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February 26, 2013

The Desalination Revolution

How Israel beat the drought

This country was on the brink of water catastrophe, reduced to running relentless ad campaigns urging Israelis to conserve water even as it raised prices and cut supplies to agriculture. Now, remarkably, the crisis is over

By DAVID HOROVITZ, TOI

Until a couple of years ago, Israeli radio and TV regularly featured commercials warning that the country was “drying out.”

In one of the most powerful TV ad campaigns, celebrities including singer Ninet Tayeb, model Bar Refaeli and actor Moshe Ivgyhighlighted the “years of drought” and the “falling level of the Kinneret.” As they spoke plaintively to camera, their features started to crack and peel — like the country — for lack of moisture.

Ninet Tayeb in the no-longer-broadcast ‘Israel is drying out’ commercial (photo credit: YouTube screenshot)

So compelling was this ad, so resonant its impact, I hadn’t actually realized it was no longer on the air. Alexander Kushnir put me straight. “We decided it simply wasn’t justified to alarm Israelis in this way any longer,” said Kushnir, who heads Israel’s Water Authority.

How so? Israelis don’t need to watch their water use any more? Isn’t this region one of the world’s most parched? Haven’t we been warned for years that the next Middle East war will be fought over water?

Kushnir’s answers: Yes, Israelis must still be wise with their water use. Yes, emphatically, this is a desert region, desperately short of natural water. And yes, we have indeed been worried for years about the possibility of water shortages provoking conflict.

But for Israel, for the foreseeable future, Kushnir says, the water crisis is over. And not because this happens to have been one of the wettest winters in years. Rather, he says, an insistent refusal to let the country be constrained by insufficient natural water sources — a refusal that dates back to David Ben-Gurion’s decision to build the National Water Carrier in the 1950s, the most significant infrastructure investment of Israel’s early years — led Israel first into large-scale water recycling, and over the past decade into major desalination projects. The result, as of early 2013, is that the Water Authority feels it can say with confidence that Israel has beaten the drought.

Alexander Kushnir, head of the Water Authority (photo credit: Courtesy)Alexander Kushnir, head of the Water Authority (photo credit: Courtesy)

Speaking to The Times of Israel from the authority’s offices in Tel Aviv, Kushnir identifies that refusal to “rely on fate” as the key to a genuine strategic achievement — a rare, highly positive change in an age and a region where most of Israel’s challenges appear to be worsening, not receding, much less disappearing.

“How did we beat the water shortage? Because we said we would. Wedecided we would,” says Kushnir, a big man with a warm smile and a robust Russian accent. “And once you’ve made that decision, you build the tools to reduce your dependence. We’re on the edge of the desert in an area where water has always been short. The quantity of natural water per capita in Israel is the lowest for the whole region. But we decided early on that we were developing a modern state. So we were required to supply water for agriculture, and water for industry, and then water for hi-tech, and water to sustain an appropriate quality of life.”

The National Water Carrier — which takes water from the Sea of Galilee (Lake Kinneret) south through the whole country to Beersheba and beyond — exemplified Israel’s ambition. Contemplated even before the modern state was founded, its planning and initial construction were “a dominant feature of the first Ben-Gurion government — an unprecedented investment,” Kushnir notes. “It stressed our desire to achieve a different reality.”

Carrying almost 2 million cubic meters a day nationwide, that supply line, together with water from underground aquifers, kept Israel watered through the 70s. By the 1980s, though “we had a bigger population, bigger needs and the natural resources were overstretched. So we experimented with a small desalination plant in Eilat. And we began recycling purified sewage, and bringing industry into purifying water.”

“Use any superlatives you like,” urges Kushnir, to describe the fact that, today, “over 80% of our purified sewage goes back into agricultural use. The next best in the OECD is Spain with 17-18%. It’s so justified energy-wise, and environmentally as well.”

But even these innovations weren’t enough to meet the needs of an ever-growing population through the 1990s and into the 2000s, the more so when the rains failed. Average rainfall in Israel is about 1.2 billion cubic meters. But in relatively dry years, it can sink to 900 million.

As the gulf between available water resources and needs widened, Israeli agriculture moved away from water-intensive crops and pioneered enormously improved efficiency, with trailblazing drip irrigation techniques. Israel also increased the use of brackish water in agriculture. And all that still wasn’t good enough. “We knew we had to be careful not to hurt our natural resources,” says Kushnir. “Ultimately, we had no choice but to reduce the supply of natural water to agriculture, and to increase prices, which hurt our agricultural sector.”

