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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News & Events
Community News & Events
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EcoFiesta ’26
Welcome to Earth Week! April 18, 2026, 10 am. to 2 p.m.Nogales Recreation Center1500 N. Hohokam Dr, Nogales, AZ 85621 Kid and Youth-CenteredFree Event, including LunchHands-on activitiesFun for families and kids of all ages! Sponsored by: The Calabasas Alliance/La Alianza Calabasasrlucky@calabasasalliance.orghttps://www.calabasasalliance.org/ Download formatted PDF
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Free Tire Collection Program
Don’t Dump Tires. Recycle Them. Do you have old tires to dispose of? Santa Cruz County offers a free tire collection program to help keep our community clean and prevent illegal dumping. Location Rio Rico Landfill All loads must weigh in at the truck scale before disposal. Not Accepted: No large truck tires or Semi-truck…
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Apply to Join the Board
Friends of the Santa Cruz River (FOSCR) overarching mission is to collaborate with conservation scientists and private and non-profit organizations, in addition to government agencies and the public to protect and restore the Santa Cruz River and associated watersheds while inspiring stewardship of our precious and fragile natural ecosystems. For more than two decades, FOSCR…
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Save the Date! February 7, 2026 Santa Cruz River Clean Up
Santa Cruz River Clean Up! SATURDAY, FEBRUARY 7, 2026—9AM to 12PM LOCATION DETAILS COMING VERY SOON Everyone is Welcome! Company Teams, Clubs, Schools, Individuals Lunch, Music and More!
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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