Lower Sabino Dam is a masonry dam located in Pima County, Arizona, built in 1935. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 282 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Lower Sabino Dam
Lower Sabino Dam is a dam in Pima, Arizona. The dam is owned by Usda Fs (federal). It impounds the Sabino Creek near Tucson.
The dam stands 18 feet tall and stretches 282 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 8 acre-feet, and collects water from a drainage area of 41 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/20/2009. That was over 17 years ago.
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Location
| State | Arizona |
| County | Pima |
| Nearest City | Tucson |
| River/Stream | Sabino Creek |
| Coordinates | 32.31482, -110.81121 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 282 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 8 acre-ft |
| Max Storage | 8 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 41 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/20/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ83484 |
| Federal ID | AZ83484 |
| More Info | State Dam Safety Program |