Originally forming part of the Great Sanders Estate, the name is derived from the fact that there was an 18th-century black powder (gunpowder) manufacturer on the site. The mill used to grind the powder was driven by water from a mill pond formed by a dam across the original stream. The mill was the scene of three explosions, before its eventual closure, in which several workers died (one of whom, according to a rather ghoulish contemporary newspaper report, was blown into five, named, pieces). One of the original pair of mill stones may be seen, half buried, at the eastern end of the dam. Prior to its use as a powdermill the site held an iron foundry which pre dated the attempt by the Spanish Armada to invade Britain.
Under the direction of Sydney Little, "The Concrete King", the reservoir was constructed between 1929 and 1932 [citation needed].
The dam is of earth with a concrete slab facing and a puddle clay core and is 370 yards (340m) long with a height of 40 feet (12m). The construction of the dam required 170 men working for nearly 40 months and, due to unforeseen difficulties caused by underlying and extruding sandstone strata, the estimated construction costs were exceeded by a considerable margin. A number of the workers employed on the site were of Welsh origin and several married local girls and settled in the area giving rise to a fair proportion of Welsh surnames in the Sedlescombe community.
Filling of the reservoir began on 5 November 1931 and was complete in March 1932.
Fishing
Once the reservoir was completed in March 1932, the Hastings Corporation (the original owners) were approached for the lease of the fishing rights. A seven-year lease was granted to the Hastings Fly Fisher's Club for a fee of £5 per annum and with the undertaking to stock the waters with two thousand fish per season. Since then the lease and the number of fish stocked has risen by a considerable margin [citation needed].
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over one hundred lives. It was referred to as Hoover Dam after President Herbert Hoover in bills passed by Congress during its construction; it was named Boulder Dam by the Roosevelt administration. The Hoover Dam name was restored by Congress in 1947.
Hume Dam, formerly the Hume Weir, is a major dam across the Murray River downstream of its junction with the Mitta River in the Riverina region of New South Wales, Australia. The dam's purpose includes flood mitigation, hydro-power, irrigation, water supply and conservation. The impounded reservoir is called Lake Hume, formerly the Hume Reservoir. It is a gated concrete gravity dam with four earth embankments and twenty-nine vertical undershot gated concrete overflow spillways.
The River Loxley is a river in the City of Sheffield, South Yorkshire, England. Its source is a series of streams which rise some 10 miles (16 km) to the north-west of Sheffield on Bradfield Moors, flowing through Bradfield Dale to converge at Low Bradfield. It flows easterly through Damflask Reservoir and is joined by Storrs Brook at Storrs, near Stannington, and the River Rivelin at Malin Bridge, before flowing into the River Don at Owlerton, in Hillsborough. The Loxley valley provided the initial course of the Great Sheffield Flood, which happened after the Dale Dyke Dam collapsed shortly before its completion in March 1864.
Flaming Gorge Reservoir is the largest reservoir in Wyoming, on the Green River, impounded behind the Flaming Gorge Dam. Construction on the dam began in 1958 and was completed in 1964. The reservoir stores 3,788,900 acre-feet (4.6735×109 m3) of water when measured at an elevation of 6,040 feet (1,841 m) above sea-level (maximum).
Oroville Dam is an earthfill embankment dam on the Feather River east of the city of Oroville, California, in the Sierra Nevada foothills east of the Sacramento Valley. At 770 feet (235 m) high, it is the tallest dam in the U.S. and serves mainly for water supply, hydroelectricity generation, and flood control. The dam impounds Lake Oroville, the second-largest reservoir in California, capable of storing more than 3.5 million acre-feet (1.1×10^12 US gal; 4.3×109 m3).
Lake Havasu is a large reservoir formed by Parker Dam on the Colorado River, on the border between San Bernardino County, California and Mohave County, Arizona, Arizona. Lake Havasu City sits on the Arizona (eastern) side of the lake with its Californian counterpart of Havasu Lake directly across the lake. The reservoir has an available capacity of 619,400 acre-feet (764,000,000 m3). The concrete arch dam was built by the United States Bureau of Reclamation between 1934 and 1938. The lake's primary purpose is to store water for pumping into two aqueducts. Prior to the dam construction, the area was home to the Mojave people. The lake was named after the Mojave word for blue. In the early 19th century, it was frequented by beaver trappers. Spaniards also began to mine the areas along the river.
Dworshak Dam is a concrete gravity dam in the western United States, on the North Fork of the Clearwater River in north central Idaho. In Clearwater County, the dam is located approximately four miles (6 km) northwest of Orofino and impounds the Dworshak Reservoir for flood control and hydroelectricity generation.
The Somerset Dam is a mass concrete gravity dam with a gated spillway across the Stanley River in Queensland, Australia. It is within the locality of Somerset Dam in the Somerset Region in South East Queensland. The main purpose of the dam is the supply of potable water for the Brisbane, Gold Coast and Logan City regions. Additionally, the dam provides for flood mitigation, recreation and for the generation of hydroelectricity. The impounded reservoir is called Lake Somerset.
