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  3. ZAWA pilot scheme for the control and reduction of non-revenue water in the city water supply system​

ZAWA pilot scheme for the control and reduction of non-revenue water in the city water supply system​

Integrated project for the diagnosis and the reduction of non-revenue water in a pilot area of the water supply system of Zanzibar city.​

  • Project execution dates
    from February 2014 to December 2014
  • Localization
    Zanzibar / Tanzania
  • Expertise domains
    • Commercial optimization
    • Technical optimization
Description of the WMI service
  • Sectorization’s checking of the pilot zone of Chukwani and installation of macro-metering in the input area
  • Supply and installation of production and zoning water meters for the areas of Chukwani and Kiembesamaki
  • Measurements of flow/pressure
  • Leak detection and repairs
  • Evaluation of the customers’ database
  • Customers’ inventory in the pilot zone
  • Consumption measurements of a sample of consumers and assessment of the consumptions by categories (domestic, industrial, agricol…)
  • Assessment of the water balance
  • Assessment of the non-revenue water
  • Priorization of the recommended actions to ZAWA
Key Results
  • Assessment of the non-revenue water of Chukwani pilot zone​
  • Recommendations for the reduction of the non-revenue water and the improvement of ZAWA services​
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