcus Gibb to carry out an “Integrated Water Resource Planning” (IWRP) study
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