Water Matters!

Utton Transboundary Resources Center

The Utton Transboundary Resources Center’s Water Matters! podcast looks at water and natural resources issues in New Mexico and beyond. Housed at the University of New Mexico School of Law, the Utton Transboundary Resources Center is a state-funded research and public service project that believes in the pursuit of well informed, collaborative solutions to our natural resource challenges. The Utton Transboundary Resources Center’s Sairis Perez-Gomez designed the podcast logo and wrote and performed our theme music and Student Research Assistant Francesca Glaspell produced this episode.

Rin Tara is a staff attorney specializing in water policy and governance at the Utton Transboundary Resources Center. They are primarily interested in questions of water management in the face of climate change. They have done work in riparian restoration, river connectivity, tribal water sovereignty, climate change adaptation, and water rights. They have authored several papers on topics related to the future of western water management.

John Fleck is Writer in Residence at the Utton Transboundary Resources Center, University of New Mexico School of Law; and Professor of Practice in Water Policy and Governance in the University of New Mexico Department of Economics. The former director of the University of New Mexico’s Water Resources Program, he is the author of four books on water in the west, including the forthcoming history of Albuquerque’s relationship with the Rio Grande – Ribbons of Green: The Rio Grande and the Making of a Modern American City.

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Wednesday · 9 min
Water Update (08/26/26)
A Search for Silver Linings The water numbers remain grim in this week’s Water Update, with 97 miles of drying in the New Mexico’s Middle Rio Grande, which is not a record large number only because it rained enough to drop this week’s number beneath last week’s 100 miles of drying. But Rin Tara and John Fleck soldier on, searching for signs of hope in an otherwise grim water situation: Money for Albuquerque’s aquifer storage and recovery project Tortugas Dam rehabilitation project New Mexico Water Planning guidelines Project Jupiter groundwater pumping ruling Nevada sues federal government over Colorado River plan Tarantula migration
August 21 · 36 min
16: Discussing the Post-2026 FEIS with the Wilburys vol. I
Guests: Kathryn Sorensen and Jack Schmidt This week Rin Tara and John Fleck are joined by friends and colleagues Kathryn Sorensen and Jack Schmidt – members of the group that journalist Allen Best dubbed The Traveling Wilburys of the Colorado River – to talk about the future of management of the Colorado River. Tara, Fleck, Sorensen, and Schmidt – along with fellow Wilburys Anne Castle and Eric Kuhn – have been collaborating for a number of years on analysis and recommendations for Colorado River management as reservoir levels drop toward record lows. In this episode, they lay out the details of the federal government’s newest analysis of future management options as the southwestern United States and northwestern Mexico copes with the dramatic impact of aridification – drought made worse by climate change. Further information: Department of Interior Final Environmental Impact Statement on future operations of the Colorado River Lake Powell and Lake Mead reach record lows The most recent Wilburys report: Colorado River Basin Storage Continues Slide Toward System Crash
August 12 · 22 min
Water Update (08/12/2026)
A Dry Year Gets Drier This week Rin Tara and John Fleck do their best to find hope, but in a year this dry it takes more work. Note that at the time of posting this episode, the Frijoles Fire has grown to 7,794 acres. Via John and Utah State’s Jack Schmidt, Lake Mead and Lake Powell continue their decline toward the lowest levels since the reservoirs were first built in the 1930s (Mead) and 1960s (Powell). The latest forecast for the coming Super El Niño: lots of winter precipitation for California and Arizona, meh for the Upper Colorado and Upper Rio Grande basins The greening of the bosque downstream of Albuquerque’s wastewater treatment plant, via the Aug. 8, 2026 overflight of the European Space Agency’s Sentinel satellite
July 29 · 13 min
Water Update (07/29/26)
It rained! On this week’s water update, Rin Tara and John Fleck talk about the joy of a summer rainstorm, as Albuquerque was drenched by a monsoon storm Friday, July 24*, wetting the Rio Grande and providing a burst of flow in otherwise dry valley irrigation ditches. *The storm we are talking about occurred on 7/24, but the Middle Rio Grande got another storm yesterday (7/28) that also dropped some moisture. In other news: El Niño is strengthening Doña Ana County uranium drinking water contamination Harmful algal blooms New Mexico ISC draft water planning guidelines survey Stationarity is Dead (the classic Science paper on how, in water management, climate change changes everything) Ribbons of Green, (John’s book)
July 17 · 34 min
15: John Fleck on Tending the Middle Rio Grande Garden
In this week’s Water Matters, John Fleck switches from the host’s chair to the guest’s chair (it’s really the same chair) as co-host Rin Tara sits down with him to talk about the new book he and Bob Berrens wrote, Ribbons of Green: The Rio Grande and the Making of Modern Albuquerque. From Voltaire’s Candide to the myth of a lost Garden of Eden on the Rio Grande Valley floor, Rin and John talk about how the effort to manage a river shaped the modern garden Albuquerque has become, and what lessons the process might have for the challenges our community faces in a climate changed world.
