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CS The Ogallala Aquifer

The Kanas Times 7/15/15

A drying shame: With the Ogallala Aquifer in peril, the days of irrigation for western Kansas seem numbered 

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Clay Scott examined an irrigation pivot with oldest son Ty in a corn field near their family farm in Ulysses, Kan. Scott is already feeling the effects of the depleted Ogallala Aquifer, from which he draws water to grow his crops. Some of his two dozen irrigation pivots are pumping just 150 gallons per minute now, down from thousands of gallons per minute when they were first drilled. Travis Heying The Wichita Eagle 

By LINDSAY WISE

JOHNSON, Kan. 

The prairie wind buffeted Brant Peterson as he stood in a half-dead field of winter wheat.

In front of him, a red-winged blackbird darted in and out of a rippling green sea of healthy wheat.

Behind him, yellowed stalks rotted in the ground.

The reason for the stark contrast was buried 600 feet under Peterson’s dusty boots: Only part of the field — the thriving part — had been irrigated by water pumped at that depth from the ancient Ogallala Aquifer, one of the largest underground sources of fresh water in the world.

“If not for irrigation, that whole field would look like this,” Peterson said, nudging the dead wheat with the toe of his boot.

But irrigation soon could end on Peterson’s southwest Kansas farm. The wells under his land in Stanton County are fast running dry as farmers and ranchers across the Great Plains pump the Ogallala faster than it can be replenished naturally.

Three of his wells are already dry.

Within five years, Peterson estimates, he likely won’t be able to irrigate at all.

 

 

‘You think that we’re just greedy farmers’ 

Brant Peterson, a 5th generation Kansas farmer, responds to those who accuse him and his neighbors of squandering water. Peterson and other western Kansas farmers pump water from an underground aquifer to irrigate his crops, but their wells are drying up. 

The depletion of groundwater stores also is a problem familiar to farmers struggling with drought in California, where pumping for irrigation has put the state’s Central Valley Aquifer under the most strain of any aquifer in the U.S., according to NASA satellite data.

But California also has surface water: reservoirs, lakes, streams, rivers, snowmelt from the Sierra Nevada and a water transportation system.

Western Kansas’ only significant water source is the Ogallala.

Unlike in California, where national headlines, severe water use restrictions and images of cracked earth bear testament to the ravages of drought, the crisis unfolding on Peterson’s farm and others like it across western Kansas is mostly invisible.

It’s taking place underground, in a sparsely populated rural area — out of sight, out of mind for most Americans.

The vast freshwater reservoir beneath the prairie formed 5 million to 10 million years ago as streams draining from the Rocky Mountains deposited water in the clay, sand and gravel beneath the Great Plains.

The water lay there undisturbed for epochs until enterprising homesteaders who settled the West discovered the liquid bonanza that would make their arid land bloom.

Now, in a geological blink of an eye, the Ogallala, which made the Great Plains the nation’s breadbasket, is in peril.

The disappearing water supply poses a twofold danger. It could end a way of life in a region where the land and its bounty have been purchased by the toil and sweat of generations of farmers.

It also threatens a harvest worth $21 billion a year to Kansas alone and portends a fast-approaching, and largely unstoppable, water crisis across the parched American West.

With water levels already too low to pump in some places, western Kansas farmers have been forced to acknowledge that the end is near. That harsh reality is testing the patience and imagination of those who rely on the land for their livelihoods.

As they look for survival, farmers are using cutting-edge technologies to make the most efficient use of the water they have left. They’re contemplating something almost unimaginable just a generation ago: voluntary pacts with their neighbors to reduce irrigation.

And many are investing their long-term hopes in an astronomically expensive water transportation project that isn’t likely ever to be built.

The Arkansas River, which once flowed out of Colorado into western Kansas, is nothing but a dry ditch now, its riverbed reduced to a rugged obstacle course for all-terrain vehicles.

Average rainfall here is just 14 to 16 inches a year, nowhere near enough to replace the water that farmers draw from the Ogallala.

Kansas enjoyed a rainier-than-normal spring this year, easing several years of drought conditions throughout the state. But the relief is temporary.

The storms that soaked the state in recent months won’t alter the Ogallala’s fate, experts say.

“I feel hopeful for California. If it starts raining and snowing, their problem may somewhat take care of itself until the next drought,” said Daniel Devlin, director of the Kansas Water Resources Institute at Kansas State University. “Our problem is going to be here rain or shine.”

That’s because the recharge rate for the Ogallala in this part of Kansas is less than 10 percent. So for every 10 inches pumped out a year, less than one inch is replaced, even in the best conditions.

Once emptied, it would take 6,000 years to refill the Ogallala naturally.

Kansans have known this grim math for decades. They use the term “mining water” to describe pumping the aquifer for irrigation, a term that equates water — its value and its finite supply — with oil and precious metals.

