This is a site mirroring the emails of California Water News emailed by the California Department of Water Resources

[Water_news] 2. DWR'S CALIFORNIA WATER NEWS: SUPPLY - 11/13/07

Department of Water Resources

California Water News

A daily compilation of significant news articles and comment 

 

November 13, 2007

 

2. Supply

 

DESALINATION:

Making the case for desalination - San Diego Union Tribune

 

Carlsbad seawater plan heads to commission - North County Times

 

NORTHERN CALIFORNIA GROUNDWATER ISSUES:

Water forum focuses on planning, regional cooperation - Chico Enterprise Record

 

WATER BANKING:

Officials visit Rosamond water bank site; Planning for the future - Mojave Desert News

 

WATER CONSERVATION:

IID to discuss water rationing - Imperial Valley Press

 

Guest Column: A crisis we can't afford to ignore - North County Times

 

DROUGHBUSTERS BACK IN ACTION:

'Drought busters' may be calling soon on water wasters; Department of Water and Power employees will roam L.A. and issue friendly advice to residents they see wasting water. Excessive lawn watering and sidewalk spraying are expected to be top targets - Los Angeles Times

 

 

DESALINATION:

Making the case for desalination

San Diego Union Tribune – 11/11/07

By Michael Burge, staff writer

 

After a year of pleading its cause through letters and stacks of documents, a private company will get a shot Thursday at persuading the state Coastal Commission to let it build the Western Hemisphere's largest desalination plant on the Carlsbad coast.

 

To approve the project, the 12-member commission will have to override its own staff, which recommends against allowing the plant. The commission's staff says the plant would degrade water quality and harm marine life in Agua Hedionda Lagoon, the source of the ocean water that would be desalinated.

 

The developer, Poseidon Resources, argues that if it can build the plant, it will care for the lagoon and assure its future health.

Company officials also say the desalination process it proposes is more environmentally friendly than any alternative.

 

From the outset – even before Poseidon submitted an application to build its plant last year – commission staff members have differed on the best way to turn ocean water into drinking water.

 

Water source debated

 

Poseidon Resources proposes tapping into the ocean-water stream that NRG Energy uses to cool its steam-driven turbines at the Encina Power Station on the south shore of Agua Hedionda Lagoon.

 

This method takes advantage of existing water intake and outfall pipes, which Poseidon says would cost $150 million to build, and makes it easier to treat the seawater because the power plant has warmed it up.

 

The Coastal Commission staff has long objected to this method because thousands of fish, larvae and other marine organisms are killed as water is drawn into and circulates through the power plant.

 

Commission analysts prefer a more benign technology of drawing water from beneath the ocean floor, either through wells or “galleries” of buried pipe.

 

The idea involves sinking a pipe in the sea bed, akin to a fresh-water well, or excavating a wide area of ocean floor, lining it with pipes and covering it with sand. The pipes would be connected to the onshore desalination plant.

 

The sand blanket would act as a natural filter for the ocean water, commission staff argues.

 

Commission analysts acknowledge that building such intakes is costly, but say the natural pre-filtering reduces operating costs.

 

Poseidon estimates such an ocean-floor system would more than double the construction cost, to $650 million from $300 million, and could destroy 150 acres of seafloor.

 

Although this technology has never been used on the scale envisioned for Carlsbad, the Coastal Commission staff points out it has been used on small-scale projects in the state.

 

Intake systems varied

 

Poseidon plans to draw 100 million gallons of seawater a day as it leaves the Encina Power Station, filter it and force it through reverse-osmosis membranes to produce 50 million gallons of drinking water. The other 50 million gallons would be returned to the cooling stream and on to the ocean twice as salty as when it came in.

 

While Poseidon rejects the commission staff's idea, two Southern California water agencies are investigating wells or buried pipes as intake systems for desalination.

 

The Municipal Water District of Orange County drilled a test well earlier this year at Dana Point that it regards as promising, and Long Beach is exploring a buried chamber.

 

The San Diego County Water Authority also is studying the feasibility of a desalination plant at Camp Pendleton.

 

“As part of that, we're looking at the possibility of both a subsurface intake and an open-ocean intake,” which would draw directly from open water, said Bob Yamada, the county water authority's water resources manager.