July 9 · 17 min
Water Update (07/09/26)
Lots of news on this week’s Water Matters. Kelsey Fendler rows the Pacific (paywalled) Mark Olalde, Alex Hager, and Sharon Chischilly on the Northeastern Arizona water settlement Algal blooms at Clayton Lake, but also dinosaur tracks! Santa Clara raises its water rates High tech fire detection in Albuquerque’s bosque Roswell water quality report Heather Sackett on Colorado West Slope lawmakers breaking from their state’s tough stance on Colorado River negotiations New Mexico gets a new Colorado River negotiator Inciweb for the latest fire updates
June 24 · 12 min
Water Update (06/24/26)
Hunting for signs of hope in a hot, dry June With a high pressure system parked over the Four Corners, Albuquerque has been hot and dry, and in this week’s episode Rin Tara and John Fleck don’t shy away from the bad water news weighing on New Mexico: Total flow on the Rio Grande at Otowi so far this year is the lowest it has been since 1904 81 miles of the Rio Grande’s main channel between Otowi and San Marcial is dry The federal government has stopped paying to monitor the Rio Grande for Los Alamos National Laboratory contamination at Santa Fe’s Buckman diversion But they also see hopeful signs: Forecasters say odds favor a wet summer monsoon season, the July-September period that brings afternoon thunderstorms to Albuquerque While the Rio Grande’s main channel is dry through large stretches of Albuquerque, the Middle Rio Grande Conservancy district was able to capture some of the flow from recent rains to deliver water to irrigators in and around Albuquerque Delivering water to Middle Rio Grande Conservancy District outfalls to keep a bit of water flowing in the Rio Grande’s main channel Other links and news of note: Restoring the headwaters Albuquerque’s drinking water quality report Surface water quality standards
June 19 · 29 min
14: A “Super” El Niño is coming. What does it mean for New Mexico?
Guest: Aidan Manning This week Rin Tara and John Fleck are joined by Aidan Manning from New Mexico Wild’s Rivers and Waters Program to talk about El Niño and what it means for New Mexico’s weather and climate. Dr. Manning explains how a shift in temperatures in the equatorial Pacific can have big impacts on the patterns of wet and dry weather, tipping the odds Since Rin, John, and Aidan recorded this conversation, the forecasts have been updated. Odds of a moderate or stronger El Nino are up to a staggering 98% for the winter, with a 63% chance of a very strong event. But Dr. Manning points out the risk of misinterpreting what that means. El Niño tips the odds toward a wet winter across the southwest, but a stronger El Niño doesn’t necessarily translate to a wetter winter. And for the larger river basin communities New Mexico is a part of, El Niño generally doesn’t translate into odds of a wetter winter in the Upper Colorado River Basin, which is crucial for the West’s water supplies. To follow the development of El Niño: · NOAA’s El Niño/La Niña background · NOAA’s official ENSO tracking · Relative Oceanic Niño Index · Mulitivariate ENSO Index
June 10 · 10 min
Water Update (06/10/26)
A Drying Rio Grande This week Rin Tara and John Fleck provide an update on the increasingly dry conditions on New Mexico’s central river system, where flows on the Rio Grande at Albuquerque dropped to zero June 3 and are likely to stay that way until the valley receives monsoon rains. By one measure, flow into the Middle Rio Grande Valley is the lowest ever recorded, with streamflow records going back to 1895. But if you want to see water, they provide hope in an odd place – Albuquerque’s wastewater treatment plant outfall, a reminder that “wastewater” is not actually being wasted when we return it to the river. Also: · Pollinator kits · Texas v. New Mexico lawsuit settlement · Pollinator Day at the Albuquerque Open Space Visitors Center John’s book Ribbons of Green
#13
May 22 · 19 min
13: Managing the Water in a Very Tough Year
Guest: Anne Marken Anne Marken gets up every morning and looks at snowpack data and river flow numbers. As the Middle Rio Grande Conservancy District’s River Operations and Telemetry Manager, it’s Marken’s job to marshal the Rio Grande’s precious water through New Mexico’s Middle Valley, juggling a dizzying array of competing needs, interests and values. In this week’s Water Matters, Anne talks with Rin Tara and John Fleck about what that means in this most difficult of water years, with declining river flows, little upstream reservoir storage to make up for the snowpack’s shortcomings, and one of the warmest springs on record. If you’re interested in the latest on river flows, you can do no better than Anne’s monthly report to the Conservancy District Board. In this episode of Water Matters, Anne talks about how she thinks about managing water in a difficult year like this. If you’re interested in more information: · Irrigators information meetings May 28 – June 24 · MRGCD’s real time river and irrigation system flow data And, to quote Marken’s monthly request, with which she ends her report to her board, “Pray for rain.”
