The purpose of this paper is to grasp the level of satisfaction by inhabitants for the agricultural water use facilities, and clarify the direction of improvement. To approach the above subject, the authors sent questionnaires to inhabitants in Minamiumemoto, Takai and Nakano district in Dogo plain, Ehime prefecture during December, 2004 and performed CS portfolio analysis as an evaluation technique. The items of research are the satisfaction for agricultural water use facilities, "Natural environment", "Scene", "Management", "Sense of closeness", "Water quality", "General satisfaction", and the concern for agricultural water use facilities. The results of this study are as follows: (1) As a result of having researched concern and satisfaction by inhabitants for the agricultural water use facilities, the level of concern in Minamiumemoto district is low in comparison with other two districts, and the level of satisfaction in Nakano district is low. On the other hand, in Takai district where environmental maintenance of the waterside is performed positively, the level of both two items is high in comparison with other two districts. (2) As a result of CS portfolio analysis, it is clarified that "Water quality" shows the improvement point in three districts. But the background of this is different in every district, and different methods are necessary for the measures. (3) Satisfactory structure is different for the other four items in every district. In Minamiumemoto district, items except "Water quality" is evaluated in some degree, particularly "Sense of closeness" shows the superiority point. In Takai district, "Sense of closeness" shows the precaution point, "Natural environment" and "Scene" shows the improvement point, for the consciousness for environment is high in comparison with other districts. In Nakano district, "Management" shows the precaution point, and this reflects dissatisfaction for the present conditions of the management system of agricultural water use facilities.
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