Water intake, in particular for industrial installations

A self-contained water intake assembly of unitary construction installable as a unit in a body of flowing water, said water intake assembly comprising a common frame including a substantially vertically hollow shaft, said hollow shaft having an upper and a lower end and defining a water flow conduit, an axial flow immersible pump unit mounted at the lower end of said shaft and housed substantially entirely therein for pumping water from the lower end to the upper end of said shaft, a self-cleaning filter mounted at and fluidly connected to the upper end of said shaft, an intake opening disposed at the lower end of said shaft upstream of said pump unit, a grid fitted within said intake opening, and a trash rake mounted on the common frame and extending parallel to said shaft, said trash rake engaging said grid, and said trash rake providing means for cleaning said grid.