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Water Supply Vol 5 No 6 pp 105–113 © IWA Publishing 2005

Estimation of willingness to pay for wastewater treatment

M. Genius*, M. Manioudaki**, E. Mokas***, E. Pantagakis****, D. Tampakakis***** and K.P. Tsagarakis******

*Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)
**Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)
***Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)
****Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)
*****Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)
******Department of Economics, University of Crete, University Campus, 74100 Rethymno, Greece, (E-mail: kandila@her.forthnet.gr)


ABSTRACT
The aim of this study is to analyse residents' acceptability (willingness to use) of a wastewater treatment plant in their region and to evaluate citizens' Willingness to Pay (WTP) for the public provision of central wastewater treatment. We present a case study on rural and seaside tourist areas of the Municipalities of Lappaion, Georgioupolis and Krioneridas located in North-West Crete. For this purpose, a double bound dichotomous choice format contingent valuation study was conducted where members of 326 households were interviewed with face to face interviews. Mean WTP was found to be 44 € to be paid as an additional charge on the water bill, which is considerably higher than the estimated amount needed for the investment. Keywords Contingent valuation; double bounded dichotomous choice; wastewater treatment

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