Water Supply Vol 4 No 3 pp 91–102 © IWA Publishing 2004
Low-flow devices in Spain: how efficient are they in fact? An accurate way of calculation
R. Cobacho*, F. Arregui**, L. Gascón*** and E. Cabrera Jr.****
*Institute for Water Technology, Polytechnic University of Valencia, C/Camino de Vera s/n, Valencia, Spain
**Institute for Water Technology, Polytechnic University of Valencia, C/Camino de Vera s/n, Valencia, Spain
***Institute for Water Technology, Polytechnic University of Valencia, C/Camino de Vera s/n, Valencia, Spain
****Institute for Water Technology, Polytechnic University of Valencia, C/Camino de Vera s/n, Valencia, Spain
ABSTRACT
After introducing the indirect evaluation of urban water demand, which has been sometimes performed, this paper focus the attention on two complementary methods to overcome the accuracy problems on the planning process of water conservation programs: a detailed measurement of water consumption, reaching the identification and assessment of end uses of water, and the lab tests of water use devices. An application of both methods on a small Spanish town is presented as a case study.
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