Plainly, this was no long-term solution. Elsewhere in the region, poorly managed countries were over-drilling, over-using, and risking major damage to natural sources. “In Syria, for instance, they drilled wells everywhere and destroyed aquifers,” he says. “They had irrational, erratic water management and a lack of government policy.” Even before two years of civil war began, Syrians turned on their taps and got nothing most days of the week.

‘We didn’t want to switch off the water to a population in Israel which has enough problems to deal with’

“By 2000 our balance was really strained,” says Kushnir. “We would have had to cut back drastically in agriculture or industry or home use and we weren’t prepared to do that. We didn’t want to switch off the water to a population in Israel which has enough problems to deal with.”

The solution was desalination, on a major scale — the third phase in a water revolution that had begun with the water carrier and continued with recycling. The first large desalination plant came on line in Ashkelon in 2005, followed by Palmahim and Hadera. By the end of this year, when the Soreq and Ashdod plants are working, there’ll be five plants — built privately at a cost of NIS 6-7 billion (about $2 billion).

Israel's desalination plant on the Mediterranean Sea at Ashkelon (Photo credit: Edi Israel /Flash90)Israel’s desalination plant on the Mediterranean Sea at Ashkelon (Photo credit: Edi Israel/Flash90)

Israel uses 2 billion cubic meters of water per year — which is actually a little less than a decade ago, as efficiencies have been introduced in agriculture (which uses 700 million), and water-saving awareness has permeated. Of that two billion, half will be “artificially” manufactured by year’s end — 600 million cubic meters from those desalination plants, and 400 from purified sewage and brackish water.

“We’re not the world’s biggest desalinators,” notes Kushnir, “but no one has made the shift so fast to a situation where half of its water needs are filled from ‘artificial’ sources. And it means we are now ready for the next decade, without dramatic dependence on rainfall fluctuations.”

Kushnir regards this as a remarkable achievement — “a lesson for the rest of the world,” he says, “or at least those many parts of the world that are grappling with variants of the difficulties Israel has overcome.”

The panicked warnings are over. But that doesn’t mean Israelis should now wash their cars with sloshing abandon, shower for hours, or hose their lawns (if they’re lucky enough to have one) day and night

So the “Israel’s drying out” ads have gone off the air, and the panicked warnings are over. But that doesn’t mean Israelis should now wash their cars with sloshing abandon, shower for hours, or hose their lawns (if they’re lucky enough to have one) day and night.

“In our region, you always have to save water,” Kushnir stresses. “There has to be intelligent water use. But I’m not going to scream at people anymore.”

The campaigns were demonstrably effective; they reduced water use by at least 10 percent, Kushnir says. “In 2000, it was 100 cubic meters per person per year. Nowadays it’s 90. That saved us a desalination plant.”

But Israel can afford to relax, at least a little. “Our job is to ensure that when you turn on the tap, water comes out,” says Kushnir. “Well, we’ve done that. People have to continue to be smart. This isn’t London or Washington, DC. You have to use water as appropriate to our region. There has to be awareness that water is a precious resource, and we have to manufacture much of it, and that costs money. The manufacture also creates carbon dioxide and that affects the environment. So, I’m not trying to scare the public. You want water, here’s water. Use it. Use it as you want, but use it wisely.”

Where does Kushnir stand on global warming? Does he see it impacting annual rainfall? “There are dramatic changes in water fall,” he responds. “We need to be prepared for graver, longer droughts. If we see global warming having more of an effect, we’ll have to increase the desalination factor. If not, we’ll stay at the current fifty-fifty.

“Personally,” he goes on, “I’m a bit skeptical that global warming is a consequence of human activity. There is partial proof that human activity has exacerbated it. [But] it might be normal fluctuations. Remember,” he adds, “I’m supposed to be skeptical when I decide where to spend our billions.”

For all the announced success, should we be concerned that it might have come too late — that desalination should have been implemented earlier, reducing the heavy pumping from the Kinneret and the aquifers?

