| Summary: | This article demonstrates a practical and more reliable approach for assessment of leakage from Riyadh water distribution network. It presents the methodology and discusses the result of the field study of ten selected areas of the city. The average leakage of the ten areas was found to be about 34 percent. Assuming the selection of the ten areas were fairly representative, the average leakage of Riyadh city based on total consumption may be taken as 34 percent. However, during field study it was noticed that most of the leakage was at or near house connections. Based on the ratio of house connections of the ten areas and Riyadh city, the average leakage for the city was of the order of 22 percent.
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