May 20 · 9 min
Water Update (05/20/26)
For the May 20 Water Update, Rin and John step away from discussing the bleak water numbers and take some time to talk about the moral obligation of hope, municipal water system resilience, flows for the Rio Grande silvery minnow, and some remarks from the recent NM Water Dialogue. For further reading: http://mariafarrell.com/ https://www.abcwua.org/wp-content/uploads/Your_Drinking_Water-PDFs/Water_2120_Volume_I.pdf https://www.phoenix.gov/content/dam/phoenix/waterservicessite/documents/2021_drought_management_plan_final.pdf
May 6 · 13 min
Water Update (05/06/26)
In this week’s Water Matters, Rin Tara and John Fleck talk about the delightfully named “jiggle,” a series of pulses released from Isleta Diversion Dam downstream from Albuquerque. It’s a technique valuable in dry years to encourage the spawning of the endangered Rio Grande silvery minnow. And this is a very dry year – the lowest flow ever recorded for late April, for example (when Rin and John recorded this), at the US Geological Survey’s historic Embudo Gage. Links: · A Silver Lining: Interpreting the Endangered Species Act to Envision Management of the Rio Grande Silvery Minnow in a Broader Cultural, Ecological, and Political Context, Rin’s paper on the silvery minnow in the UCLA Journal of Environmental Law and Policy · Ribbons of Green, John’s new book with Bob Berrens about the history of Albuquerque’s relationship with the Rio Grande.
April 22 · 11 min
Water Update (04/22/26)
There is no way to sugar coat the bad water news pill as 2026 enters what should be the rising limb of the runoff season, as Rin Tara and John Fleck report in this week's water update. Consider: Flow at Embudo, on the Rio Grande upstream from Española, is at its second lowest level for this point in the year in a record that, with a few gaps in the record in the early 20th century, goes back to the late 1800s. Flow at the the USGS Albuquerque gage is the lowest it has been at this point in the year in half a century. With the snowpack in the Rio Grande headwaters nearly melted out, the Rio Grande flowing out of the mountains at Del Norte in Colorado may already have peaked. It doesn't usually peak until June. Flow on the Gila in Southern New Mexico is the lowest it has been at this point in the year since record keeping began in 1928. And yet... Rin went hiking over the weekend in the Gila and saw Painted Redstarts and a whole lot more, and John rode his bike down to Albuquerque bosque (a map to Albuquerque's delightful "Glass Garden here), where the cottonwoods are greening up. Both rivers - the Gila and the Rio Grande - were low but still lovely.
April 17 · 25 min
12: Tucker Davidson on Birds and Hope
Guest: Tucker Davidson It seemed unfair – asking Tucker Davidson to name his favorite bird. A senior water associate at Audubon Southwest, Davidson is a hopeless bird nerd – pulling out his binoculars as he drives Rio Grande levee roads and walks through Albuquerque’s bosque. Davidson joins Rin Tara and John Fleck to talk about the birds he loves, the places he loves, and how you can turn to birds to bring hope as drought and climate change dry New Mexico’s rivers. And you, too, can visit some of his favorite places in New Mexico’s Middle Rio Grande Valley: - The Rio Grande Nature Center - Albuquerque’s Open Space Visitor’s Center (especially the pond out by the parking lot, which Tucker and his Audubon colleagues help supply with water) - The ponds in the bosque near Tingley Beach - For the dirt-road adventurous, the “River Mile 60” area near Fort Craig - Any farm road around the valley, especially after irrigation. The birds love it. Tucker’s birding bottom line: look for places where the water slows down.
April 8 · 6 min
Water Update (04/08/26)
Water Update: a shrinking Colorado River forecast A declining runoff forecast for the Colorado River Basin means a tough year for water users as the Bureau of Reclamation juggles competing needs. Expect low releases in 2026 from Glen Canyon Dam, which means lower levels at Lake Mead this year, and efforts to move water downstream from Flaming Gorge Reservoir on the Utah-Wyoming Border to prop up reservoir levels at Lake Powell, behind Glen Canyon Dam. On the Rio Grande, flows remain low, the snowpack is almost completely melted, irrigators can expect another dry year with reduced supplies for locally grown crops, and we should expect the Rio Grande to dry again this year through Albuquerque.