Shuli Chen, who works for the National Water Authority, stands in the Sea of Galilee to take a measurement of the water level, March 2007. (Photo credit: Nati Shohat/Flash90)Shuli Chen, who works for the National Water Authority, stands in the Sea of Galilee to take a measurement of the water level, March 2007. (Photo credit: Nati Shohat/Flash90)

“Yes, we could have started desalination earlier. The damage to our natural resources would have been lighter,” Kushnir agrees. “We came very close to the black lines in the aquifers and the Kinneret which could have caused multi-year damage. Did we do harm? I hope not. But we’re moving away from the black lines now, even from the warning red lines. The immediate refilling and rehabilitation of the Sea of Galilee looks nice, but the aquifers are the key and we’re still 1 billion cubic meters to the optimal levels. Yet we’re legitimately optimistic.” (As of late February, the Sea of Galilee was at 210.24 meters below sea level, its highest level in seven years, which is a healthy 2.65 meters above the “lower red line” and 1.56 meters below the “upper red line” — the point at which the lake is considered full.)

At the same time as desalination has supplemented natural sources, he adds, Israel has also become more efficient in the collection of rainfall. “As we improve, our aquifers will refill. Our springs will fill up. Then we’ll really have done our bit.”

What about the rest of the immediate neighborhood, those who work with Israel, and those who are hostile to Israel?

Kushnir says Israel supplies an annual 100 million cubic meters in total to the Palestinian Authority (30 million) and to Jordan (70 million), in line with formal agreements. He says the PA has failed to develop all the infrastructure necessary to maximize available water, and would reach “reasonable, appropriate levels” if it did so. “They can take quite a lot from the eastern aquifer. There are natural sources they didn’t develop. It’s detailed in the interim agreements.” He also says that among Jewish settlers in the West Bank, water use is similar to that inside sovereign Israel.

Kushnir says he meets with the head of the PA’s water authority, Dr. Shaddad Attili. “We speak to them all the time and we tell them how we managed, including by purifying sewage.”

Attili, for his part, last October accused Israel of charging “extortionate” prices for the water it supplies, and the PA has claimed that Israel’s refusal to let it drill in various locations above aquifers, as well as disappointing results from the developments it has introduced, force it to continue to depend upon those Israeli supplies.

“Our water market is no longer subsidized by the state,” Kushnir responds, “not since 2007.”

As for Jordan, Kushnir says the two countries work together effectively. Ever since the Israel-Jordan border demarcation was adjusted under the 1994 peace accord, Jordan has allowed Israel to maintain its drilling facilities inside what became Jordanian territory in the south, “and we help them in the north.”

It was King Abdullah’s father Hussein who would warn about water shortages prompting the next Middle East war. As far as Kushnir is concerned, the Israeli-Jordanian working relationship where water is concerned assuages any such worry. “There is such good mutual respect and interest,” he says. “We help each other. [Relatively speaking,] they have water; their challenge is how to deliver it. There’s the Red-Dead project where we can argue about the specifics. They’re thinking of desalination in Aqaba. They have a plan for use of brackish water. They can solve their problems overall, and we’ll be happy to help. The Israeli-Jordanian water agreement is an example of a deal where both sides benefit.”

A Palestinian man fills a tank with clean water to be trucked to families who don't have safe drinking water at their homes in Gaza City, in 2010 (photo credit: Wissam Nassar/Flash90)A Palestinian man fills a tank with clean water to be trucked to families who don’t have safe drinking water at their homes in Gaza City, in 2010 (photo credit: Wissam Nassar/Flash90)

Beyond Jordan, though, has the fear of drought-stoked conflict disappeared? Israel, Syria and Lebanon have long contested water rights, and intermittently accused each other of abuses. Gaza faces acute water shortages.

“We know that geostrategic changes in the region can endanger our water sources,” Kushnir allows. “We certainly can’t afford to give up our natural resources.”

Treading delicately, Kushnir notes that, despite the new successes, the Dead Sea, for instance, is “missing billions of cubic meters.” One day, he muses, “Jordan, Syria, Lebanon and Israel could potentially redirect the waters of the Litani River,” in Lebanon, to begin to address that challenge. “Of course, he adds, with magnificent understatement, “we would have to be in a situation of constructive dialogue.”

For all that Israel’s new water health is legitimately hailed as a remarkable achievement, that utopian vision — of Jordan, Syria, Lebanon and Israel engaged in “constructive dialogue” — would seem beyond the foreseeable ambitions of even the most skilled and optimistic of rainmakers.

http://www.timesofisrael.com/how-israel-beat-the-drought/

Posted by Ted Belman @ 8:42 pm | 3 Comments »



3 Responses to The Desalination Revolution

  1. RaymondF says:

    Wonderful news! Again Israel is a leader among nations in water “manufacture,” conservation, and management.

  2. SHmuel HaLevi says:

    Great job!

  3. Another example of quiet Israeli-Jordanian cooperation keeping the peace. Too bad others don’t “get it”.

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