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Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved streets, car parks ...
e. Stormwater, also written storm water, is water that originates from precipitation ( storm ), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil ( infiltrate) and become groundwater, be stored on depressed land surface in ponds and puddles, evaporate back into the atmosphere, or contribute to surface runoff.
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, [ 1] made up of a succession of elevated features, such as ridges and hills.
The whole of Hungary lies within the Danube drainage basin. The total length of all the irrigation systems and inland waterways in the country is about 26,000 km (16,000 mi). The annual water balance of the country shows a surplus. Yearly about 100 km 3 (3.5 × 10 12 cu ft) of water leaves the country towards the Black Sea.
The Zuiderzee Works ( Dutch: Zuiderzeewerken) is a system of dams and dikes, land reclamation and water drainage work, which was the largest hydraulic engineering project undertaken by the Netherlands during the twentieth century. The project involved the damming of the Zuiderzee, a large, shallow inlet of the North Sea, and the reclamation of ...
Pollution. Surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow ). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil.
A tributary, [1] or an affluent, [2] is a stream or river that flows into a larger stream ( main stem or "parent" ), river, or a lake. [3] A tributary does not flow directly into a sea or ocean. [4] Tributaries, and the main stem river into which they flow, drain the surrounding drainage basin of its surface water and groundwater, leading the ...
A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami -like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. It is measured as the rise in water level above the normal tidal level, and does not include waves. [ 1]