Die Überwachung der Wasserqualität des Vierwaldstättersees, des Zustand seiner Ufer und der Fliessgewässer im Einzugsgebiet zählen zu den Hauptaufgaben der AKV. Zu Beginn der Badesaison beurteilen die Kantone auch die Badewasserqualität.

Zusätzlich zu den Untersuchungen der Kantone und der Eawag veranlasst die AKV ergänzende Projekte.

Während bei früheren Projekten die Verbesserung der Wasserqualität im Zentrum stand, liegt der heutige Schwerpunkt bei den Beeinträchtigungen des Lebensraumes, der Morphologie und Hydrologie.

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