Santa Cruz River at Green Valley, AZ
River level and flood forecast · Pima County
The river is 12.9 ft below flood stage (14 ft).
Forecast to rise to 1.6 ft Tue 4 AM, below the 14 ft flood stage.
Flow: 0 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 5:57 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Santa Cruz River at Green Valley to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 16 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 14 ft |
| Action stage | 12 ft |
| Record crest (October 2, 1983) | 16.34 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftThe southern pacific railroad tracks may be overtopped. Major damage and rapid flooding is likely east of tracks in much of continental and eastern sections of sahuarita.
- 17 ftMajor flooding occurs between continental and the tucson city limits with numerous homes and businesses flooded. The interstate 19 bridge is threatened near kilometer marker 92.
- 16 ftBank protection is overtopped in Green Valley, flooding numerous homes and businesses. Much of Nogales Highway flooded from Continental Road and Pima Mine Road. Low lying areas in Sahuarita between Villita Road and Santa Rita Road flood.
- 15 ftBridge bottoms reached at Continental Rd, Sahuarita Rd, and Pima Mine Rd. Erosion damage begins at Haven Golf Course on left bank. Sections of Nogales Highway between Sahuarita and Pima Mine Roads threatened. Homes on the right bank may flood due to backup from the Continental Road bridge.
- 14 ftErosion likely outside soil cement bank protection. Pecan orchards further inundated.
- 12 ftPecan orchards adjacent to the river begin to flood.
Highest crests on record
- 16.34 ft — October 2, 1983
- 14.75 ft — January 19, 1993
- 9.66 ft — December 28, 1984
- 8.39 ft — February 4, 1983
- 8.19 ft — October 23, 2000
Recent crests: 7.25 ft (July 28, 2003) · 5.06 ft (September 6, 2002) · 8.19 ft (October 23, 2000) · 14.75 ft (January 19, 1993) · 9.66 ft (December 28, 1984)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SCCA3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.