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Related Experiment Videos

Water management in Windhoek, Namibia.

J Lahnsteiner1, G Lempert

  • 1VA TECH WABAG GmbH, Siemensstrasse 89, 1210 Vienna, Austria. josef.lahnsteiner@wabag.com

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|February 20, 2007
PubMed
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Windhoek, Namibia, overcame extreme water shortages through decades of strict water management, including wastewater reclamation and direct potable reuse. This integrated approach utilized policies, legislation, education, and technical measures for sustainable water resource management.

Area of Science:

  • Environmental Science
  • Water Resource Management
  • Urban Planning

Background:

  • Windhoek, Namibia, faced challenges with limited potable water resources.
  • Previous water management strategies were insufficient to overcome scarcity.
  • The need for sustainable water solutions was critical due to increasing demand and drought conditions.

Purpose of the Study:

  • To analyze Windhoek's successful strategies for water resource management.
  • To highlight the effectiveness of wastewater reclamation and direct potable reuse.
  • To demonstrate how integrated water management can overcome severe droughts.

Main Methods:

  • Implementation of strict water management policies.
  • Integration of wastewater reclamation and direct potable reuse.

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  • Enforcement through legislation, education, and technical/financial measures.

    • Main Results:

    • Successful extension of limited potable water resources for decades.
    • Overcoming extreme water shortages, even during severe droughts.
    • Establishment of a resilient water supply system through integrated management.

    Conclusions:

    • Integrated water management, including wastewater reuse, is effective for urban water security.
    • Policy, legislation, and public engagement are crucial for successful water management.
    • Windhoek's model offers valuable lessons for other water-scarce regions.