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In 1984 the state of Colorado and EPA approved a trading program for the Dillon Reservoir to control nonpoint sources of phosphorus. This program constitutes the only trade nationwide to date. Under the program, sewage treatment authorities pay for the installation of nonpoint source controls and receive credit in their discharge permits of 1 pound for every 2 pounds of phosphorus removed from nonpoint sources. Sewage . | E-WAter Official Publication of the European Water Association EWA EWA 2006 Barbara ZANOU1 Decrease of non-point water pollution A practical algorithm for the user-friendly presentation of the costeffectiveness comparison of management measures ABSTRACT The European Water Framework Directive WFD establishes the framework for the water quality protection in EU. This legislation defines the use of the Cost-Effectiveness Analysis CEA for the identification of the least cost related management measures WFD Article 5 Annex III and requires involvement and close cooperation with users WFD Article 14 . Within these principles a practical and simple algorithm is constructed for the user-friendly presentation of the cost-effective measures applied for the decrease of the water pollution by agricultural run-off. Furthermore in the disseminated information to users regarding the CEA procedures data for the estimation of the cost of a measure should be also included. Keywords Water Framework Directive Cost-Effectiveness Analysis Agriculture Water Management HEPIAHTH H Eup aíKÉ OÔEyía niaíơro yra ra Nspá syKaOrơMá MO rclaíoro yra MEv Kpoơraơía MES Korórqrag M v vspróv ơrpv E.E. H vopoOsoía aurp Kabopí sr ME xppop MES AváluơES Kóơrous A oMsIsơpaMrKÓMEMas CEA yra Mov pooòiopiGLió M v ơ MrKróv ôra srprơMrKróv Lii .Mpov la íơMou KÓơMous ápQpo 5 HapápMEpa IU Kar kopi .i a apaíMEME ME ơuppsroxÉ Kar GMsvÉ ơuvspyaoía ps mous xpÉcmss ápQpo 14 . Báosr aurróv M v ap róv ếvas paKMiKós Kar a Iós alyóprbpos ÔEproupyÉỠEKS yta ME ọrlrKÉ pos mo xpéơme KapouoíaơE M v Lii .Mpov axoriAi .GLiariKoi Kóơrous ou sọappó ovrar yra ME psíroơE MES pbrcavơES M v uôárrov a ó MKS ysropyrKốs a oppoí s. Ekíoes JMa KẦaíora MES ôráôoơES MES Epoọopias orous xpÉcmss óoov aọopá MKS ôraôrKaotes MES CEA Qa pí í i va ơuprcsprlapPávovMar Kar ôsôopếva yra ro kóomos rou Ká9s pếrpou. 1 Hellenic Centre for Marine Research HCMR Institute of Oceanography PO Box 712 Anavissos 19013 Attiki GREECE E-mail address bzanou@ ath. .
