Patent ID: 7762741

Claim:
A flow control system for integration into a detention pond, the flow control system comprising: a stationary riser, the stationary riser having a stationary riser hollow core, an axis of the stationary riser hollow core being vertical, the stationary riser hollow core fluidly connected to a drainage system; a movable riser, the movable riser slideably interfaced with the stationary riser, the movable riser having a hollow core, an axis of the hollow core being vertical, a top surface of the movable riser having a rim, the hollow core fluidly connected to the stationary riser hollow core whereas liquid from the detention pond flows over the rim, through the hollow core through the stationary riser hollow core and out of the stationary riser hollow core and into the drainage system; wherein there is no seal between the stationary riser and the movable riser and whereas the liquid is able to flow between the stationary riser and the movable riser; and at least one float interfaced to the movable riser, the at least one float providing buoyancy to the movable riser.