Definitions for "Spillway"
Related Terms:
Tailwater, Dam, Weir, Barrage , Stilling basin, Sluiceway, Riffles, Impoundment, Forebay, Ephemeral streams, Ephemeral stream, Tailrace, Flooded, Flood irrigation, Surface runoff, Influent stream, Base flow, Runoff, Baseflow, Backwater, Diversion, Emergency spillway, Stormwater runoff, Stormwater, Flume , Intermittent stream, Detention pond, Detention basin, Losing stream, Run-off, Outlet, Overland flow, Dike, Storm water, Effluent stream, Check dam, Storage reservoir, Flood, Plunge pool, Gaining stream, Overflow, Drainage, Receiving waters, Watercourse, Direct runoff, Stream, Surface water, Storm drain, Riffle, Sluice
A sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam.
The channel or passageway around or over a dam through which excess water is released or "spilled" past the dam without going through the turbines. A spillway is a safety valve for a dam and, as such, must be capable of discharging major floods without damaging the dam, while maintaining the reservoir level below some predetermined maximum level.
a depression in the embankment of a pond or basin, used to pass peak discharges in excess of the design storm.
passage in or about a dam or other hydraulic structure for escape of water
a passage for surplus water over and around a dam or similar obstruction.
a channel that carries excess water over or around a dam or other obstruction
a section of a dam designed to pass water from the upstream side of a dam to the downstream side
a passageway for surplus water from a canal or reservoir.
The structure on or at the side of a dam that contains and guides the flow of the excess water supplied to a reservoir. Spillways inside the reservoir are called glory holes and consist of a vertical shaft a tunnel which exits below the dam.
a waterway of a dam or other hydraulic structure used to discharge excess water to avoid overtopping of a dam.
Dams without floodgates are designed with an area called a spillway that allows water to flow freely over it during floods. A controlled spillway has floodgates.
Overflow structure of a dam. spinning reserve: The unloaded (not in use) generating capacity of a system's firm resources that is available on five minutes' notice to take up load on a sustained basis.
pipe flow through turbine or outlet works from a resevior.
A channel or passageway around or over a dam through which water is released, or “spilled,†past the dam without going through the turbines. Spillways at some dams are controlled with gates. At others, water flows over the top of the spillway automatically when the reservoir level gets to a certain elevation. A spillway is a safety valve for a dam; it can be used to discharge rainfall and runoff from major storms as necessary to maintain the reservoir below a predetermined maximum level.
a surface apron or trough for conducting water down a relatively steep slope
The structure through which a controlled amount of floodwater is diverted to another waterway. This diversion is necessary to relieve the enormous pressures exerted by rising water on the flood control levees downstream of the spillway.
The place where water flows over a dam after a reservoir has filled to capacity.
A channel that conducts water past a dam. A spillway routinely passes flow whereas an emergency spillway is used only when the water level of a reservoir exceeds the full supply level.
A structure that passes normal and/or flood flows in a manner that protects the structural integrity of the dam.
A feature in a dam allowing excess water to pass without overtopping the dam. Usually the spillway functions only in large floods.
Channel used to release excess water without passing it through the turbines.
A structure over or through which excess or flood flows are discharged. If the flow is controlled by gates, it is a controlled spillway, if the elevation of the spillway crest is the only control, it is an uncontrolled spillway.
channel for reservoir overflow.
An outlet pipe or channel serving to discharge water from a dam, ditch, gutter, or basin.
The section of a dam that is designed to pass water over or through it.
a specially built structure to catch overflowing water from dams
The facility associated with a storage reservoir or diversion structure to allow for the bypass of water when the reservoir or ditch is full or in flooding conditions.
A passage for surplus water to flow over or around a dam.
A structure that allows release of excess water from a dam or other hydraulic structure.
A channel or passage for the escape of surplus water from a dam, river, etc.
A spillway is a structure used to provide for the controlled release of flood flows from a dam or levee into a downstream area, typically being the river that was dammed. Spillways release floods so that the water does not overtop and damage or even destroy the dam. Except during flood periods, water does not normally flow over a spillway.