Proposal for identification methodology for urban agglomerations according to directive 91/271/EEC on wastewater treatment

摘要

This paper discusses the problem of the identification and definition of the urban agglomerations innaccordance with Directive 91/271/EC. The aim of this identification is to guarantee a satisfactory levenof treatment for urban wastewaters and the achievement of the quality objectives for water bodies.nThe methodology employed, taking into account the existing planning tools in the water servicensector, has been based on official national census data, on the Water Protection Plan, on thenpredictions of Water Service Plans prepared by each Water Authority and on detailed indicationsnprovided by the Authorities themselves. The proposed approach, obtained with geographicninformation systems applications and the calculation of pollution loads, is described and tested in thenVeneto region, Italy. In the final part of the paper some considerations on the results obtained arenpresented and discussed.