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Nation's Largest Reservoirs Are Drying Up, Threatening Life in the Southwest

https://www.nytimes.com/2026/08/17/climate/lake-powell-record-low-colorado.html
21•johntfella•56m ago

Comments

toomuchtodo•47m ago
There is enough water for human consumption, but agriculture is over in the basin. There simply isn’t enough water forward looking for the water intensive crops in question.

https://coloradoriverscience.org/Agricultural_water_use

testing22321•44m ago
It seems more and more likely the next Great War will be fought over water.

As a Canadian, I get nervous when I see the US running out.

onlypassingthru•40m ago
The US is nowhere near running out. Big Ag might have to cut back on growing thirsty crops in the middle of the deserts, though.
hex4def6•38m ago
https://worldpopulationreview.com/country-rankings/fresh-wat...

You have nearly 10 times the freshwater per capita compared to the US. How selfish /s.

Let's thinks of a casus belli. How about something like: "Trillions of gallons of fresh water flow uselessly into the frozen northern seas every year due to Canadian inaction. We are stepping in to build the infrastructure needed to save that water and feed the continent. "

gedy•32m ago
It was a proposal:

https://en.wikipedia.org/wiki/North_American_Water_and_Power...

kibwen•26m ago
It was a political stunt, not a serious proposal.

> The Corps of Engineers studied this project in the 1950s and 1960s, but no official proposal was ever developed.

quickthrowman•23m ago
So was damming the Strait of Gibraltar: https://en.wikipedia.org/wiki/Atlantropa

Both ideas are equally as likely to be implemented.

hex4def6•23m ago
So what you're saying is, we have a blueprint and it's theoretically possible. That makes it worse.

Co-operation from our northern neighbor would be appreciated. But, perhaps, not required, given a thirst great enough.

kibwen•32m ago
Wars will be fought over water, but of all the foolish reasons the US could invade Canada over, water isn't one of them. The US has ample shoreline on every Great Lake, and essentially none of the Mississippi watershed lies north of the border.
onlypassingthru•42m ago
Life will be fine. Exporting alfalfa from the Imperial Valley, however, might be done for.
hnav•12m ago
they'll just start pumping groundwater again which will cause huge earthquakes
jp57•30m ago
The shrinking reservoirs are the immediate result of record-low snowpack this winter, which was erased by record heat in the spring. Melted snowpack creates most of the Colorado’s flow during the dry summer months. But as the Southwestern climate has grown hotter and drier, the river’s flow has become smaller and less reliable.

Legitimate question: I can understand that record-low snowpack would cause less water to flow into the lake, but the "erasure" of the snow pack by heat is just melting that would be captured in the lake, right? So if the record-low snowpack had been followed by record cold, would we have even less water in the lake?

ImPostingOnHN•25m ago
Aside from melting at historically fast levels, the snow itself is at record low levels. Less snow -> less snowpack -> less water.

For data, check out the second visualization here:

https://www.wcc.nrcs.usda.gov/ftpref/support/states/CO/produ...

There's no snowpack left, earlier in the season, because there's way less snow, and it's being consumed faster.

ElectronCharge•23m ago
Good news! The El Nino that's forming is predicted to cause record snowpack in the West this winter...

https://nypost.com/2026/08/16/science/super-el-nino-odds-for...

bix6•9m ago
So long as it goes down as snow instead of rain. Given high current temps (NEP25A) I’m not hopeful but we’ll see.
darth_avocado•22m ago
Who would’ve thought that growing water intensive crops in the middle of the desert and growing cities like Phoenix with suburbs with lush green lawns at a much higher rate than rest of the country was going to be without consequences.
toomuchtodo•6m ago
Just another form of debt we’ve been living off of.
cnity•21m ago
I recommend folks here read "The Dreamt Land" by Mark Arax. I just started it so it might be a premature recommendation, but it has been doing a great job for me as a new California resident of explaining the interaction between business/agriculture and the desert landscape.
throw-the-towel•19m ago
I wonder if I'll live to see the evacuation of Phoenix and Las Vegas. (Or Abu Dhabi, for that matter.)
flybrand•17m ago
When the West was settled it was widely believed that the act of building a town attracted rain. The 'atmosphere' of human buildings in an area would naturally attract and collect rain from the heavens. Many of the original methods used to estimate water, rainfall, and other essentials for human survival were wrong.

Most of them are catalogued in the outstanding Cadillac Desert by Marc Reisner - an excellent book with an outstanding audiobook too.

https://www.amazon.com/Cadillac-Desert-American-Disappearing...

hnav•13m ago
19th century Law of Attraction
Mistletoe•5m ago
This year was the first year I finally realized how things are going to be from now on and only getting worse. I’m a gardener and the plants are having such a tough time, many trees in my neighborhood are already bare from dropping their leaves from the heat. I’ve been looking into just landscaping with native plants moving forward that can handle the heat. I have drip irrigation, but that does nothing when air temps stay above 100 for days on end. The world isn’t prepared for this in any way. What happens when the breadbasket of your country gets like this?
bix6•19m ago
Not all of the erasure is captured. For example, if the ground is dry, than most gets absorbed into soil and won’t make it to the river. Or the snow may sublimate and go straight to vapor at heat.

Record cold would lead to more water. It would melt out fast later and since the soil was already recharged it would flow to rivers.

Worth noting this is generally glacier free landscape so the snow melts fully each year.

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https://www.nytimes.com/2026/08/17/climate/lake-powell-record-low-colorado.html
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