Report Finds Huge Potential for Conservation to End California's Water Crisis
A report released today by California's Pacific Institute estimates that reasonable water conservation improvements on the state's farms could save a huge amount of water--far more than what farmers have been forced to relinquish to protect fish habitat during the state's ongoing drought. The amount that could be saved, 1.8 trillion gallons annually, is more than 15 times the size of the municipal supply of San Francisco.
The report, Sustaining California Agriculture in an Uncertain Future, provides considerable ammunition to environmentalists in their fight with farmers over the West's dwindling water resources. In the midst of the third year of drought in California, growers are blaming endangered species laws for crimping their water supply and contributing to $1 billion in lost revenue this season. Though they've used their plight to call for weakening environmental regulations and building more dams and reservoirs, the report suggests their efforts are misplaced. Smarter conservation has allowed some growers "to increase their income, crop yields, and production, even during drought," says Pacific Institute president Peter Gleick. "Such success stories offer the state a vision of what a healthy agricultural future might look like."
The water conservation methods that the Gleick studied are already in use in the state, though many farmers cling to older practices. For example, 60 percent of crops in California are still irrigated by flooding the field, even though drip irrigation methods can easily halve water use. The report also suggests that farmers apply less water to crops during drought-tolerant growth stages and use sensors that can detect when soil is dry.
These ideas can seem far-removed from our lives until we realize that the products we consume account for more than 90 percent of our daily water use, far more than what comes out of our taps. I explore this idea in "What's Your Water Footprint," a piece in the current issue. The Pacific Institute and other environmental groups eventually hope the concept of a water footprint will catch on much as carbon footprints have. The idea could be used to reward farmers who do the right thing, either with tax breaks, loans, or a premium for the products they sell.
The case for looking at carbon footprints and water footprints together is stronger than ever. A new study from the University of Colorado found that climate change creates a 50 percent chance that the reservoirs supplied by the Colorado River, the West's main water source, could run dry by 2057. And a study released today by UC Davis found that California's $10 billion fruit and nut industry is under threat from higher temperatues, which could make it impossible to grow walnuts, pistacios, peaches, apricots, plums, and cherries almost everywhere in the Central Valley. If that happens, all the water conservation technology in the world probably won't save us.
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Comments
not so fast...
1) Water footprints are too difficult to use (they vary by production process)
2) Farmers are using "outmodeled" methods because it's more profitable.
It would be better to concentrate on incentives (profits) instead of technologies that work some places but not others...
more opinion...
Ok -- I took a look at the report:
http://aguanomics.com/2009/07/department-of-messing-up-farming.html
market failure..
Josh,
1) I do not support more water projects.
2) There is no "market failure" for gov't to "solve" -- farmers capture the costs and benefits of efficiency.
3) The only area where this may not be true is groundwater, and that can be regulated and/or adjudicated at the local level.
4) There is NO market for water, thus no problem of pricing in impacts.
I look forward to reading your blog more often :)
New technologies
Water conservation products have advanced a great deal over the last 20 years. I rememeber when low flow showerheads first came out in the early 90's, the performance was terrible and removing the pressure restrictors was the rage. Now the rage is the latest development in shower head technologies that use even less water than yesterdays models. My favorite 1.5 gpm showerhead is made by High Sierra Showerheads. It works great and really feels like a full flow shower. The single orifice design even eliminates potential plugging.
Footprints...
Josh -- I can't find your email and I don't want to subscribe to leave a simple comment on your footprinting article, so here it is...
On p 57, you say that "water can be parceled out... [farmers] could get loans during dry periods.." etc. These command and control "solutions" are neither solutions, nor efficient. It would be better to allocate water by price AND allow farmers to sell water in dry years. Feel free to email me for more dialogue...
btw, I've met Colburn. Nice guy, but he's definitely into maintaining his business -- not policies that maximize public welfare :)
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My favorite 1.5 gpm
My favorite 1.5 gpm showerhead is made by High Sierra Showerheads
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Ecology must find way to approve irrigation trial
Ecology must find way to approve irrigation trial
We live in a region surrounded by water. Three major rivers come together right in the Tri-Cities. Most of us cross them several times a week.
With all that water flowing past, it seems counterintuitive that there's always a fight when farmers need to draw more water from the rivers.
The state Department of Ecology would tell you it's not that simple, and antiquated water laws support the department's position.
The most recent battle has some interesting twists.
The Columbia-Snake River Irrigators Association and the state made what farmers thought was an agreement to increase the number of irrigated acres of farm land in the Mid-Columbia.
The deal was part of a landmark water bill approved by the Legislature in 2006, but in the four years since, not a single acre of irrigated land has been added, and it looks as if the two sides are more polarized than ever.
The back story is that there had been a decades-long backlog of water rights applications. That legal dispute appeared to be resolved with the much-touted Columbia River Water Management Act in 2006.
The wide-ranging package provided $200 million to create new water supplies for farms and cities in Central and Eastern Washington.
The legislation is doing some good, without a doubt. The state's focus on helping farmers in the Odessa Aquifer promises real results.
But the legislation also allows its members to use water saved through conservation efforts to irrigate new ground.
Farmers around here have long practiced water conservation. While there are economic incentives to use less water, there's also the farmer's role as a good steward of the land. Water conservation offers short- and long-term benefits to farmers.
It isn't rational or equitable to punish farmers for good practices. By making sound farming and good management a detriment to long-term water rights, the law encourages waste. Some irrigators are frustrated enough to consider dropping future conservation efforts.
Farmers can show that best management practices cut water use by at least 17 percent, probably more.
But the state argues that any irrigation water not needed by crops would return to the river anyway, either as runoff or evaporation. Leaving it in the river in the first place, instead of overwatering, doesn't actually save water, according to the argument.
Irrigators don't buy it. Water that's never pumped from the river provides a clear benefit for fish and downstream users. Extra water poured on the field may never get back to the river or percolate through the basalt for centuries, the farmers say.
For their part, the farmers have proposed a pilot project that would allow a few farmers to use half of the water saved by best conservation practices and spread it to new lands.
The Department of Ecology has proved it can find reasons to reject the proposal.
State officials need to instead begin looking for ways to make it happen. Water reforms shouldn't leave irrigated farmers on the Snake and Columbia rivers high and dry.
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