Abstract: A device for controlling the flow of water between an irrigation ditch and an adjacent field. A conduit having a first end opening into the irrigation ditch and a second end opening into the field to be irrigated. The cover is pivotally attached to the first end of the conduit by means of a "J"-shaped hinge. A handle is provided on the exterior of the cover and can be engaged by a manually-held instrument to pivot the cover to a position above the conduit where it will rest due to the configuration of the hinge part. The conduit is positioned relative to the irrigation ditch such that the first end is recessed inwardly of one side wall of the ditch and extends below the bottom wall of the ditch.