Long Beach study contemplates desalination test on beach
Posted by: Aqua Blog Maven on November 27, 2008 at 8:23 amFrom Long Beach Gazette:
A study has begun to see whether it makes sense to place a test desalination plant on the beach below the Long Beach Museum of Art.
Last Thursday, the Water Commission voted 4-1 to contract with CH2M Hill for the preliminary study and fatal flaw analysis reviewing the possibility of placing a prototype plant on the beach and connecting it to the existing under-ocean floor seawater intake and discharge system. That system was installed at the beginning of the year, and so far has proven effective.
Water Department General Manager Kevin Wattier stressed that only a study had been approved last Thursday. That study will have to address potential problems ranging from how to get power to the plant to community opinion to the ability to get permits from government agencies, he said.
But even the concept has drawn opposition. “Were you here when they were installing the intake system?” asked Ron Nelson, executive director of the Long Beach Museum of Art. “It was horrendous. You couldn’t eat lunch outside. We lost a ton of revenue during that period.
Read more from the Long Beach Gazette by clicking here.
Ultimate solution? Desalination may finally be coming of age in a thirsty West. Take it with a grain of salt.
Posted by: Aqua Blog Maven on November 22, 2008 at 5:53 amFrom the High Country News:
CARLSBAD, CALIFORNIA One after another, city councilmen, legislators, farmers, business leaders, tourism promoters and water managers took their turn at the dais and spoke. Everybody agreed: San Diego County faces a water crisis, and desalinated ocean water should be part of the solution.
With drought and climate change a reality and imported water supplies threatened, residents need a reliable local water source. Conservation is important, they all said, but it can’t do the job alone. For 10 hours last November, the talk went on. But when the hearing was over, the decision was left in the hands of the California Coastal Commission.
The group has made enemies of developers for years and built a reputation as one of the toughest environmental bodies in the country. But when it voted 9-3 to tentatively approve the largest desalination plant in the Western Hemisphere, it did so over the objections of at …
To read the rest of this article, you have to have a subscription to High Country News. It’s a good publication, and if you’re reading Aquafornia, you probably would enjoy HCN. But it’s up to you, of course. If you want to find out more, click here.
Long Beach desalination engineers awarded for technical merit; Technical findings and research of LB alternative ocean intake system recognized by industry peers
Posted by: Aqua Blog Maven on November 19, 2008 at 3:34 pmFrom the Long Beach Water Department:
Four of the Long Beach Water Department’s top engineers have been recoginzed for technical merit in presenting research findings for the Long Beach Desalination Project’s Under Ocean Floor Intake and Discharge System, displayed at the 2008 Water Quality Technology Conference and Exposition in Cincinnati, Ohio. The conference, hosted by the American Water Works Association (AWWA), keeps thousands of water quality professionals from across the globe up-to-date with the latest research, regulations, and technological advances for keeping drinking water safe. Long Beach Water General Manager, Kevin Wattier P.E., Assistant General Manager, Dr. Robert Cheng P.E., Director of Water Treatment, Tai Tseng P.E. and Research Assistant, Jason Allen P.E., authored the technical poster that received a second place award for it’s relevance and innovation in advancing water treatment and quality around the world.
The Long Beach Desalination Project is the largest seawater desalination research and development project in the country. The United States Department of Interior, Bureau of Reclamation is a major funding partner of the project. Among the research activities currently underway is operation of the Under Ocean Floor Intake and Discharge Demonstration System, which was constructed earlier this year to demonstrate a cost-effective, environmentally responsive alternative to the more traditional practice of open ocean intake. Research findings presented at the conference confirm operations at the Under Ocean Floor Intake and Discharge System consistent with water production goals.
For more information on the Long Beach Desalination Project, including pictures, video and other links, click here.
The Long Beach Water Department is an urban, southern California retail water supply agency and the standard in water conservation and environmental stewardship.