 

He said the authority also will study a combined seawater/groundwater desalination plant in South Bay.

 

The Long Beach Water Department recently won Coastal Commission approval to dig an undersea intake system as a test this winter.

 

Department spokesman Ryan Alsop said officials there were discussing their offshore geology when they learned that Fukuoka, Japan, a city of 1.4 million, installed a sub-ocean-floor intake in 2005.

 

Fukuoka desalinates 13 million gallons of ocean water a day.

 

Alsop described Long Beach's test chamber as a sandbox lined with pipes and covered with sand.

 

“The advantages are, we think, a reduction in pre-treatment costs,” Alsop said.

 

Karl Seckel, assistant manager and engineer for the Municipal Water District of Orange County, said his agency began exploring a buried intake on the advice of Coastal Commission staff. The water district is considering building a desalination plant at Doheny State Beach in Dana Point.

 

“They said if you can look at any other ways of bringing the water in you should do that,” he said.

 

In April the district drilled a test well – a perforated pipe – at an angle into the ocean bed. Seckel said the test was a success, and had the benefit of not affecting the ocean environment.

 

Habitat restoration

 

Poseidon is not sold on subsurface intakes, claiming they are more environmentally harmful than its proposal.

 

“If you look at everything that the Coastal Act serves to protect, had we proposed any one of those systems we would have been laughed out of the room,” Peter MacLaggan, Poseidon's senior vice president, said.

 

He said an ocean-floor chamber “would be a three-intake system, each a mile long, 400 feet wide and 15 feet deep,” through kelp beds. It would need 76 pipes from the beach to the ocean, with pump houses for each pipe.

 

He said Poseidon's proposal would kill 2 pounds of fish a day and destroy about 12 percent of the fish larvae in the lagoon, which he considers minor, given the plenitude of the species involved.

 

The company is proposing to restore 37 acres of habitat in compensation.

 

The commission staff disputes the idea that fish kills would be minor.

 

Significant numbers of sensitive and sport fish larvae, including California halibut, northern anchovy and Garibaldi would be killed by the plant, a staff report states. Six percent of the killed larvae would be Garibaldi, and there is a state ban on killing the species for recreational or commercial purposes.

 

MacLaggan said Garibaldi are more common at Agua Hedionda Lagoon than elsewhere, so the impact would not be significant.

 

The Coastal Commission's desalination expert, Tom Luster, said he doubts Poseidon's facts and figures particularly about the size of alternate intakes.

 

“They describe large concrete bulkheads up and down the beach,” Luster said. “That's not really needed.” #

http://www.signonsandiego.com/news/northcounty/20071111-9999-lz1mi11desali.html

 

 

Carlsbad seawater plan heads to commission

North County Times – 11/11/07

By Gig Conaughton, staff writer

 

SAN DIEGO ---- After more than seven years of study, a proposal to build a Carlsbad plant to turn 50 million gallons of seawater a day into drinking water is poised to be approved or rejected Thursday by California Coastal commissioners.

Despite overwhelming support from a slew of politicians, water officials, businesses and community groups, it appears the project will remain a contentious one even as it approaches the key commission judgment.

 

Because the seawater project is the first of its kind to be weighed, and because its approval could open the floodgates for other such projects, there was little evidence to suggest which way commissioners might vote.

 

Poseidon Resources, Inc., the company that has studied building the $300 million plant at Carlsbad's Encina Power Plant since 2000, says it has done exhaustive studies proving the plant will not hurt the ocean or add to global warming.

Poseidon officials also say the plant is badly needed to bolster dwindling Southern California water supplies.

But environmental foes say the plant would hurt marine life, sucking it in through the power plant's seawater cooling system.

 

They argue that water conservation could help the water supply as much as a new plant, and that they plan to fight the proposal "to the death."

The coastal commission's staff recommended Nov. 2 that commissioners reject the project.

Like environmental groups, and in direct contrast to Poseidon's assertions, the commission's staff said the plant would hurt the ocean and Agua Hedionda Lagoon. They also said the project would create millions of pounds of annual greenhouse gases.

A report from commission workers also questioned whether the plant could produce water at the price Poseidon reported. That left Poseidon officials questioning whether the commission ---- which was created by state voters in 1972 to protect and conserve California's coasts ---- was overstepping its bounds.