But for a growing number of farmers and ranchers in this part of the state, the consequences of mining water no longer exist far off in some hazy future. They are already here.

“It’s not that I can say, ‘Oh, this is the next people’s problem,’” Peterson said. “No, this is my problem. It’s happening now.”

Peterson has seen his own well yields drop by more than half since 2009. Back then, he could pump 5,400 gallons per minute from 15 wells.

But Peterson had to rely heavily on the aquifer during the recent drought, when his farm received less than 7 inches of rainfall a year for four years.

Now those wells pump just 2,600 gallons per minute for the same acres, and the water must be drawn from ever deeper underground, driving up the cost of running electric- or gas-powered pumps.

“The only thing I can do to conserve is to cut back acres,” Peterson said. “So my revenue stream, my whole operation, has been dinged pretty hard, and then drought on top of that. It’s been brutal.”

The Ogallala Aquifer supplies water for 20 percent of the corn, wheat, sorghum and cattle produced in the U.S.

It sprawls 174,000 square miles across eight states, from South Dakota to Texas, and can hold more than enough water to fill Lake Huron and part of Lake Ontario.

But for every square mile of aquifer, there’s a well. About 170,000 of them. Ninety percent of the water pumped out is used to irrigate crops.

Peterson’s great-grandfather helped drill one of the first wells for irrigation in Stanton County in 1939.

At first, farmers used flood irrigation, but that method wasted a lot of water through runoff and evaporation.

By the 1970s, self-propelled “center pivot” irrigation had revolutionized agriculture across the High Plains. These giant wheeled sprinklers rotate in a circle, converting once-square fields of flood-irrigated crops that appear to air travelers from above as a quilt of green circles on a sepia backdrop.

With widespread irrigation, farmers were able to grow more water-intensive crops, such as corn.

Much of the corn grown in western Kansas goes to fatten cattle on feedlots scattered across the prairie.

The corn also goes to ethanol plants that process it into fuel.

The economy grew as prices and production went up, but water levels dropped.

Over the years, there have been multiple attempts to address the rapid decline of the aquifer. Water rights holders in much of western Kansas had to install flow meters in all their wells starting in the mid-1990s. Soon all wells in Kansas will have to be metered. The state government has stopped issuing new permits to pump water from the Ogallala in areas of western Kansas where water levels have dropped the most.

Now Gov. Sam Brownback has pledged to make water policy a central pillar of his administration. The final draft of his 50-year “water vision” for the state, released in January, outlines an incentive- and education-based approach focused on encouraging voluntary, coordinated conservation efforts by the farmers who have the most to lose by the aquifer’s decline.

So far, however, farmers have agreed to limit water use in just part of two northwestern counties. A group of farmers in Sheridan and Thomas counties established a local enhanced management area, or LEMA, in 2012 to cut water use by 20 percent over five years.

It seems to be working. In the first year, participants in the LEMA used about 2.5 inches less water for irrigation than their neighbors and produced just two bushels less per acre, on average.

A proposal to create another LEMA in west-central Kansas was voted down last year by water rights holders.

“The problem is everybody wants to be democratic, and you have people for and you have some people against,” said Bill Golden, an agricultural economist at Kansas State.

It isn’t easy to convince individuals to put their profits at risk to preserve a common resource, especially when some farmers have more water left than others, Golden said.

“But I think that we will probably see more LEMAs in the coming years,” he said. “That is the most acceptable answer. I mean, we’re going to run out of water. Nobody’s talking about saving the aquifer and not using the water. The question is, can we extend the life of the aquifer and make it a soft landing?”

For now, that leaves individual farmers making their own decisions about how best to manage water on their land.

Ten miles east of Peterson’s farm, in Grant County, Kan., Clay Scott parked his Dodge pickup on a country road and reached for his iPad.

A few hundred feet away, a solar panel planted in a field of wheat powered a probe that measures soil moisture at different depths.

The probe told Scott’s iPad that he could hold off watering the field. His sprinklers lay idle.

“People think that we waste our water out here,” Scott said, “and we just kind of grin because we work so hard to use that water.”

In addition to the soil moisture probes linked to his iPad, Scott consults satellites and radar data to track every shift in the weather and drop of rain that falls in his fields so he can minimize irrigation. He uses low-till techniques to preserve the soil and experiments with genetically engineered drought-resistant corn. He installed more efficient nozzles on his center pivot sprinklers.

And he’s trying out a new device called a “dragon line” that drags perforated hoses behind a center pivot to deposit water directly on the ground, reducing pooling and evaporation.

Scott’s version of high-tech farming would be unrecognizable to his great-grandfather, who homesteaded in nearby Stanton County around the turn of the century.

Still, despite all his efforts, Scott knows there will come a day — sooner rather than later if nothing is done — when irrigation is no longer viable in this part of Kansas.

