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.

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