Decision scheduled Thursday

All of those issues will come to a head Thursday when coastal commissioners hold a hearing at the Sheraton San Diego Hotel to decide if they should approve the permit that would let the plant be built.

Marco Gonzalez, an environmental lawyer active in the Surfrider Foundation, said he thought there was a better than 50 percent chance that commissioners would approve the permit ---- but said environmental groups would challenge the project in court.

Tom Luster, the coastal commission's desalination expert who helped write the staff recommendation, said he expects "a long and interesting hearing."

Meanwhile, Poseidon Vice President Peter MacLaggan responded to Gonzalez's threat of court action.

"I wouldn't be the least bit surprised," he said. "We've been challenged at every step along the way."

Even though water officials have universally praised Poseidon's desalination plant plan, it has had a bumpy history at various times since 2000.

For several years, Poseidon negotiated to build the plant with the San Diego County Water Authority, the county's regional wholesale water supplier. But those on-again, off-again talks, which included Water Authority allegations that Poseidon withheld environmental information under protections for business secrets, eventually fell apart. The Water Authority has said it still supports the plan despite the absence of a deal with Poseidon.

Meanwhile, Poseidon continued pursuing the Carlsbad project by cobbling together contracts to sell the plant's water to the city of Carlsbad and seven other local water agencies. Those contracts promise to sell the water for no more than the roughly $730 the agencies pay the Water Authority per an acre foot of imported water.

Because the desalinated water is expected to cost between $800 and $1,050, Poseidon will sell the water at a loss. However, MacLaggan says the company expects the cost of imported water to rise faster than the plant's, and that the company is confident it will earn a profit.

An acre-foot of water is enough to sustain two households for a year.

Opponents: Project will hurt ocean life

The biggest complaints from both the coastal commission staff and environmental groups about Poseidon's project revolve around the intention to use the Encina Power Plant's existing seawater cooling system.

Currently, Encina sucks in ocean water to cool its electricity-generating turbines before spitting it back out to sea. Poseidon plans to take 304,000 gallons of that water every day and use powerful pumps to force it through high-tech filtering membranes. Fifty million gallons a day would be turned into clean drinking water. The rest, including the salty brine extracted by the filters, would be spit back out to sea.

However, a recent court case and studies have said ocean cooling systems hurt ocean life, killing fish, vegetation, and microscopic life ---- and Encina's owners have applied to move to an air-cooled system by 2010.

Poseidon has a deal to continue using the existing sea intake and outfall system. But coastal commissioners and environmental groups such as the Sierra Club say they should not be allowed to do so.

Poseidon Vice President MacLaggan said the company's research has found that it will kill about 2 1/2 pounds of fish per day as well as a less than significant amount of phytoplankton, fish larvae and other microscopic organisms.

He said the company plans to offset that environmental harm by creating 37 acres of new wetland habitat in a joint San Dieguito River Valley program.

But Luster and coastal commission staff members wrote in their report that they did not trust Poseidon's numbers, saying studies done elsewhere in the state in recent years "concluded that power plant intakes caused significant adverse impacts to local or regional marine biota."

MacLaggan said Luster and commission staff simply didn't like Poseidon's findings, and instead started reaching for unsubstantiated rebuttals.

"They're presenting no evidence, only occasionally saying 'somewhere else it was different,' " he said. "There's no evidence to counter our analysis."

Luster and coastal commission staff members have suggested that Poseidon could build their plant without the existing open-sea intake by digging subsurface wells, or beach wells.

But MacLaggan and Poseidon say it would take miles of beach wells ---- something the commission would never approve ---- to come up the amount of water Poseidon needs. #

http://www.nctimes.com/articles/2007/11/12/news/top_stories/21_42_0011_11_07.txt

 

 

NORTHERN CALIFORNIA GROUNDWATER ISSUES:

Water forum focuses on planning, regional cooperation

Chico Enterprise Record – 11/12/07

By Heather Hacking, staff writer

 

The League of Women Voters held a forum Thursday in order to motivate Northern California leaders to take a regional approach to Sacramento Valley groundwater resources.

 

About 100 people attended, including county water and planning leaders.

 

Jim Gregg, retired political science professor from Chico State University and league member, said getting Northern California water leaders to work together on groundwater is "akin to herding cats."

