“Super” El Niño meh in the Rio Grande and Colorado River headwaters?

The latest European Centre for Medium-Range Weather Forecasts got some ink/bits for their strong forecast for a wet winter in California (h/t Daniel Swain), but what do they say for us? Sorry for the blocky look, but when you drill down, the map gets pretty coarse – these are big pixels. But the headline is …

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Cracks in the Upper Colorado River Basin wall

People are finally starting to say the quiet parts, the parts so many Upper Basin people have been grumbling about in private, out loud. Via an incredibly important Heather Sackett story: Colorado Sen. Dylan Roberts, a District 8 Democrat who represents several Western Slope counties, including Eagle, Grand, Garfield, Routt and Summit, asked Colorado’s lead …

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Some good Colorado River news, some bad news, and a request for help

A grab bag from my friends and colleagues working on Colorado River issues…. The good news From friend of Inkstain Karl Flessa (the guy who helped get me started thinking about the Colorado River Delta), a new analysis concluding that despite the terrible hydrology and political difficulties, environmental restoration work in the delta is working: …

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2026-05-19: Federal managers increase release for the silvery minnow

Federal water managers yesterday (May 18, 2026) began pushing a pulse of water through New Mexico’s rapidly drying Middle Rio Grande to try to encourage the endangered Rio Grande silvery minnow to spawn. From a note sent ’round to the Bureau’s water management list yesterday by Carolyn Donnelly, water operations supervisor for the bureau’s Albuquerque …

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The Utility of Operationally Neutral and Flexible Conservation Pools in the Colorado River Basin

Nota bene: A guest post from friends of Inkstain John Berggren and Kevin Wheeler John Berggren (Regional Policy Manager, Western Resource Advocates) Kevin Wheeler (Principle, Water Balance Consulting) 5/5/2026 As everyone is well aware, the snowpack and associated runoff this year are truly awful. It will be one of the worst, if not worst, on record. …

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