Tag: California
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US farmers look to water reuse, as reservoir level drops
Water reuse in agriculture is gaining ground in the USA as farmers and water technologists seek to overcome the domestic water supply shortages caused by drought. The latest figures from the US Bureau of Reclamation show that water levels at Lake Mead, Nevada, the largest reservoir by capacity in the USA, hit a record low…
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Southern California study identifies brine-concentrate issues
The Southern California Regional Brine-Concentrate Management Study is a collaboration between the US Bureau of Reclamation and 14 local and state agency partners, who together form the Brine Executive Management Team. The team identified the management of brine-concentrate from desalination and other water treatment processes as significant in addressing southern California’s water supply reliability. As…
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Reclaiming the grass at Pebble Beach golf course
Tertiary treatment of wastewater has had a technology upgrade to improve play at Pebble Beach golf course, which recently hosted the US Open Championship. The problem was high sodium and total dissolved solids concentrations, and difficulties with reusing wastewater during low flows. Microfiltration followed by RO was selected to meet the water quality criteria. The…
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Carlsbad project plan for green SWRO
The largest and most advanced seawater desalination project under development in the USA today is the 189,000 m³/d plant in Carlsbad in southern California. This project is collocated with the Encina coastal power generation station, which currently uses seawater for once-through cooling. The Carlsbad seawater desalination project is developed as a public-private partnership between Poseidon…
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San Francisco study proves impaired source still feasible
The Marin Municipal Water District (MMWD), near San Francisco, USA, has been exploring seawater desalination to provide a drought-proof supplement to its over-extended water supply. Desalination of San Francisco Bay water presents challenges for pretreatment due to the frequent changes in water quality from the ebb and flow of the tides and winds, seasonal changes…
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Fresh blow to planned Marin plant
Plans for a desalination plant in Marin, California, suffered a further setback this week, with the publication of an official report suggesting the district has enough water to meet its needs until 2040.
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Toray acquires TCK
Toray Industries’ US membrane arm has bought TCK Membrane America - a manufacturer of reverse osmosis /nanofiltration (RO/NF) membranes in Anaheim, California.
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Carlsbad city ups its supply from desalination on its doorstep
The city council of Carlsbad, California has agreed to sign a 30-year contract with the County Water Authority to up its annual supply from the giant Carlsbad desalination plant which began production in December 2015.
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City leaders vote to team up with power firm in desalination plan
California’s San Luis Obispo County board of supervisors has voted to partner with energy firm, Pacific Gas & Electric (PG&E), to develop one of the company’s desalination plants to supply the Five Cities and Avila Beach areas.
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Californians back water recycling
Californians are eager for long-term solutions to the state’s drought and are overwhelmingly supportive of using treated wastewater, or recycled water, in their everyday lives, according to a statewide survey by water technology firm, Xylem.