 

League member Barbara Hennigan pointed out the political inequities on water issues. Eighty-six percent of the water that runs through the California Delta originates in the Sacramento River hydrological region, she said.

 

However, only 0.2 percent of California's residents live where the water begins, she said.

 

She said there is no better time than right now to have the voices from Northern California heard, as the state is currently working on the next water plan, due to be released in 2009.

 

According to a trend report prepared for the Butte County General Plan process, the county is expected to grow from the current 200,000 population to more than 300,000 in 2030, putting more pressure on the local groundwater resources. At the same time, population is expected to grow dramatically throughout the state.

 

But few California counties have put a water element into their General Pans.

 

"We can't wait until 2030," Gregg said.

 

The Lower Tuscan aquifer was specifically discussed. That groundwater aquifer that lies under several Northern California counties. "Obviously we can't go it alone," Gregg said. "We must actively be involved."

 

"Politically, we have tremendous odds to deal with," he said.

 

Issues creeping up on the Sacramento Valley and the state as a whole include environmental concerns in the Sacramento-San Joaquin Delta, instability of the Delta, cutbacks on Southern California water deliveries, and changes in climate including depletion of snow pack.

 

"By not planning, we risk serious consequences," Gregg said.

 

The guest speaker at the meeting Thursday was Carol Patterson, a board member of the Edwards Aquifer Authority for the past 15 years.

 

Edwards Aquifer lies under eight counties in and around San Antonio, Texas, a region of 2 million people.

 

The League invited Patterson to share her experiences of working with communities in the area to form the aquifer authority and to make the water source sustainable.

 

Similar to the Sacramento Valley, water is used by agriculture, communities and industry. The area suffers from alternating droughts and strong storms.

 

With increases in water use, the area needed to find a way to sustain the use of groundwater and join stakeholders together for a solution.

 

For decades, those involved with management of the aquifer had their ups and down, including political pressures from different interests, environmental concerns, property rights issues.

 

And after much wrangling, the aquifer authority was able to avoid a federal takeover and allow Texas to come up with a management solution, Patterson said.

 

Among the solutions was to ban all new gas stations on areas known to be recharge zones for the aquifer, she said.

 

Conservation has also contributed to 150,000 acre-feet less water use in normal years, despite growth in population.

 

Per capita water use in San Antonio has decreased 130-200 gallons per day, she said.

 

Through all the wrangling, Patterson said "one of the best lessons we've learned is to remain flexible."

 

She said one key is to get everybody at the table at the beginning "so he doesn't fight with you later."

 

"I finally found a way to make friends with my enemies," she said.

 

County Planning Director Tim Snellings wrapped up the evening by giving an overview of the county's General Plan update process, including an overview of the steps the county has taken to look at groundwater as a regional issue.  #

http://www.chicoer.com/news/ci_7439343

 

 

WATER BANKING:

Officials visit Rosamond water bank site; Planning for the future

Mojave Desert News – 11/8/07

By Jill Barnes Nelson, staff writer

 

Planning for the future; QUOTE:"It's a giant step forward for Rosamond.”— RCSD General Manager Bob Neufeld

 

ROSAMOND — It's like money in the bank. The water bank, that is, and anyway you look at it, it's all liquid.


"It's a giant step forward for Rosamond to be part of this water banking project," said Rosamond Community Service District general manager Bob Neufeld. "It give us a distinct advantage to able to supply water to our residents in the future."


The Rosamond Community Service District recently held a tour of its new water banking site, located near 155th Street West and Gaskell Road. Members of its two partners in the Joint Powers Authority for the project, SemiTropic Water Storage District and Western Development, came along for the ride to explain just how the banking works.


SemiTropic general manager Will Boschman said water banking projects started back in the early 1990s. "We were looking for new water storage areas where we could bank one million acre feet," he said. "We were stepping into a new area and a lot a research needed to be done." SemiTropic also partners with several other water storage facilities throughout the California.


"This entire project is nothing short of innovative with the different partners," said Cole Frates of Western Development. "It's a rarity to find everyone so professional."


Storing for the future


The main purpose of the water bank is to be able to put water into the ground when there is a surplus of water from winter rains, and keep it there to use as needed during dry times. And by having this partnership, the district can tap into other water banks in the State if needed.


