Water Science & Technology: Water Supply Vol 7 No 4 pp 9–16 © IWA Publishing 2007 doi:10.2166/ws.2007.115
Water supply benchmarking – a cross-border comparison of outcomes and benefits in Austria and southern Germany
R. Neunteufel*, H. Kiesl** , R. Perfler*, R. Haberl*, J. Schielein** , H. Theuretzbacher-Fritz*** , J. Kölbl*** and H. Kainz***
*Institute of Sanitary Engineering and Water Pollution Control, University of Natural Resources and Applied Life Sciences Vienna, Muthgasse 18, A-1190, Vienna, Austria (E-mail: roman.neunteufel@boku.ac.at)
**Rödl & Partner, Aeussere Sulzbacher Strasse 100, D-90491, Nuremberg, Germany (E-mail: wasser@roedl.de)
***Graz University of Technology, Institute of Urban Water Management and Water Landscape Engineering, Stremayrgasse 10/I, A-8010, Graz, Austria (E-mail: theuretzbacher@sww.tugraz.at)
ABSTRACT
Recently, many countries have started benchmarking studies with the aim of improving performance in their water sectors. To see regional differences in water supply, a cross-country comparison based on five benchmarking projects of Austria and different German federal states was done. It was verified that the influencing factors on costs are mainly related to regional and structural parameters, causing the crosscountry differences. Besides the age of the mains, urbanity is one of the major influencing factors on burst rates, leakage, and also on mains rehabilitation. The survey on the benefits of benchmarking suggests that it more than pays for itself. Most participants found opportunities to optimize operation and efficiency. No company stated higher costs than benefits. Benchmarking does not only optimize efficiency, but more importantly, quality, reliability and sustainability of supply services.
Keywords: Austria; Baden-Wuerttemberg; Bavaria; benchmarking; benefit; cross-border comparison; Hesse; IWA performance indicator; Thuringia; water supply
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