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A catchwater drain is a land drain, a ditch cut across the fall of the land, typically just above the level of low-lying, level ground such as The Fens of eastern England, where some land, tens of kilometres from the sea is at about sea level. Its purpose is to gather water draining from the higher, sloping ground before it reaches the flat ...
Catchwater drains may take the form of concrete canals, such as in Hong Kong, where there are many.Alternatively, they may take the form of a large concrete sheet, smothering a hill, and preventing rainfall from entering the rock strata, with a smaller channeling system for transport of the water to the storage tank - this latter system is in operation in Gibraltar.
Mound systems are an alternative to the traditional rural septic system drain field. They are used in areas where septic systems are prone to failure from extremely permeable or impermeable soils, soil with the shallow cover over porous bedrock, and terrain that features a high water table.
The Holland Fen pumping station, which pumps water from Clay Dike into the South Forty-Foot Drain. The South Forty-Foot Drain, also known as the Black Sluice Navigation, is the main channel for the land-drainage of the Black Sluice Level in the Lincolnshire Fens.
The principal engineering works were the West Fen Catchwater Drain, a 13.4-mile (21.6 km) channel around the northern edge of the West Fen; the East Fen Catchwater Drain, a 9.4-mile (15.1 km) channel around the northern edge of the East Fen; the Stonebridge Drain, a 4.2-mile (6.8 km) channel which connected Cherry Corner to Cowbridge; upgrading ...
Apart from the spring, most of the water of the river is collected by the Car Dyke, which, near Bourne, is arranged to act as a catchwater drain, gathering the surface water of the upland and feeding it via the Bourne Eau and River Glen to the sea, without its entering The Fens.
General Hospital just bid goodbye to a major character.. During the Friday, Dec. 13 episode, fan-favorite Dex Heller, played by Evan Hofer, met his demise. Dex had been expected to make a full ...
Stormwater harvesting or stormwater reuse is the collection, accumulation, treatment or purification, and storage of stormwater for its eventual reuse. While rainwater harvesting collects precipitation primarily from rooftops, stormwater harvesting deals with collection of runoff from creeks, gullies, ephemeral streams and underground conveyance.