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Approximately 2% of Ireland's water resources are abstracted for human use. Unaccounted-for water constitutes 41% of total water supply, followed by supply for domestic demand (39%), and non-domestic demand (20%). [18] The River Lee is a source of water supply for the city of Cork. 80% of the Irish population is served by centralised water ...
It enters the water mostly via diffusion at the water-air interface. Oxygen's solubility in water decreases as water temperature increases. Fast, turbulent streams expose more of the water's surface area to the air and tend to have low temperatures and thus more oxygen than slow, backwaters.
Its long-term average flow rate of is 89.1 cubic metres per second (m 3 /s) [3] The Blackwater is notable for being one of the best salmon fishing rivers in the country. [4] Like many Irish rivers, salmon stocks declined in recent years, but the Irish government banned commercial netting of salmon off the coast of Ireland in November 2006. [5]
In addition, Ireland has many thousands of kilometres of fish-bearing rivers and lakes. These fresh water habitats support native fish species including char, eel, brown trout, perch, pike, pollan, and roach. [34] The North Atlantic Drift warms the waters off the coast, increasing the number of warm water fish species caught offshore. [35]
The National Water Quality Inventory Report to Congress is a general report on water quality, providing overall information about the number of miles of streams and rivers and their aggregate condition. [65] The CWA requires states to adopt standards for each of the possible designated uses that they assign to their waters.
Table 2 shows the largest rivers in Ireland (by mean flow) in cubic metres per second. Some of the larger or better-known rivers of Ireland are shown on this map (large version). The longest river in Ireland is the River Shannon, at 360.5 kilometres (224.0 mi). The river develops into three lakes along its course, Lough Allen, Lough Ree and ...
In 1861 Parliament passed the Dublin Waterworks Act creating a project to dam the River Vartry in Roundwood to form the Vartry Reservoir.The dam, accompanying waterworks, and a pipe tunnel through a part of the Wicklow Mountains, were completed in 1865, providing the first clean mass source of water for Dublin, replacing water obtained from the canals.
Source(s): various - but all of the above can be had from one article, "Surface Water Quality at Dublin Airport" by Victoria Carroll, Air / Water Quality Manager, Dublin Airport, in "Your Airport", Issue 2, 2006, published at Dublin Airport, Ireland. 109.188.21.131 13:51, 23 April 2010 (UTC)