Ryan J. Alsop
Director of Government & Public Affairs
Long Beach Water
Brennan S. Thomas Administration Building
California American Water begins testing of Moss Landing desalination pilot plant
Posted by: Aqua Blog Maven on November 18, 2008 at 5:47 amFrom Market Watch, this press release:
California American Water announced today that the official, one-year testing period recently began at its desalination pilot plant located on the site of the Moss Landing power generation station in northern Monterey County. A renewed license agreement was signed in August with the owner of the power plant, Dynegy, Inc., to operate the pilot plant, which is analyzing water quality and technical operations for final design of a full-scale, 11 million gallon per day desalination plant that California American Water proposes to construct at that site. The proposed full-scale desalination plant is intended to replace water being pumped from the Carmel River and Seaside Groundwater Basin, in response to legal directives to sharply reduce use of those existing resources due to environmental and potential seawater intrusion concerns, respectively.
After overcoming a series of permitting delays, California American Water began the desalination pilot plant operation earlier this summer, more than three years after its initial anticipated start date.
“With all of the pressure we’re under to reduce pumping from the Carmel River and Seaside Basin, the importance of this start-up can’t be overstated,” said General Manager Craig Anthony.
Read more from Market Watch by clicking here.
Santa Cruz desalination pilot plant meeting expectations
Posted by: Aqua Blog Maven on November 9, 2008 at 6:12 amFrom the Santa Cruz Sentinel:
Six months into the seawater desalination pilot test program, the Santa Cruz Water Department and Soquel Creek Water District opened the doors to the facility and allowed about 100 curious residents a glimpse Saturday. Visitors reviewed information about desalination technology and water supply issues within the community, toured the facility and learned about the pilot test project.
“Everything has been going as we expected them to turn out,” technical adviser Todd Reynolds said. “We’re hoping for more challenging source waters to treat. Santa Cruz waters have been, typically, very clean.”
The Santa Cruz Water Department and Soquel Creek Water District are investigating the feasibility of using desalinated water as a supplemental water source during times of drought. Four different pre-treatment technologies along with reverse osmosis desalination technology are being tested for at least a year at the facility, which is near the Seymour Marine Discovery Center at the end of Delaware Avenue.
The results of the pilot plant operations will be used to define the design requirements and costs of a full-scale desalination facility, which may be built in 2015.
Read more from the Santa Cruz Sentinel by clicking here.
Army Corps will further explore the possibility of running pipes below Cambria beach near Santa Rosa Creek for desalination plant; environmental group sues to stop work
Posted by: Aqua Blog Maven on November 4, 2008 at 6:21 amFrom the San Luis Obispo Tribune:
The Army Corps of Engineers will oversee follow-up tests to determine if pipes that would link a proposed desalination plant to the ocean could be put under a Cambria beach. The Cambria Community Services District wants to build the plant so it can lift a water emergency declared in 2001, which put a stop to all but a handful of new water hookups until a new water source is secured.
The district wanted to do tests on the beach at the mouth of San Simeon Creek, not far from a potential desalination plant site on district land east of the San Simeon State Park campground, about two miles north of Cambria. But the California Coastal Commission turned down the district’s proposal in December, arguing that the district did not show that there was no other alternative to using the environmentally sensitive area, home to snowy plovers.
The district then commissioned tests near the mouth of Santa Rosa Creek, which flows into the ocean at the south end of Moonstone Beach, just north of Shamel County Park. Those tests used sound and radar to detect three ancient streambeds under the beach west of the park and the current creek mouth.
More from the San Luis Obispo Tribune by clicking here.
In a related story from the San Luis Obispo Tribune, the environmental group LandWatch is suing to stop work on the desalination plant:
A lawsuit filed in San Luis Obispo Superior Court last week asks that a judge order a stop to all preliminary work, including testing, on Cambria desalination plant plans.
LandWatch San Luis Obispo County argues in its Oct. 27 filing that there are flaws in the desalination portion of an environmental evaluation of a Water Master Plan approved by the Cambria Community Services District board on Sept. 25.
“The (district) adopted findings that construction and operation of the un-designed and un-sited desal facility would have no significant effects on the environment but did not have any data, information or analyses to back the findings up,” said Cambria attorney Cynthia Hawley, a former district director. “The (environmental impact report) ignores underwater marine plants, animals and habitats,” she said.
Read more from the San Luis Obispo Tribune by clicking here.
