Santa Cruz – Lower

To provide comments on this watershed for consideration in the Floodplain Management Plan, contact Greg Saxe
Planning Manager
(520) 724-4633.
The portion of the watershed identified as the Lower Santa Cruz River begins immediately downstream of a bedrock near Avra Valley Road where the floodplain of the Santa Cruz River is about a quarter mile wide. It then widens to several miles wide as it enters Pinal County draining over 3,000 square miles upstream of the confluence with the Brawley Wash. This por-tion of the Santa Cruz River mostly impacts farmland, though flooding can pose a significant risk to drivers during times of flooding. This watershed is comprised of 53,781 acres and contains 28,576 acres of SFHA, 1,047 acres of locally identified floodplain and 7,182 acres of Pima County Regulated Riparian Habitat.

Flood Hazards


Watershed Map 
Outreach Brochure 
Hazard Map 

Floodplain Studies

There are currently no floodplain studies in this watershed other than those conducted by FEMA that are provided on the Flood Insurance Rate Maps.

Erosion Studies

There are currently no erosion studies in this watershed.

Step 6 - Floodplain Management Plan Goals

Floodplain Management Plan Goals

Recommendation of Actions and Floodplain Management Strategy

Lower Santa Cruz Action Plan Map

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Regional Flood Control District

201 N. Stone Avenue, 9th Fl.
Tucson, AZ 85701

Phone: (520) 724-4600
Fax: (520) 724-4621

Customer Service Hours:
8:00AM - 4:00PM

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