Abstract
Water losses in the water supply network pose a continuous challenge for water companies. Already during designing new networks, the designer assumes that the amount of water demand must be increased by a certain percentage (usually by 10% of the total average daily water demand for municipal and industrial purposes) due to the possible occurrence of water losses. Water loss is meant the difference between the amount of water injected into the network and the amount of water used and invoiced, i.e. that brings income for the water supply company. Proper water metering management helps to limit water losses. This paper presents analysis of the water meter management of urban-rural water supply system.
Highlights
Water leaks are an important part of the water balance in a water company
It was noted that the authors of the “Guidelines for designing and construction of water supply and wastewater networks and service lines” PWiK of the Częstochowski District assumed safety coefficients from 1.1 to 1.25 for water meters DN20 and DN40 in the selection of water meters based on predicted water consumption for 5 years of water meter operation
This article presents the approximate scale of the problem of water meter size and the average amount of water measured by these meters
Summary
Water leaks are an important part of the water balance in a water company For every company, it is important for the level of revenue water to be as close to 100% as possible. The level of NonRevenue Water is affected by Real Losses and by Apparent Losses and Unbilled Authorized Consumption. As metering of consumers’ water consumption was introduced in Poland, the amount of water consumed per household decreased. This is linked to many operational problems of water supply networks, i.e. excessive diameters, low water flow rate, etc. The same problem appeared during measurement of the amount of water consumed. There are problems related to attempts to cheat water meter readings and measurement accuracy class [10]. Proper water meter management has an influence on the quality of measuring water consumption
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