#11
March 27 · 43 min
11: The Proposed Settlement of Texas v. New Mexico on the Rio Grande
Guest: Phil King With a final agreement in sight that would settle Texas's 13-year-old lawsuit against New Mexico over water use on the Rio Grande, Rin Tara and John Fleck and joined by Phil King, retired New Mexico State University professor and one of the experts who has been helping sort out the complex details of the agreement. In the lawsuit, Texas charged that New Mexico's groundwater pumping was depriving Texas communities of water to which it was entitled under the 1938 Rio Grande Compact, an agreement dividing the Rio Grande's water among Colorado, New Mexico, and Texas. King explains how the proposed settlement would create a new way of measuring the flow of the Rio Grande from New Mexico to Texas, and require the retirement of agricultural land in Southern New Mexico as part of an effort to bring water use in line with available supply. The proposed settlement has won preliminary approval from the "special master" who has been advising the Supreme Court of the United States on the case, with final action on the agreement possible later this year
March 11 · 10 min
Water Update (03/11/26)
With irrigation water flowing through the irrigation ditches of New Mexico’s Middle Rio Grande Valley, Rin Tara and John Fleck look at the latest snowpack numbers, river flows, and the remarkable temperatures Albuquerque has seen over the fall and winter of 2025-26. Links: USGS Albuquerque gage (Why do they spell it “gage” instead of “gauge”?) Snowpack reports Statewide Comprehensive Outdoor Recreation Plan (SCORP!) Utton’s Rio Grande Basin Documentary The European Space Agency’s Copernicus Browser, for the latest satellite data Albuquerque temperature data from xmACIS
February 26 · 12 min
Water Update (02/25/26)
The latest round of storms helped the snowpack in New Mexico’s headwaters rivers a little, but we’re so far behind that we still should expect to see a dry Rio Grande through central New Mexico this summer. In this week’s Water Update, the Utton Center’s Rin Tara and John Fleck take a look at the snowpack, the runoff forecasts, and the latest reservoir storage numbers. Spoiler alert: they’re not good. But despite the bad news, both Tara and Fleck managed to get out to the river and find joy in what we’ve got. Correction: Aldo Leopold was the Secretary of the ABQ Chamber of Commerce from 1917-1919, not a member of City Council. Show notes links: · Colorado River Post-2026 management Environmental Impact Statement process · Snowpack maps · Streamflow at Albuquerque
#10
February 23 · 18 min
10: Mapping Aquifers with the NMBGMR
Guest: Stacy Timmons, Associate Director for Hydrology Programs at the New Mexico Bureau of Geology and Mineral Resources When the New Mexico legislature approved the Water Data Act in 2019, the state turned to Stacy Timmons to turn an idea into useful data tools to help communities around New Mexico manage a future with less water. Operating out of a third-floor office of the New Mexico Bureau of Geology building on the New Mexico Tech campus in Socorro, Timmons oversees the bureau’s efforts to figure out what sort of data communities need, and to help them get it - or get access to the myriad different kinds of data already being collected, turning it into useful tools. The program’s latest project is using aerial surveys to measure water beneath the ground in places where there are not enough measurement wells to give communities the data they need to manage their aquifers. On this edition of Water Matters, Rin Tara and John Fleck talk with Timmons about groundwater measurement, aerial surveys, the importance of good data to support good decisions, and the joys of running along ditchbanks think about the water around us.
February 12 · 12 min
Water Update (02/11/26)
The snowpack and runoff forecasts for New Mexico’s rivers have begun conjuring up stories about the epically dry 2002. On this week’s episode, Rin Tara and John Fleck talk about the forecast, and the comparison. On the Rio Grande, the Natural Resources Conservation Service is forecasting just 35 percent of median runoff at Otowi, in north-central New Mexico, with very little water at all making it down past San Marcial downstream from Socorro. One big difference between 2002 and this year: in 2002, New Mexicans had a lot of water banked in upstream storage to keep the Rio Grande flowing during the dry summer months. “Only thing that allowed us to manage thru the year was releases of water stored in previous years. If this dryness continues, with no storage to speak of, 2026 will be a very difficult year of water management/flows and, unfortunately, possibly fires,” Rolf Schmidt-Petersen, retired New Mexico Interstate Stream Commission chief, wrote in the comments on John’s blog. John posted a graph on his blog showing the comparison between 2002 storage and today. Also on the latest episode: Rin talks with us about their conversation with Alex Hager at KJZZ in Pheonix about the possibility of a short-term agreement on Colorado River management as a federal deadline looms.] A pitch to join Utton and the broader New Mexico water community for a screening of Rio Grande Basin in New Mexico, a film by the Utton Center. March 2, 2026, 5-6:30 p.m. Room 2401, UNM School of Law, 1117 Stanford NE, Albuquerque.

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