The effects of the depleted aquifer already can be felt on Scott’s farm, where he has had to reduce irrigation by 25 percent.

Some of his two dozen wells are pumping just 150 gallons per minute now, down from thousands of gallons per minute when they were first drilled. And as the water table drops, the energy costs of pumping from deeper underground have become higher than the cash rents Scott pays on the fields he leases.

“We’ve gone through periods where we redrilled and tapped all but the very lowest water,” Scott said. “There are places we don’t pump the wells anymore.”

As an elected board member for the local Groundwater Management District, Scott hopes that he’ll be able to shape conservation policies that will enable his children to continue farming after him. He sees the situation in California, where the state has forced farmers to cut water use, as a cautionary tale. If farmers in Kansas don’t find ways to conserve enough water on their own, the state could enforce water rationing.

“I’ve got three boys, and a couple of them have already talked very seriously about coming back to the farm, and I’d like them to have the opportunity and ability that I’ve had to grow crops and livestock, even in a drought,” he said.

Scott’s long-term hopes rest in the construction of an $18 billion aqueduct that would import high flows off the Missouri River to water crops grown in western Kansas.

As conceived by the U.S. Army Corps of Engineers, the concrete ditch would stretch 360 miles from east to west across Kansas with 16 lift stations and massive reservoirs on each end. The proposal was met with opposition — and not a little ridicule — by the Legislature in Topeka as state lawmakers struggled to close a $400 million budget hole.

“We’re not working on it at this point,” Earl Lewis, assistant director of the Kansas Water Office, said in an interview.

Gov. Jay Nixon of Missouri dismissed the aqueduct as a “harebrained” scheme that would divert river water needed for barge traffic and municipal use.

But in western Kansas, it’s not seen as such a crazy idea.

“When they’re flooding in the Missouri River and cities are sandbagging, it sure seems to us like we have an answer to their problems,” Scott said. “Nobody wants to build a house and see it flooded. Nobody wants to plant a field and watch it wither.”

Fervent support for the project speaks to the urgency felt by Scott, Peterson and other farmers and ranchers whose livelihoods and communities depend on irrigation. They’re hoping to convince the federal government to kick in funds for the aqueduct. And they’re looking into the possibility of building it through a public-private partnership, like a toll road. Farming cooperatives in California and Colorado have expressed interest in the project, they say, and want to explore extending it farther west.

A federal engineering bailout for western Kansas isn’t very likely, however.

Sen. Pat Roberts of Kansas, the Republican chairman of the Senate Agriculture Committee, said in an interview that such a costly project would be a nonstarter under Congress’ current budget caps.

“In all honestly, it’s a front-burner issue for folks in southwest Kansas, but to build that kind of aqueduct would be billions of dollars, and I just don’t think that’s feasible at this point,” Roberts said.

Barring the construction of an aqueduct, rural communities that depend on the Ogallala face a bleak future.

The state would have to cut its irrigated acres in half today to get anywhere close to sustainability, said Golden, the agricultural economist from Kansas State.

But it isn’t as simple as turning off the sprinklers.

“People survived out here on dryland farming. I can do it,” Peterson said, using the term “dryland” to refer to growing crops without irrigation. “Here’s the cost: My community is going to wither away.”

An irrigated field in southwest Kansas produces more than eight times as much corn per acre on average than a field that isn’t irrigated, according to the Kansas Department of Agriculture. Land values would drop. The loss of equity and tax base would mean fewer farmers and bigger farms, consolidated school districts and impoverished towns with declining populations.

Like any economy dependent on mining a finite resource, this one is headed for a bust, and the farmers know it.

“We can’t wait another 30 years to get our policy right,” Scott said. “The drought in California is showing what living in denial can do.”

To reach Lindsay Wise, call 202-383-6007 or send email to lwise@mcclatchydc.com.

The numbers

▪ Irrigation accounts for about 85 percent of water use in Kansas.

▪ Per capita water usage is 274 gallons a day in western Kansas, compared with 98 gallons in eastern Kansas.

▪ There are 1.5 million acres of irrigated farmland in southwestern Kansas.

▪ 90 percent of all water used in Kansas is pumped from underground.

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Discussion Questions:

1) Describe the situation with the famers in terms of using a common property resource.
2) Can this problem be resolved?
3) What recommendations do you make?
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            Natural resources can be identified as things that are conjoined with other elements to produce the things that are required. Despite this, resources are scarce thus associated with the incapable nature of meeting the needs of everyone (Mishra). Therefore the scarcity creates an economic problem. Despite this, resources are congestible whereby when it is used for one purpose, it cannot be used for another purpose. The scarce nature of resources is encountered by the farmers whereby the aquifer has been stretched by far to meet their irrigation needs. Despite this, he congestible resources are characterized by having zero price. Thus everybody with the society is presented with the opportunity of tapping the resource…………………………….

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