Santa Cruz River Program Awards Two RFPs
The Sonoran Institute is pleased to announce the results of the recent Request for Proposals (RFP) process, published on May 7, 2025. After a thorough evaluation based on the established criteria, the… MORE ›
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Here Fishy-Fishy! The 2023 SI fish survey
In late 2023, blue skies and sunshine found Sonoran Institute staff, partners, and friends knee-deep in water for our 16th annual fish survey. Their objective: identify which fish species are currently observed in… MORE ›
Kicking off 2024 on a high note
Beside the looming company of A Mountain, Logan Phillips gathered us in the cool morning air with poetry to welcome and inspire a shared love and appreciation for the Sonoran Desert. Childrens’ laughter… MORE ›
Santa Cruz River Research Days Recap 2023
“I know that a great deal of collaboration that went onto include so many entities – solutions to our environmental problems will only be solved through such collaborative actions. I like facts and… MORE ›
Santa Cruz River Bounces Back – KGUN9
“[Luke] Cole says Pima County voters helped power the recovery by approving a bond issue that helped cover the cost but there’s still more work to be done on a historic river that… MORE ›
WRRC Seminar Series: A Living River – The Santa Cruz River from Mexico to Marana
In February 2023, Sonoran Institute presented at the University of Arizona’s Water Resources Research Center’s Seminar Series. The Santa Cruz River has long been the backbone of the region’s natural and cultural heritage.… MORE ›
A Journey Along the Santa Cruz River Continues
This is part two of a series – read part one here. Here, the journey continues of water along the Santa Cruz River’s course, taken up by a distant cousin by union to… MORE ›
A Journey Along the Santa Cruz River
For many of its miles, the Santa Cruz River is a dry sandy bed inhabited by tough desert creatures and vegetation. From headwaters in the Sky Islands of southeastern Arizona to its confluence… MORE ›
Santa Cruz River Research Days Recap 2022
“The cultural history of the Santa Cruz is a rich, complex, and fascinating one. For starters, the Santa Cruz is the reason we can call Tucson home. And its waters have supported people… MORE ›
Santa Cruz River Ask Me Anything
Last month our Santa Cruz River team was invited to do an Ask Me Anything on the Tucson subreddit. The online group is focused on Tucson-specific issues and news and has more than… MORE ›
Water for the Santa Cruz River Ecosystem
Bringing water from the Conservation Effluent Pool into action. Good news broke last March at Santa Cruz River Research Days: Pima County received approval to permanently allocate water to sustain river flows benefiting… MORE ›
Nearly a Foot of Rain this Monsoon for the Santa Cruz River
By all measures, this year’s monsoon is making up for lost time. Historical records from the Santa Cruz River valley are checkered wildly. One year’s entry marks the river as “full of water”… MORE ›
Trash. It’s pervasive and pernicious.
It’s one of your pet peeves, and ours too! As every visitor to the Santa Cruz River knows, trash is a persistent environmental issue. Our community has long brought up trash as something… MORE ›
A Recap of Research Days
“Many different research projects are working in tandem to create a better environment for the natural world, but also for the one we carve out for ourselves.” Santa Cruz River Research Days brings together… MORE ›
An Update From Our CEO
The Colorado River Gives Life Now we must give life back to the Colorado River. The Colorado River has been a life source for centuries. As the most iconic river in the West,… MORE ›
Native Fish Make Six-mile Journey Down River
When you flush your toilet, you’re helping the recovery of native aquatic species. That may seem strange but let us explain. We’ve written about one of these species here before: the Gila topminnow.… MORE ›
Santa Cruz River Research Days to highlight improvements to infrastructure along the river
Virtual event on Thurs. March 25 and Fri. March 26, 2021 Scientists, artists, resource managers and community leaders will join to share Santa Cruz River research and conservation efforts as well as natural… MORE ›
Capturing our Annual Fish Survey
On November 13, Sonoran Institute coordinated the annual fish survey at four locations along the Santa Cruz to determine which species are currently in the river. This multi-partner effort included staff from Arizona… MORE ›
Helping Gila Topminnow Swim Home
In 2015, we found about a dozen endangered Gila topminnow in the Santa Cruz River near Tubac. If you had told me then, that in 2020 I would help catch hundreds of the… MORE ›
A Living River: Where Community and Nature Meet
Charting Santa Cruz River Conditions from Northwest Tucson to Marana – 2019 Water Year The Santa Cruz River near El Camino Del Cerro and flowing north into Marana, has been improving for almost… MORE ›