Patent ID: 6905287

Claim:
A fish ladder incorporated with a water structure comprising, a flat base plate; spaced upstanding parallel side walls that are individually secured along each of their lower edges to extend upwardly from and substantially across a top surface of said flat base plate and are equidistant from and substantially parallel to outer edges of said flat base plate, forming like sized flat base plate wing sections; pairs of channel means that are each individually secured to one of said upstanding side walls opposing surfaces for receiving dam sections fitted therein, and with the individual channel means in each pair aligning with one another to receive one or more of said dam sections; a plurality of dam sections each formed as flat rectangular member of like height, width and thickness and whose ends are to fit into, to pass along, opposing channels; means for maintaining the flat base plate in position between ends of a water structure that consists of at least a pair of sleeves with each sleeve including means for maintaining water therein, with each said sleeve having a closed end for positioning onto one of said like sized flat base plate, wing sections with each said sleeve end resting against an outer surface of an adjacent upstanding parallel side wall and each said sleeve end positioned on one of said like sized flat base plate wing sections.