Lower Rose Canyon is a gravity dam located in Pima County, Arizona, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall and 188 ft long, taller than 90% of U.S. dams with a recorded height. 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 Rose Canyon
The primary purpose of Lower Rose Canyon is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Arizona Game & Fish Department (state). It impounds the Sycamore Creek - Tr near Tucson.
The dam stands 45 feet tall and stretches 188 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 145 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 11/01/2013. That was over 12 years ago.
At 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Arizona |
| County | Pima |
| Nearest City | Tucson |
| River/Stream | Sycamore Creek - Tr |
| Coordinates | 32.38778, -110.71111 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 45 ft |
| Dam Height | 41 ft |
| Dam Length | 188 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 145 acre-ft |
| Max Storage | 145 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 728 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Arizona Game & Fish Department |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/01/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00132 |
| Federal ID | AZ00132 |
| More Info | State Dam Safety Program |