San Diego: No more desal on tap
Posted by: Aqua Blog Maven on October 29, 2008 at 6:37 amFrom the Voice of San Diego:
When Mayor Jerry Sanders talks about San Diego’s water-supply future, he occasionally drops in a plug for desalination. But Sanders, who has endorsed the proposed seawater desalination plant in Carlsbad, hasn’t been referencing that effort. He’s talked — only generally, so far — about the possibility of San Diego turning to de-salted seawater as a new drinking water supply for the city.
In a recent interview, Sanders said the city would be “somewhat excited about another desal plant.” He’s also tossed it out as a potential alternative to a contentious City Council effort to recycle sewage as a drinking water source.
The concept has also popped up on the campaign trail. District 7 council candidates Marti Emerald and April Boling both endorsed the technology during a Tuesday debate on KPBS. “We ought to think about desal up and down the California coast,” Emerald said.
But if the Carlsbad plant, which has cleared permitting hurdles, manages to similarly overcome environmental groups’ legal challenges, the city of San Diego does not appear likely to follow suit any time soon — despite Sanders’ references. Nor do many other local water agencies.
Read more from the Voice of San Diego by clicking here.
Watershed director describes the good and bad in southland
Posted by: Aqua Blog Maven on October 26, 2008 at 6:24 amFrom the Chico Enterprise Record:
Conner Everts has been working in water issues for 30 years and has seen a lot of the good and the bad. Everts is executive director of the Southern California Watershed Alliance and co-chair of the Desal Response Group. He shared his perspective Thursday night in Chico as the third speaker of the Code Blue Water Series hosted by the Butte Environmental Council.
Everts said the state is about to go through severe cutbacks in water, and some areas will be better off due to efforts that have already been made.
The city of Long Beach, for example, has had an aggressive water-saving campaign including posting photos of water waste on its Web site. Long Beach also launched a water waste hotline Friday that asks citizens to report overwatering of landscaping.
Everts said there have been many other steps in the right direction, including widespread installation of low-flow toilets, cleaning up dairies and installing water meters. Cistern projects to collect rainwater are being installed at schools for summer irrigation, Everts said. But there is a still a lot of work to be done.
Everts also said that while desalination may have its applications, for water supply, “it is not a simple solution”. Read more from the Chico Enterprise-Record by clicking here.
Report shows global water crisis promotes desalination boom; International Desalination Association releases latest statistics
Posted by: Aqua Blog Maven on October 18, 2008 at 6:18 amFrom Water World:
Worldwide growth in the use of desalination to produce a reliable supply of drinking water rose sharply over the past year indicating that desalination technologies are being used more than ever to address the global thirst for new sources of potable water, according to new statistics released today by the International Desalination Association (IDA).
According to the 2008-2009 edition of IDA’s Desalination Yearbook, published by Global Water Intelligence, the amount of global contracted (planned) capacity grew by 43 percent in 2007, or 6.8 million cubic meters per day (m³/d), up from 4.7 million m³/d in total contracted capacity in 2006. This increase of 2.1 million m³/d is enough to supply potable water to more than 50 million people.
IDA reports that this growth trend has continued in 2008. During the first six months of this year alone, newly contracted capacity has increased by an additional 39%.
As of June 30, 2008, the cumulative contracted capacity of desalination plants around the world stood at 62.8 million m³/d. Sixty-two percent of the newly contracted capacity is seawater desalination, with brackish water desalination representing another 12.2 million m³/d. Wastewater applications of desalination technologies for water reuse is growing fast, currently representing 5 percent of total capacity.
More from Water World by clicking here.
Yuma desalting plant set to restart on Colorado River
Posted by: Aqua Blog Maven on October 11, 2008 at 7:19 amFrom the Arizona Republic:
Arizona, Nevada and California are nearing an agreement to restart a long-dormant water-desalination plant in Yuma, further stretching supplies on the Colorado River. The states would share the cost of running the plant for one year and divide nearly 10 billion gallons of desalted water. If the pilot project is successful, the plant could resume operation for the first time in 15 years.
California would benefit most immediately from the new water source as drought and a federal endangered-species lawsuit have reduced supplies, forcing cities to ration their use. But Arizona and Nevada, too, see desalination as a key component in augmenting water resources in the future.
A compact among the seven Colorado River states regulates how much water is allocated from the river.
