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Spillway facts for kids

Kids Encyclopedia Facts

A spillway is a construction to release extra water from a dam, in a way that this water does not cause damage. Each dam has a maximum capacity. Water that is more than this capacity cannot be stored, and has to be released. A spillway allows to do this in a safe way.

Gallery

  • Ladybower Reservoir Outlet overflow

    Outlet-type spillway when in use

  • Ladybower Reservoir Outlet

    Outlet-type, unused

  • Kouris Reservoir' spillway 14

    Overflow type

  • Wasserschanze der Trinkwassertalsperre Eibenstock

    Looking down an overflow spillway

  • Llyn Brianne spillway

    Overflow type

Images for kids

  • Bonneville Dam spillway cross-section

    Cross-section of typical spillway with Tainter gates

  • YeomanHaySpillway

    A stepped chute baffled spillway of the Yeoman Hey Reservoir in the Peak District in England.

  • HungryHorseDamSpillway

    Bell-mouth spillway of Hungry Horse Dam in operation.

  • USBORTypeIIIStillingBasin

    A U.S. Bureau of Reclamation type-III stilling basin

  • Hope Mills Dam and Spillway high water

    A labyrinth spillway and a fish ladder (left) of the Hope Mills Dam in North Carolina

  • Burdekin Dam

    Spillway with flip bucket at Burdekin Dam

  • Hoover Dam and Arizona Spillway, 1983

    Water enters Hoover Dam's Arizona side channel drum-gate spillway (left) during the 1983 floods

  • Utedamspillway

    A labyrinth spillway entrance (bottom) at the Ute Dam in New Mexico

  • Crystaldamogeespillway

    An ogee-type spillway at the Crystal Dam in Colorado

  • Newwaddelldamspillway

    An emergency spillway with fuse plug (bottom) and an auxiliary ogee spillway (top) at New Waddell Dam

  • Ohzuchi dam

    Semicircular spillways of Ohzuchi Dam (Shiga Pref., Japan)

  • Llyn Celyn Spillway - looking down!

    Looking down into the bell mouth spillway at Llyn Celyn

  • Spillway, Bonneville Dam-2

    Low-height spillway of Bonneville Dam with sluice gates

  • Horse Mesa Dam Spillway

    A drop inlet in use at Horse Mesa Dam in Arizona, circa 1940

  • Geehi Dam Spillway

    The Geehi Dam spillway has never seen water as of March 2019

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Spillway Facts for Kids. Kiddle Encyclopedia.