"The advantage for us is that we're just about ready to put water into the ground now," Neufeld said. "We have all the permits to bank some 800,000 acre feet of real water for real people."


"This is cutting edge stuff," said Rex Moen, field representative to Senator Roy Ashburn. "Water in California is a real challenge. With this, you can bank recycled and recharged water."


Kern County supervisor Don Maben added his congratulations. "Thanks for stepping up to the plate, Rosamond. This is real progress and you have set the stage for future banking."


Started in 2001


Andrew Warner of Western Development explained what was considered before choosing the Rosamond site. "It started back in 2001. We had to cover a lot of bases," he said. "First we had to find land suitable to bank water. It couldn't impact on local residents, septic systems, or have too much clay. We had to check levels of other chemicals in the land such as arsenic. And it had to be in a place where the water could easily flow to its destination."


>From 2002-2004, he said they looked over hundreds of data bases, maps and did all types of water testing to find the right spot.

 

By 2005, a feasibility report put them in this location, which was the Van Dam Farm. The area is 1630 acres and had been used to grow alfalfa, onions and carrots. The cost was $7500 per acre.


It then took another year to get all the proper permits and approvals.


Financial partner


Once Western found the best location, it went looking for a financial partner – SemiTropic. And it also wanted to work with a public agency and found RCSD. "We did lots of presentations about the bank and plan to do more," Werner said. "We want the public to know exactly what we're doing."


Werner said they should start banking in the next month or so. "Once we start, we should bank some 100,000 acres in three months," he said.


Werner also said the area to be banked will at first look a rice paddy. The location will be surrounded by a berm, and then flooded on top until it sinks to the storage area below. "We have a test area now where we're growing carrots on top. We'll continue to do some farming, unless for some reason, we need to use the top layer." 


The numbers for the program, in addition to the 800,000 acre feet, will include an additional 500,000 acre feet in Antelope Valley, 300,000 acre feet in the San Joaquin Valley, along with 130,000 acre feet of recharge and up to 430,000 acre feet of lower priority when available. And there could be room for expansion with surrounding land that also is suitable for banking.


Another plus to the project is it will eventually tap into the California Aqueduct, which is located just a few miles away. "We hope to run pipes right along theirs to our bank," Frates said. "That way the water can flow back and forth as needed."


Neufeld pointed out this will be a money-making venture for all parties. "We already have had offers from other agencies to put water in our bank. That shows a high level of confidence for this program."


AVEK project


Meanwhile, the Antelope Valley/East Kern Water Agency has released an environmental impact report for their projected water bank near 60th Street. That project is being opposed by residents in the area, some of whom have formed a group called “Antelope Valley Citizens for Responsible Use of Water.” Rosamond resident Randy Scott said the group supports water banking but has serious concerns about the AVEK site.


“There are other places to do it and other issues,” Scott said at last week’s Rosamond Municipal Advisory Council meeting. #

http://desertnews.com/mdn/story9.html

 

 

WATER CONSERVATION:

IID to discuss water rationing

Imperial Valley Press – 11/12/07

By Brianna Lusk, staff writer

 

Water rationing will be at the forefront of Imperial Irrigation District meetings this week as the district’s Board of Directors discusses the issue with agriculture and community members.

The district is facing a tight deadline in which to implement “equitable water distribution” to make up for water shortfalls in 2008.

The district is already on track to exceed this year’s water apportionment for the second year in a row.

On the agenda for the informational meeting, scheduled at 5 this evening, is the approval of a $600,000 software system that would regulate and track water flow.

The board could take action on the item tonight. The software would play an integral part in the water distribution program.

 

It is expected to be functional by January.

An equitable distribution workshop is scheduled for 5 p.m. Wednesday to address any lingering community concerns about the equitable distribution program.

Conservation is becoming an increasingly necessary measure as the IID copes with the limitation of 3.1 million acre-feet of water imposed by the controversial Quantification Settlement Agreement.

The QSA, a 75-year water pact meant to prevent future water wars, took effect in 2003 and has continued to be mired in a number of lawsuits against the agreement.

Earlier this year the board declared an imbalance in the water budget and the proposed straight-line method that has emerged is opposed by some farmers and community members.

The straight-line method would distribute 5.13 acre-feet of water to farmers and any excess water the farmers did not use could be sold within the district to other farmers.