“This is a forward-thinking concept,” said Susan Bitter Smith, board president of the Central Arizona Project, which oversees part of Arizona’s Colorado River allotment. “In the long term, for us it does create an alternative source of water. And we already have a substantial taxpayer investment in a facility that’s not being used.”
Read more from the Arizona Republic by clicking here.
A cleaner way to get drinking water from seas? Scientist says using ships would allow desalination away from coastlines
Posted by: Aqua Blog Maven on October 9, 2008 at 7:44 amFrom MSNBC:
David Kreamer’s vision is to return old ships to the seas where they belong. But he’d like to see them fulfill a new purpose: turning seawater into drinking water through desalination facilities installed aboard. According to Kreamer, a geoscientist at the University of Nevada, Las Vegas, hundreds of mothballed military and private ships could be well adapted as mobile desalination plants.
Such ships could serve coastal communities, where water is badly needed, Kreamer said. An estimated half of the world’s residents live within about 100 miles of a coast. The ships could cruise away to avoid a hurricane, if need be, returning afterward to supply a city lacking water and power.
Kreamer, who will make the case for portable desalination plants onboard old ships at a meeting of the Geological Society of America in Houston, Texas, said that mobile desalination facilities avoid many of the environmental problems that hinder their development on land.
Read more from MSNBC by clicking here.
USBR to hold public meeting on another Yuma Desalting Plant pilot run
Posted by: Aqua Blog Maven on October 7, 2008 at 7:43 amFrom the Yuma Sun, news that the Bureau of Reclamation will be hosting a meeting from from 6 to 8 p.m. Wednesday [presumably, tomorrow] in the Cocopah Conference Room at the Quartermaster Depot State Historic Park, 201 N. 4th Avenue [presumably, Yuma] to discuss another pilot run of the Yuma Desalting Plant:
Reclamation proposes to operate the plant for up to one year at up to one-third capacity, likely beginning in mid-2009, said Robert Walsh, USBR spokesman in Boulder City, Nev. The pilot run would be in partnership with water entities in the three lower Colorado River Basin states of Arizona, Neveda and California.
This extended pilot operation is proposed to obtain data that can only be adequately evaluated under actual longer-term operating conditions, Walsh said. Other goals are to identify and initiate technology improvements in the plant’s existing desalination process; to refine and validate current cost estimates for operation, maintenance and management of the plant; and to acquire updated process-related effluent and emissions data over an extended period of time for analysis of potential environmental consequences associated with operation of the plant as intended by Title I of the Colorado River Basin Salinity Control Act.
Reclamation will also be accepting written comments until October 16th. Click here for more information from the Yuma Sun.
UNLV scientist: Use war ships to wring salt out of sea water; Using such ships could free up more Lake Mead water for Las Vegas
Posted by: Aqua Blog Maven on October 5, 2008 at 6:04 amFrom the Las Vegas Sun:
As drought keeps lowering Lake Mead, UNLV geoscientist David Kreamer wondered how Las Vegas could find other sources of drinking water. And his ideas led him out to sea.
During a scientific meeting in Houston, Texas, Kreamer plans to reveal today how to wring the salt out of sea water by an unlikely means — mobilizing warships now in mothballs. Kreamer said that his idea is not a new one. U.S. Navy aircraft carriers, for example, have had to desalinate ocean water to create fresh water for keeping large crews hydrated while at sea for six months or more. Instead of leaving such ships in dry dock or cluttering working harbors with mothballed vessels, they are ideal desalinization platforms, Kreamer said,
The U.S. Defense Department alone has a fairly large mothballed fleet, including inactive Navy vessels and the U.S. Merchant Marine reserve fleet. Kreamer’s study examines recycling decommissioned Navy ships, especially old aircraft carriers, to become floating desalinization plants.
Read more from the Las Vegas Sun by clicking here.
Countywide poll uncovers widespread concern over Orange County’s water supply; 70% of county voters support seawater desalination
Posted by: Aqua Blog Maven on October 2, 2008 at 5:52 amFrom Market Watch:
Today the Orange County Business Council and the Los Angeles/Orange County Building Trades Council released the results of a jointly sponsored public opinion survey measuring Orange County residents’ attitudes toward the county’s water supply. The poll of registered voters uncovered widespread concern about water reliability and revealed broad support for tapping the Pacific Ocean as one way to address the county and region’s water shortages.
