Colorado River shortage looming because Lower Basin is using too much water

tl;dr The Lower Colorado River Basin has gotten 10 million acre feet of “bonus water” since 2000, above and beyond its entitlement under the Colorado River Compact. But we’re about to have a formal shortage declaration because the Lower Basin keeps using more water than it perhaps ought to. (bad words in earlier draft deleted) …

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For central Arizona farmers, coming to terms with the reality that a Colorado River allocation is not an entitlement

As Arizona wrestles with the reality that its Colorado River supply as measured in actual wet water rather than the “paper water” doled out by the Law of the River, we’re getting a lesson in the difference between an “allocation” of Colorado River water and an “entitlement”. The place to watch this play out right …

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New USBR modeling suggests a bigger risk of Colorado River shortage than y’all might think

The conventional calculation of Colorado River shortage risk, which people like me frequently report, shows a 51 percent chance of Lake Mead dropping into “shortage”, below the magic trip line of elevation 1,075 at which mandatory cutbacks kick in, in 2020. But a new approach to modeling risk, which lots of folks (*cough* me *cough*) …

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Rio Grande at Embudo – “slouching towards intermittency”

A shape with lion body and the head of a man, A gaze blank and pitiless as the sun, Is moving its slow thighs, while all about it Reel shadows of the indignant desert birds. – William Butler Yeats A friend sent me a note last night with the memorable subject line – “slouching towards …

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