2040 Vision

Stategic Framework Cover

Strategic Framework

For the last 25 years, we have been successfully helping people in the West build the communities they want to live in while preserving the West that brought them here. Discover our vision for our next 25 years. 

Our Letter to You

Read our 2040 Vision 

Arizona Public Media

 51 Tucson Mountain Park view toward Santa Ritas - Brian P   
I-11 Corridor Initiative

In a recent PBS piece, our Sun Corridor Program Director talks about Sonoran's involvement in the project's development. He goes on to discuss the Environmental Impact Statement process and the critical concept of integrated infrastructure. As always, it is vitally important that stakeholders work together from start to finish.

Watch the Feature


EPA Clean Power Plan

The Sonoran Institute prepares a statement on today's release of the U.S. EPA's Clean Power Rules in order to discuss the platform for our study to be released next month. We will reveal how large-scale solar can do far more in meeting the EPA's emissions targets than originally envisioned in the rule.

Read the News Release

Contacts - Santa Cruz River

Claire Zugmeyer

520.290.0828 x 1143

Ian Dowdy
Sun Corridor Program Director

602.393.4310 x 308

Santa Cruz River Watershed


Santa Cruz River Initiative Overview


View a complete list of publications.

Santa Cruz River Featured Video

Reclaiming an Oasis in the Desert
Tony Paniagua, Arizona Public Media 

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Home Where We Work Arizona Santa Cruz River Researchers Day 2012


Santa Cruz River Researchers' Day 2012 - 4th Annual

Santa Cruz River Researchers' Day is an annual event sponsored by Tumacácori National Historical Park, Sonoran Institute, and Friends of the Santa Cruz River. This annual meeting provides an important opportunity to share updates on new and ongoing regional work pertaining to the Santa Cruz River as well as provide an opportunity for collaboration. Presentations focus on research, monitoring, restoration, and other conservation work along the Santa Cruz River.

Each year a short proceedings is produced including abstracts of work presented, as well as other work in the region that could not be shared at the event. To read about previous Santa Cruz Researchers' Day events, use the links in the Resources - Santa Cruz River section on the right side of the page.

This year's event:

March 29, 2012 from 9:30am - 4:00pm
Joel D. Valdez Main Library - Lower Level Meeting Room
101 N. Stone Ave, Tucson, AZ 85701

 For directions visit the library webpage or download a map and directions (pdf)

2012 Call for Papers - download here (pdf)

2012 Schedule - download here (pdf)

 2012SCRRD Proceedings

2012 Proceedings - download here (pdf)





Indicators of organic contamination in the Lower Santa Cruz River (2.17 MB)
Lief Abrell, University of Arizona, Arizona Laboratory for Emerging Contaminants

Investigating Water Quality in Private Domestic Wells in Santa Cruz County, Arizona (1.87 MB)
Sofia Grigera, University of Arizona

Composting Toilets in Nogales, Sonora: Results of a Pilot Study (411.74 kB)
Carolyn Lipnick, University of Arizona

Indicators of organic contamination in the Lower Santa Cruz River (not available)
Eleanor McCallum, University of Arizona

Conserve to Enhance: An Innovative Pilot Program in Tucson to Conserve Water for the Environment (2.79 MB)
Candice Rupprecht, University of Arizona

Land use matters: Private and public land stewardship efforts moderate the effects of drought and resource consumption on watershed habitat loss (2.32 MB)
Miguel Villarreal, US Geological Survey



Effects of Environmental Amenities and Locational Disamenities on Home Values in the Santa Cruz Watershed: A Hedonic Analysis Using Census Data (199.31 kB)
Gaurav Arora, University of Arizona

Santa Cruz River Conservation Symposium - update and invitation (1.07 MB)
Emily Brott, Sonoran Institute

Update on surface-water-to-groundwater transport of contaminants at Tumacácori National Historical Park (3.76 MB)
James Callegary, US Geological Survey

Modeling Changes in Infiltration in the Lower Santa Cruz River (1.56 MB)
Evan Canfield, Pima County Regional Flood Control District

Annual Total Sediment Load in Santa Cruz River (636.25 kB)
Jennifer Duan, University of Arizona

A River Runs Through It…Usually: Ecosystem Monitoring at Tumacácori NHP 2007 to 2012      (4.34 MB)
Evan Gwilliam, National Park Service Sonoran Desert Network

Historical Changes in the Lower Santa Cruz River (1.25 MB)
Akitsu Kimoto, Pima County Regional Flood Control District

Coping with a String of Nasty Breakups (4.21 MB)
Mark Krieski, Pima County Regional Flood Control District

The Santa Cruz Watershed Ecosystem Portfolio Model (SCWEPM); Progress and Future (6.5 MB)
Laura Norman, US Geological Survey

Avian monitoring and restoration of Esperanza Ranch in the Upper Santa Cruz River Important Bird Area (3.04 MB)
Jennie MacFarland and Kendell Kroesen, Tucson Audubon Society

Hydrological Modeling of a Semi-arid Santa Cruz Basin (1.42 MB)
Rewati Niraula, University of Arizona

Hydrologic Evaluation of the Tres Rios Del Norte Area (2.07 MB)
Frank Postillion, Pima County Regional Flood Control District

The Borderlands Habitat Restoration Initiative (2.43 MB)
Ron Pulliam, University of Georgia

Fate of Emerging Contaminants along the Lower Santa Cruz River, Arizona (1.25 MB)
David Quanrud, University of Arizona