Brede is a village and civil parish in the Rother district of East Sussex, England. It is located eight miles (13 km) north of Hastings and four miles (6 km) west of Rye.
Flaming Gorge Dam is a concrete thin-arch dam on the Green River, a major tributary of the Colorado River, in northern Utah in the United States. Flaming Gorge Dam forms the Flaming Gorge Reservoir, which extends 91 miles (146 km) into southern Wyoming, submerging four distinct gorges of the Green River. The dam is a major component of the Colorado River Storage Project, which stores and distributes upper Colorado River Basin water.
Douglas Dam is a hydroelectric dam on the French Broad River in Sevier County, Tennessee, in the southeastern United States. The dam is operated by the Tennessee Valley Authority (TVA), which built the dam in record time in the early 1940s to meet emergency energy demands at the height of World War II. Douglas Dam is a straight reinforced concrete gravity-type dam 1705 feet long and 202 feet high, impounding the 28,420-acre (11,500 ha) Douglas Lake. The dam was named for Douglas Bluff, a cliff overlooking the dam site prior to construction.
The Canning Dam and reservoir provide a major fresh water resource for the city of Perth, Western Australia. The dam is situated on the Darling Scarp and is an impoundment of the Canning River. It is noted for its innovative structural and hydraulic design that was considered to be at the forefront of concrete gravity dam design at the time of construction. The Canning Dam was Perth's primary water supply up until the 1960s when other sources of fresh water were tapped. Currently the dam supplies approximately 20 percent of Perth's fresh water. Inflow into the Canning Reservoir is estimated to be 22 gigalitres and has a storage capacity of 90.352 gigalitres.
Hanningfield Reservoir is a large 25,500-million-litre (900,000,000 cu ft) pumped storage reservoir located between Billericay and Chelmsford in Essex. It has a surface area of 352 hectares and is owned and operated by Essex and Suffolk Water.
Puddingstone Reservoir is a 250-acre (1 km²) artificial lake northeast of the interchange between the Orange Freeway and the San Bernardino Freeway in Los Angeles County, California, United States. Activities include fishing, swimming, sailing, wind surfing, and camping.
The Victoria Dam is a water supply dam providing water for the city of Perth, Western Australia. It is situated on the Darling Scarp near Lesmurdie, and crosses Munday Brook. Two dams have stood at the present site; the older dam was the first permanent water supply for the colony and also the first dam in Western Australia. It stood for almost 100 years before being replaced with the current dam.
Arrowrock Dam is a concrete arch dam in the western United States, on the Boise River in southwestern Idaho, east of Boise. Opened 107 years ago in 1915, it is located on the border of Boise and Elmore counties, upstream of the Lucky Peak Dam and reservoir. The spillway elevation for Arrowrock is 3,219 feet (981 m) above sea level and its primary purpose is to provide irrigation water for agriculture.
O.C. Fisher Reservoir is an artificial lake located west of the city of San Angelo, Texas. With the financial support of the Upper Colorado River Authority, construction on the dam to form the reservoir was begun by the United States Army Corps of Engineers in 1947 and the lake was officially impounded in 1952. Originally named San Angelo Lake, the reservoir was renamed in 1975 for local U.S. Congressman O.C. Fisher, to honor his 23 years of service in the United States Congress.
J. Strom Thurmond Dam, also known in Georgia as Clarks Hill Dam, is a concrete-gravity and embankment dam located 22 miles (35 km) north of Augusta, Georgia on the Savannah River at the border of South Carolina and Georgia, creating Lake Strom Thurmond. U.S. Route 221 cross it. The dam was built by the U.S. Army Corps of Engineers between 1946 and 1954 for the purposes of flood control, hydroelectricity and downstream navigation. The concrete structure of the dam spans 1,096 feet (334 m) and rises 204 feet (62 m) above the riverbed, housing a power plant with an installed 380 MW capacity. The Dam has prevented over $3.1 million in estimated flood damage annually and also provides recreation, water quality, water supply, along with fish and wildlife management.
New Don Pedro Dam, often known simply as Don Pedro Dam, is an earthen embankment dam across the Tuolumne River, about 2 miles (3.2 km) northeast of La Grange, in Tuolumne County, California. The dam was completed in 1971, after four years of construction, to replace the 1924 concrete-arch Don Pedro Dam.
Santiago Dam is an earth/rockfill dam across Santiago Creek in Orange County, in the U.S. state of California, forming Irvine Lake. The 136-foot (41 m) earth dam and its reservoir serve for flood control and recreational purposes. It lies upstream (southeast) from the city of Orange and north of Irvine. Irvine Lake is the largest body of fresh water entirely in Orange County.
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