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Average water consumption and cost of supply by seawater desalination at US$1 per cubic metre (±50%) Area Consumption Litre/person/day Desalinated Water Cost US$/person/day US: 378: 0.38 Europe: 189: 0.19 Africa: 57: 0.06 UN recommended minimum: 49: 0.05
Desalination, which produces usable water from saline water, has a higher LCW than processing groundwater or surface water. A 2020 study found that advances in decarbonization would reduce the levelized cost of water produced via desalination from €2.4 per cubic meter in 2015 (US$2.84) to €1.05 per cubic meter in 2050 (US$1.24). [2]
In order to overcome water scarcity, substantial investments have been undertaken in seawater desalination, water distribution, sewerage and wastewater treatment. Today about 50% of drinking water comes from desalination, 40% from the mining of non-renewable groundwater and only 10% from surface water in the mountainous southwest of the country.
David Feldman, director of Water UCI at UC Irvine, said desalination could eventually provide "somewhere between 10% and half" of California's potable water — with one caveat.
A desalination plant proposed in Corpus Christi has been approved for millions of dollars in state loans for its development. Late Tuesday morning, the Texas Water Development Board gave the nod ...
The cost of water from the plant will be $100 to $200 more per acre-foot than recycled water (approximately 0.045 cents per gallon), $1,000 to $1,100 more than reservoir water (approx. 0.32 cents per gallon), but $100 to $200 less than importing water from outside the county. [42] As of April 2015, San Diego County imported 90% of its water. [13]
Once unthinkable, given Israel's history of drought and lack of available fresh water resources, with desalination Israel can now produce a surplus of fresh water. [56] By 2014, Israel's desalination programs provided roughly 35% of Israel's drinking water, about 50% in 2015, and it is expected to supply 70% by 2050. [57]
The total evaporation in all the stages is up to approximately 85% of the water flowing through the system, depending on the range of temperatures used. With increasing temperature there are growing difficulties of scale formation and corrosion. 110-120 °C appears to be a maximum, although scale avoidance may require temperatures below 70 °C.