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Embankment dams come in two types: the earth-filled dam (also called an earthen dam or terrain dam) made of compacted earth, and the rock-filled dam. A cross-section of an embankment dam shows a shape like a bank, or hill.
The construction of the canal head works began in March 1948, and was completed a year later. Designed as a zoned earth embankment structure with an impervious central core, a semi-pervious layer on either side of the core, and a layer of rock fill. The semi-pervious layer was built in 1 foot (0.30 m) layers and compacted.
Meadow Grounds Dam is categorized by the Pennsylvania Department of Environmental Protection (PADEP) as a High Hazard (Category 1), size class B structure. The drainage area of the dam’s watershed is 3.2 square miles on Roaring Run. The zoned earth embankment creates a 204-acre reservoir and at normal pool stores 3130 (acre-feet) of water.
The following table lists the largest man-made dams by volume of fill/structure. By general definition, a dam is a barrier that impounds water or underground streams, hence tailings dams are relegated to a separate list.
This is the category for embankment dams that are filled with earthen material such as soil. Pages in category "Earth-filled dams" The following 200 pages are in this category, out of approximately 259 total.
The New Waddell Dam is 300 ft (91 m) high from the riverbed and 440 feet (130 m) high from its bedrock foundation. It is a zoned earth-fill type and is 4,700 ft (1,433 m) long; containing 16,200,000 cu yd (12,385,789 m 3) of material. The dam has a crest width of 35 feet (11 m) and a base width of 1,514 feet (461 m). [4]
The average base width of the embankment is variously 1,800 m, [10] 800 m from Google Earth and 660 m. [7] So whereas one report [ 10 ] gives an embankment volume of 720×10 6 m 3 , calculations based on the width of the embankment base from these three sources give embankment volumes of 660, 290 and 240×10 6 m 3 respectively.
Embankment, earth/rock-fill United States: Stanislaus River: 1979 W.A.C. Bennett Dam: 190.5 m (625 ft) Embankment, earth-fill Canada: Peace River: 1968 Sogamoso Dam: 190 m (620 ft) Embankment, concrete-face rock-fill Colombia: Sogamoso: 2014 Arkun Dam: 188 m (617 ft) Embankment, earth-fill Turkey: Çoruh River: 2014 Miel 1 Dam: 188 m (617 ft)