IID would not set the price for the water transfers between farmers, but would facilitate the exchange.

Some have said the plan puts landowners at the helm of owning the water and the straight-line method is cause for concern.

The Imperial County Farm Bureau has backed a transitional method and IID officials have said they hope there is a compromise reached in the coming days. #

http://www.ivpressonline.com/articles/2007/11/13/news/news03.txt

 

 

Guest Column: A crisis we can't afford to ignore

North County Times – 11/12/07

By Timothy Quinn, executive director of the Association of California Water Agencies

 

The firestorm of 2007 underscored the importance of water to the San Diego area. Thankfully, local water agencies had enough water available for the firefight. But many were forced to draw heavily on water reserves, which were already low due to drought and a cutback in the state's water supply.

During this disaster, many residents were forced to boil water for several days as local water systems were treated to protect against contamination. Though safe drinking water was soon flowing again, the experience is a reminder that we can't take our water for granted.

 

A critical resource to California families, the economy and the environment, our statewide water system is fragile, aging and vulnerable to major damage from natural disasters such as fires, floods and earthquakes. With so much at stake, it's critical that Californians understand the serious challenges facing our statewide water system.

 

Despite intense media coverage and focus by the governor and legislators, the public remains largely unaware of the problems confronting California's water supply and delivery system. To address that, a statewide coalition of 450 public water agencies recently launched a public education program to raise awareness of current and future water problems.

The state's growing population puts increased pressure on our water supply. The San Diego Association of Governments projects that by 2030, the region will add another one million people. Those projections raise new challenges for a region that relies heavily on imported water.

While San Diego does an admirable job stretching its water supply through conservation and other water efficiency programs, it simply is not enough to protect the region from the state's growing water problems. In response to a request from local authorities to cut usage by 20 gallons a day, San Diegans to date have saved more than 35,000 gallons a day. While water conservation is critical, it cannot fully fend off the effects of the crisis facing our statewide water system.

One of our biggest worries is the Sacramento-San Joaquin River Delta, the single most important link in California's water supply system. But for all its importance, the Delta is in an ecological crisis that threatens our water supply and environment.

 

Recently, a federal court ordered the state's two largest water systems to cut deliveries by one-third next year to protect a threatened fish species -- potentially the largest court-ordered reduction in California history. In recent years, one-third of San Diego County's water supply has come from the Delta. As a result, the water supply impacts of this court decision to the county will be significant, making supply shortages and mandatory water restrictions a very real possibility.

Never before has the state's water system faced the troubles it faces today. It is critical that Californians take the combined threat of drought, climate change, supply reductions and potential natural disasters seriously. We simply cannot afford to ignore these problems -- California's present and future economy, environment and quality of life depend on a reliable water system. #

http://www.nctimes.com/articles/2007/11/13/opinion/commentary/20_29_0011_12_07.txt

 

 

DROUGHBUSTERS BACK IN ACTION:

'Drought busters' may be calling soon on water wasters; Department of Water and Power employees will roam L.A. and issue friendly advice to residents they see wasting water. Excessive lawn watering and sidewalk spraying are expected to be top targets

Los Angeles Times – 11/13/07

By Steve Hymon, staff writer

 

Los Angeles Mayor Antonio Villaraigosa announced Monday that he would reactivate a program of "drought busters" to preach the message of water conservation.

Department of Water and Power employees will roam the nation's second-largest city and issue friendly advice to residents they see wasting water.

Excessive lawn watering and sidewalk spraying are expected to be top targets.

Earlier this year, the mayor asked residents to voluntarily cut water use by 10%. By putting drought busters on the street, Villaraigosa hopes to avoid restrictions on water use.

The mayor will unveil details of the program, which centers on having five to 10 people patrolling the city, at a news conference today at DWP headquarters. Los Angeles covers about 469 square miles.

But even as the city's top water official told the City Council last month that he was contemplating reviving the drought busters program, he warned that such measures might not be enough to get the city through the latest dry spell.

DWP acting general manager Robert Rozanski said that if this year is as dry as the last -- the driest on record -- mandatory conservation rules might be necessary. #

http://www.latimes.com/news/local/la-me-drought13nov13,1,6155863.story?coll=la-headlines-california

####

 

No comments:

Blog Archive