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Conservationists are proposing to categorize water end-use according to whether or not it is essential. What makes it politically (and economically) interesting is that non-essential water use could then be targeted for bans (with potential grave economic consequences). Is the concept of essential water use in agriculture developed as much as the corresponding concept for population centers?

For example, for population centers, drinking, cooking, and washing are essential, while lawns are considered non-essential.

Is there a corresponding concept for agricultural water use? I.e., a category that includes fresh lettuce, bell peppers, and fruits that are consumed fresh, while excluding dry goods and fruits used to make dried fruits, distillates, and juice concentrate? The idea is that importing non-essential goods from wet states would pose minimal lifestyle disruption (and unlike banning living lawns, importing non-essential agricultural goods would likely be economic and environmental wins as well).

I am just looking to understand how the conservationists think about agriculture.

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    This hasnt been figured out yet. Farmers & agriculture, are traditionally some of the most cosseted and subsidized economic actors in Western societies. CA farmers have had special water drawing rights forever, which would probably be difficult to untangle, legally, without expending some major political capital. Drought is only now starting to really, really, bite. Expect years and decades of adjustments, and before that, a lot of bandying around of essential by pro-farming groups. That said, some of CA crops would indeed be hard to grow elsewhere Welcome to climate change reality Sep 5 at 21:21

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This is badly framed question from a political perspective. California prides itself (or at least its farming communities do) for providing 1/4 of the (domestically produced, I assume) food for the US (although TBH I'm not sure how that is measured exactly), but WaPo is happy to cite the USGS on this, which says:

Using fewer than 1% of U.S. farmland, the Central Valley supplies 8% of U.S. agricultural output (by value) and produces 1/4 of the Nation's food, including 40% of the Nation's fruits, nuts, and other table foods.

Pride aside, when crops fail, farmers lose their income, and can lose their land. That's a lot more of a "voting emergency" than if someone's house value drops a bit due a dry lawn, e.g.

According to a UC Merced study conducted for the state, California farmers left nearly 400,000 acres of agricultural land unplanted last year due to a lack of water. The result, the study found, was a direct economic cost to farmers of $1.1 billion and the loss of nearly 9,000 agricultural jobs.

According to the WaPo article in many of those areas, the alternatives (right now) are... jobs in the prison system.

And yeah, some measures were taken that in the long will cut down agriculture in CA:

In 2014, the state legislature passed a law that requires water districts to eliminate any “overdraft” in pumping — removing ground water faster than it can be replenished — within two decades of its passage.

[...] a senior research scholar at Stanford’s Woods Institute for the Environment [said] “We’re going to end up fallowing millions of acres, so politically what does that look like? [...]”

Basically CA has decided not to farm more than it has water, i.e. no water imports in the long run (20 years). That's generally the kind of time frame you can do "structural adjustments" in agriculture (although in some cases such adjustments can be cut down to 5-10 years time frames).


Regarding "essential crops", it doesn't look like CA has such a def, leaving it to the market to sort it out in that regard, e.g.

Another crop that can thrive in extreme heat? Afalfa. [...]

Alfalfa is what dairy cows eat and California is big in dairy production. Dairy products and milk are valuable commodities, pulling in close to $7.5 billion per year but, in a drought, many people question whether crops like alfalfa should be grown here. [...]

[UC Riverside economist] Thornberg points out how 16 percent of the alfalfa grown in California is shipped all the way to Saudi Arabia to feed the dairy cattle in that desert realm. The irony? Saudi Arabia banned growing alfalfa because of water shortages there.

As for which farms get the water...

"In Western water law, you have 'first in use, first in right,'" [an alfalfa grower in Blythe] said.

Apparently some Saudi and UAE companies even bought land in CA based on this "first dibs" water rights laws (which seemingly transmit endlessly to new owners). 10% of those alfalfa exports back to their own countries apparently comes from land thus purchased in CA.

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  • Overdraft pumping is a good example... is that about the extent of non-essential agriculture? So you're saying that there's not really some product category, in the same way as lawn irrigation is considered non-essential as a category? But I'll happily accept that as an answer, if nothing bigger comes along. Sep 5 at 19:01

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