New Mexico’s Dry Middle Rio Grande: More Data Visualizations

Alert Inkstain reader Rolf asked in the comments of last weekend’s post for a version of the above graph – number of days of low flow at the Central Avenue Bridge – with a threshold above zero. I usually set the threshold at 25, because our experience in the last two drying episodes – 2022 …

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Driest on New Mexico’s Middle Rio Grande since when? 1972? 1964?

I spent some time this morning crunching numbers, trying to make numerical sense of how bad this year is on New Mexico’s Middle Rio Grande. We keep saying it’s only the second time the Rio Grande has dried through Albuquerque since the 1980s, but that felt insufficient. Some data visualization experiments: By this measure – …

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Craig Allen joins us on the Utton Center’s Water Matters! podcast

Formed in a series of volcanic eruptions between 1 and 2 million years ago, the Jemez Mountains dominate the cultural and environmental history of central New Mexico. For more than four decades, forest ecologist Craig Allen has studied them, engaging in what has come to be known as “place-based ecology,” with deep roots in what …

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The 86-pound catfish of Lake San Marcial

If you have ever been to modern San Marcial, New Mexico – or what is left of it – the notion of an 86-pound catfish requires some explanation. The spot where D.C. George hooked his record catfish is today ragged scrubland. But for a brief, shining, extremely odd period of time in the 1940s and …

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USBR Albuquerque staffing update

From USBR Albuquerque office chief Jennifer Faler’s report to the Middle Rio Grande Conservancy District board yesterday (Monday, July 14, 2025). The USBR Albuquerque office has, on paper, a full staffing contingent of 200 FTEs. That’s on paper. Operationally, the actual levels in the past generally hovered around 175. Current staffing level sits at 117 …

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The Rio Grande has gone dry in Albuquerque

The “official” call: the Rio Grande went dry in the Albuquerque reach, just upstream of the city’s wastewater treatment plant (click here for the map), on Sunday evening (July 13, 2025), for only the second time in the 21st century. “Dry” in this case has a formal definition. The thinning ribbons of water you see …

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Rio Grande drying through Albuquerque

The Rio Grande gage at Albuquerque’s Central Avenue Bridge is reading 20.5 cubic feet per second this afternoon (Sunday, July 13). The last time we saw river drying in the Albuquerque reach, back in 2022, 25 cfs at Central wasn’t enough to make it to the wastewater treatment plant outfall, as flows dwindled in the …

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Building a city in the bed of a river

Most of Greater Downtown (Albuquerque) sits below the level of the Rio Grande, like a sort of high-desert New Orleans. Any rain that falls between the river’s east-bank levee and roughly Broadway will stay in the area until it evaporates, gets absorbed into the ground, or is otherwise dealt with. – Downtown Albuquerque News DAN …

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