RIVER GAUGE · SANTA CRUZ RIVER
Santa Cruz River at Cortaro
Pima County, Arizona
Water level8.01 ft
Flow23 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action17.2 ft20,000 cfs
Minor flood18.5 ft30,000 cfs
Moderate flood19.5 ft40,000 cfs
Major flood20.7 ft56,000 cfs
The past week
Loading chart…
What floods at each level
- 20.7 ft
Major flood stage. Homes in far northwest marana downstream of raised levees could see major damage.
- 19.5 ft
Moderate flood stage. Far northwest marana downstream of raised levees threatened. Homes in this area may be evacuated as a precaution. Bridges on Sanders Road, Trico Road, and Trico-marana Road will be closed due to overtopping.
- 18.5 ft
Minor flood stage. Water reaches gravel pits between rillito river and Cortaro Road in northwest tucson. Ina Road bridge closed as a precaution.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 30, 2010 | 16.69 ft | 16,800 cfs |
| Oct 1, 1983 | 16.57 ft | 65,000 cfs |
| Jul 30, 2006 | 15.06 ft | 40,900 cfs |
More on Santa Cruz River
DownstreamSanta Cruz River at Trico Road
Get an alert when Santa Cruz River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.
