Water Balance Components and Performance Indicators Uncertainty Reduction - Požarevac Waterworks Case Study
2017
Babić, Branislav (Faculty of Civil Engineering, Belgrade (Serbia))
All estimates of water balance components and performance indicators include errors and uncertainties. The accuracy and reliability of these calculations depends on the accuracy and reliability of the measured data. The uncertainty of the input data is propagated to the calculated values of the system performance indicators. The quantification of the input data uncertainty and its propagation allows the water utility to determine the priorities on which data quality control activities should be focused in order to increase the reliability of the water balance components and performance indicator estimates. This paper presents the application of the ISO methodology for estimation of input data uncertainty propagation to the performance indicator of a water distribution system. A methodology for reduction of input data uncertainty, consisting of a total of seven activities implemented in sequence, is developed and tested in the Požarevac water distribution system. The implemented methodology resulted in significant reduction of uncertainty in the performance indicators and water balance components, but actual values of performance indicators did not improve.
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