Sluice

A sluice (from the Dutch "sluis") is a water channel controlled at its head by a gate. A mill race, leet, flume, penstock or lade is a sluice channelling water toward a water mill. The terms sluice, sluice gate, knife gate, and slide gate are used interchangeably in the water and wastewater control industry.

A sluice gate is traditionally a wood or metal barrier sliding in grooves that are set in the sides of the waterway. Sluice gates commonly control water levels and flow rates in rivers and canals. They are also used in wastewater treatment plants and to recover minerals in mining operations, and in watermills.

Operation

"Sluice gate" refers to a movable gate allowing water to flow under it. When a sluice is lowered, water may spill over the top, in which case the gate operates as a weir. Usually, a mechanism drives the sluice up or down. This may be a simple, hand-operated, chain pulled/lowered, worm drive or rack-and-pinion drive, or it may be electrically or hydraulically powered.

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Latest News for: sluice

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Water and Sanitation on third sluice gate re-opened at Vaal Dam increasign outflow at Bloemhof Dam (Government of the Republic of South Africa)

Public Technologies 24 Apr 2025
The Vaal Dam is currently experiencing high inflows due to the heavy rainfalls on the upper catchment, as such the Department of Water and Sanitation (DWS) has re-opened a third sluice gate today at 16.00 to manage the water outflows.
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Monsoon nears but sluice gate project for lakes fails to take off

Deccan Herald 18 Apr 2025
Owing to a lack of funds, the project was only taken up partially, a senior BBMP official from the lakes department said.&nbsp;</p>.<p>“We have tried to install sluice gates at important lakes.
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Two sluice gates have finally been closed at the Vaal Dam

Eye Witness News 15 Apr 2025
After torrential rainfall last week, ...
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Dunball Sluice £9.7 million upgrade completed (The Environment Agency)

Public Technologies 15 Apr 2025
A £9.7million project has given the sluice another 25 years of operational life, helping to better protect properties, businesses and internationally important habitats across the Somerset Levels and Moors ... Dunball Sluice became operational in 1971.
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Communities near Vaal River may experience flooding after Bloemhof Dam sluice gates opened

Eye Witness News 13 Apr 2025
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Evacuation warnings as Vaal, Bloemhof dam levels continue to rise

Mail Guardian South Africa 09 Apr 2025
One sluice gate remains opened at 2.5m to enable water releases at Grootdraai Dam in Mpumalanga in the upper Vaal River catchment, upstream of the Vaal Dam ... As part of dam safety protocols, sluice ...
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Sanitation Department says opening Bloemhof and Vaal Dams sluice gates may result in flooding

Eye Witness News 08 Apr 2025
The controlled release of ...
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Water and Sanitation on Vaal Dam sluice gates (Government of the Republic of South Africa)

Public Technologies 07 Apr 2025
). The text version of this document is not available ... Disclaimer ... (noodl. 123514659) .
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Water and Sanitation on opening fourth sluice gate at the Vaal Dam (Government of the Republic of South Africa)

Public Technologies 07 Apr 2025
Due to the increased inflows in the Vaal Dam as a result of the ongoing rainfall in the Vaal River catchment, the Department of Water and Sanitation (DWS) will be opening a fourth sluice gate at 10h00 this morning, to manage water levels at the dam.
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Water and Saniation on opening fifth sluice gate opened at the Vaal Dam (Government of the Republic of South Africa)

Public Technologies 07 Apr 2025
Fifth sluice gate opened at the Vaal Dam as inflows increase rapidly, low lying communities warned of possible riverbanks overtopping ... This is 24 hours after the Department of Water and Sanitation (DWS) opened the fourth sluice gate at the Vaal Dam.
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DWS opens 5th sluice gate at Vaal Dam after water levels surge overnight

Eye Witness News 06 Apr 2025
The latest sluice gate ...
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DWS opens 4th sluice gate at Vaal Dam to manage water levels

Eye Witness News 05 Apr 2025
The Department Water and Sanitation said current water storage levels at the dam are at 107.82%. .
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