Rivers in Arizona

Santa Cruz River at Cortaro

Pima County, ArizonaNWS CSCA3USGS 09486500Tucson office

Below flood stage
8.25ftStage

Observed Mon, Sep 28, 7:45 PM UTC

Flood stage
18.50 ft
Forecast crest
13.31 ftWed, Sep 30, 7:00 AM UTC
Record crest
16.69 ft2010

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.70 ft
Moderate flood19.50 ft
Minor flood18.50 ft
Action17.20 ft
  1. 20.70 ftMajor flood stage. Homes in far northwest marana downstream of raised levees could see major damage.
  2. 19.50 ftModerate 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.
  3. 18.50 ftMinor flood stage. Water reaches gravel pits between rillito river and Cortaro Road in northwest tucson. Ina Road bridge closed as a precaution.

Crest history

17 crests on NOAA’s list since 1940.

#DateStage
1July 31, 201016.69 ft
2October 2, 198316.57 ft
3July 31, 200615.06 ft
4January 19, 199314.60 ft
5July 4, 200913.26 ft
6July 24, 199012.80 ft
7October 10, 197712.20 ft
8December 18, 197811.60 ft
9August 14, 194011.22 ft
10December 22, 196511.20 ft
11August 3, 195511.20 ft
12December 21, 196711.10 ft
13October 23, 200010.64 ft
14August 26, 200310.62 ft
15August 5, 200210.41 ft
16January 28, 200810.01 ft
17July 23, 20008.13 ft

Most recent crests

  • July 31, 2010: 16.69 ft
  • July 4, 2009: 13.26 ft
  • January 28, 2008: 10.01 ft
  • July 31, 2006: 15.06 ft
  • August 26, 2003: 10.62 ft
  • August 5, 2002: 10.41 ft
  • October 23, 2000: 10.64 ft
  • July 23, 2000: 8.13 ft
  • January 19, 1993: 14.60 ft
  • July 24, 1990: 12.80 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Colorado Basin River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.