The countywide telephone survey conducted the week of September 22nd demonstrated the public is attune to Orange County’s water supply crisis as county officials scramble to prepare for additional cuts to the county’s imported water supply (Click here to view the Memorandum: http://media.marketwire.com/attachments/200810/471678_OCBC-OCBTCWATERPOLLMEMO.doc).
Some of the key findings from the survey include:
– 87% of respondents believe that Orange County needs new sources of
fresh water.
– 72% of respondents believe that seawater desalination is a good idea.
– 71% believe that local water agencies should add desalinated seawater
to their overall water portfolio.
– 61% said would pay a few dollars more on their monthly water bill for
high quality desalinated water that is drought-proof and reliable.“Orange County residents overwhelmingly support innovative solutions to improve water reliability,” said Lucy Dunn, President of the Orange County Business Council. “The state has already approved one seawater desalination plant for San Diego County; now Orange County must also ensure a local, drought-proof water supply for our residents and businesses. We urge state and local officials to move quickly and approve the proposed Desalination Facility in Huntington Beach,” she said.
Read the rest of this story from Market Watch by clicking here.
Purifying Water with Nano-Particles: A company says 3-D nanoparticles boost the efficiency of water purification
Posted by: Aqua Blog Maven on September 29, 2008 at 8:44 amFrom the MIT Technology Review:
Adding nanoparticles to a water purifying membrane can double its efficiency, according to a startup company based in Los Angeles. With global water usage on the increase and fresh water in limited supply, the company, NanoH2O, says its novel approach could make such purification technology a viable solution to a growing problem.
Reverse osmosis–feeding water through a semipermeable membrane to filter out impurities–is widely considered to be the most effective way to desalinate water. But it is very energy-intensive, and therefore expensive, because water has to be forced through the membrane under pressure. A key way to reduce the costs involved is to increase the water throughput for the same pressure. But for many years, improvements in membrane technology have been incremental at best, says Jeff Green, NanoH2O founder and CEO.
NanoH2O has found that adding porous nanoparticles to membranes can dramatically increase the efficiency with which water can be filtered. “Under similar pressure, twice as much water goes through,” says Green. In a desalination plant, this increased permeability would reduce energy requirements by 20 percent, or increase water productivity by 70 percent for the same cost, he adds.
Read more from the MIT Technology Review by clicking here.
Water board sued over desalination approval
Posted by: Aqua Blog Maven on September 20, 2008 at 6:21 amFrom KPBS in San Diego:
Two environmental groups have filed a lawsuit against the San Diego Regional Water Quality Control Board. The suit charges the board didn’t properly study how a Carlsbad desalination plant would harm marine life. KPBS Reporter Ed Joyce has details.
San Diego Coastkeeper and the Surfrider Foundation filed the civil lawsuit in San Diego Superior Court.
The lawsuit says the regional water board should have done a detailed analysis of how the desalination plant would affect marine life before conditionally approving a plan by Poseidon Resources to deal with those affects.
More from KPBS by clicking here.
Pentair Water Technology leader Dr. Philip Rolchigo supports desalination technologies as pressures on sources of freshwater mount
Posted by: Aqua Blog Maven on September 13, 2008 at 6:28 amFrom Red Orbit, this press release from Pentair:
Dr. Philip Rolchigo, vice president of Water Technology for Pentair, Inc. (NYSE:PNR), co-authored a report on the viability of desalination technologies to address current United States water needs. The report, now available in hard copy from the National Academies’ National Research Council (the Council), states that desalination can boost U.S. water supplies while reducing the cost of water access overall. Dr. Rolchigo lent his expertise to the Water Science and Technology Board of the Council, and continues to lead dialogue on the need to solve this cresting dilemma.
“The technology exists for us to be able to convert seawater - 97 percent of the world’s water - into drinking water,” said Dr. Rolchigo. “As desalination technology has improved, costs associated with it have been reduced dramatically. Suddenly the option to convert sea- and ground-water for use by municipalities is a viable way to augment our water supply,” Rolchigo added.
