CHARTING THE HEALTH OF THE UPPER SANTA CRUZ RIVER a living river 2010 Water Year
A Living River – Charting The Health Of The Upper Santa Cruz River (2010 Water Year)

The Living River series began with a baseline study in the 2008 water year (October 1, 2007–September 30, 2008) to assess the health of a 20-mile stretch of the river in Santa Cruz County, Arizona, from Rio Rico to Amado. This third annual Living River report summarizes results from the 2010 water year (October 1, 2009–September 30, 2010).

Dragonfly Day on the Santa Cruz 2023

FREE EVENT / Family friendly Join us for our 5th annual celebration of dragonflies on the Santa Cruz River. There are many ways to learn and explore this year, from a community science… 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 5/20 Cleanup

REGISTER Meet us Saturday, May 20 from 9am to 11am to help keep our river clean! We’ll be parking along Riverside Drive and meeting up at 514 Riverside Dr. Together, we can exceed… 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 ›

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 Cleanup

This Saturday, October 22 from 9 a.m. to 12 p.m., we will be meeting at 4 different locations along the Santa Cruz River to help keep our river flowing clean! Site 1 –… MORE ›

Dragonfly Day on the Santa Cruz 2022

FREE EVENT   Saturday, October 1, Sonoran Institute will again team up with the University of Arizona, Pima County Natural Resources Parks & Recreation, the Town of Marana, and Mission Garden to bring… MORE ›