Latest News
Get the latest on community news and events, see what the RiverWatch team is up to, and read our once-yearly publication called The Flow.
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Latest
Activities, News & Events
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Special Projects: Ways to Get Involved
There are many ways to be part of the work on the Santa Cruz River. Whether you have a morning a month or an afternoon a year, these are the projects where help is most needed right now. RiverWatch Join our RiverWatch team for monthly water sampling from Ruby Road to Tubac Bridge. This is…
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Amigo de Rio Report (Ben’s activities)
Amigo de Rio Report from FOSCR President Emeritus – Chief Scientific/Technical Advisor Ben Lomeli Ben’s recent activities on behalf of the river have included:
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Recent FOSCR Board Member Changes
Ben Lomeli, FOSCR President for many years has retired from the Board as of January 2026 Nohe Garcia, Board Vice President and Wendy Islas, Board member at large, have resigned from the Board as of February 2026. Current Board Members: NEW BOARD MEMBERS We are looking for new Board Members willing to meet once a…
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The Nogales Treatment Plant and the River’s Flow
Treated wastewater from the Federally owned and operated Nogales International Wastewater Treatment Facility (NIWTP), located in Rio Rico, is the only reason the river flows much of the year from Rio Rico to Tubac. This facility must be maintained to the highest degree possible. Why the river depends on effluent The Santa Cruz River is…
In the News
Recent news articles related to the Santa Cruz River.
RiverWatch
River Health & RiverWatch Team Updates
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RiverWatch Update: June 24th 2025
During FOSCR’s regularly scheduled River Watch data collection on the early, clear, calm, humid, warm, and sunny morning of June 24th, the Santa Cruz River was again dry at Chavez Siding Crossing, (our most downstream sampling site). The upstream USGS stream gauge at Tubac Bridge, (0948740), was also still dry again. Therefore, no GPS/KMZ file…
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RiverWatch team receives Arizona Department of Environmental Quality’s 2024 Environmental Ambassador Award
Our RiverWatch team received Arizona Department of Environmental Quality’s 2024 Environmental Ambassador Award! Arizona Department of Environmental Quality (ADEQ) created this award in 2022, and it is the only award given to an organization, business, or individual outside of ADEQ. It recognizes exceptional environmental stewardship and sustainability. Audrey Ridge, ADEQ Community Science Coordinator (Lead for…
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Community Clean-Up January 27th
Community Clean-up of a Big River-borne Trash Pile Sponsored by Friends of the Santa Cruz River WHEN: Saturday, January 27, 9 AM to 12:30 PM WHERE: Behind the Tumacacori Mesquite Sawmill in Carmen, between Tubac and Tumacacori, #2007 East Frontage Road DETAILS: wear long pants, sturdy shoes, gloves, hat. Bring a reusable water bottle please!Warning:…
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FOSCR Statement on the Recent Rupture of the IOI
Friends of the Santa Cruz River has been concerned for some time that the binational sewage pipe, the International Outfall Interceptor (IOI), could be breached by floods in the Nogales Wash under which it lies. A pipe break would spill raw sewage into the communities of Nogales, Rio Rico, Tubac and further north along the…
Our Annual Publication
Read The Flow
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The Flow: 2025
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The Flow: 2024
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The Flow: 2023
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The Flow: 2021
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