The report recommends that desalination strategy, policy creation and research and development be overseen by the White House Office of Science and Technology Policy to coordinate individual agencies currently working on independent goals. The report, “Desalination: A National Perspective,” was released by the National Research Council, the principal operating agency of the National Academy of Sciences and the National Academy of Engineering. Copies of “Desalination: A National Perspective” are available from the National Academies Press by calling 202-334-3313 or 1-800-624-6242, or on the Internet at http://www.nap.edu.
Desalination Report available online
Posted by: Aqua Blog Maven on September 1, 2008 at 6:45 amFrom the Water Wired blog, the National Acadamies Press is now offering a comprehensive report on desalination, which you can read for free online. From the press release:
Recent advances in technology have made removing salt from seawater and groundwater a realistic option for increasing water supplies in some parts of the U.S., and desalination will likely have a niche in meeting the nation’s future water needs, says a new report from the National Research Council. However, a coordinated research effort with steady funding is required to better understand and minimize desalination’s environmental impacts — and find ways to further lower its costs and energy use.
“Uncertainties about desalination’s environmental impacts are currently a significant barrier to its wider use, and research on these effects — and ways to lessen them — should be the top priority,” said Amy K. Zander, chair of the committee that wrote the report and professor at Clarkson University, Potsdam, N.Y. “Finding ways to lower costs should also be an objective. A coordinated research effort dedicated to these goals could make desalination a more practical option for some communities facing water shortages.”
The report says environmental research should be the highest priority, and that more research & development is needed to reduce energy use and the associated costs. Read the rest of the press release by clicking here. Read the report online free by clicking here. Read Water Wired’s thoughts on it by clicking here.
Arizona mulls new water source: Ocean; Mexican city considers desalination plant; U.S. partnership a possibility
Posted by: Aqua Blog Maven on August 31, 2008 at 5:57 amFrom the Arizona Republic:
The water for Arizona’s future needs may lie off the coast of a popular Mexican resort, in the Gulf of California.
State officials are studying the idea of importing filtered ocean water from an as yet unbuilt desalination plant in Puerto Peñasco, 60 miles south of the U.S. border. The water - potentially billions of gallons a year - would help sustain urban supplies in Arizona and could someday bring relief to rural residents, who have long sought a water source to replace rapidly depleting aquifers.
A Scottsdale company already is looking at possible designs for the plant in Puerto Peñasco, where overworked groundwater wells are on the verge of running dry. Arizona water managers see an opening for the state to team up with the seaside resort on a larger plant to serve both countries.
Such a project would raise a host of political, economic and environmental issues, and it’s not clear who would pay the construction costs, which could top $250 billion.But if backers can clear those hurdles, Arizona and neighboring states could tap a plentiful supply of water largely immune to the effects of drought and climate change.
“Desalinated ocean water is the future sustainable source,” said Herb Guenther, director of the Arizona Department of Water Resources. “It’s only logical that eventually we’ll migrate toward it. We don’t need interim supplies now. We need a permanent supply.”
Read more from the Arizona Republic by clicking here.
Desalination closer to reality in California
Posted by: Aqua Blog Maven on August 27, 2008 at 12:08 pmFrom Discovery News:
California is closer to hosting the largest desalination plant in the country, but not everybody thinks it’s a good idea.
Some environmental groups remain concerned about the impacts of the plant on the coastal environment, despite attempts to mitigate these concerns by Poseidon Resources of Stamford, Conn., the company that wants to build the plant. The plant would turn seawater into drinking water and provide a drought-proof water supply for about 300,000 people.
Whether or not the plant goes forward may have an impact on similar proposals around the country. There are, for example, an estimated 17 other proposed desalination plants just in California. Interest in desalination is likely to grow as pressure increases on the nation’s water supply, especially in the West.
Late last week the California State Land Commission granted the last remaining permit that Poseidon needed to go ahead with construction of the 50-million-gallon-per-day facility in Carlsbad, Calif., near San Diego, which they aim to have running by 2011.
But Marco Gonzalez, an attorney representing the Surfrider Foundation, a non-profit environmental group based in Encinitas that focuses on waves and beaches, said Surfrider would continue to work to block the plant’s construction by following up with lawsuits.
“We recognize that desalination is a likely part of our future water supply portfolio,” he told Discovery News. “But our concern is that its time has not yet arrived.”
Read more from Discovery News by clicking here.
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