Rogers Reservoir is an earth dam located in Graham County, Arizona, built in 1894. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 300 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Rogers Reservoir
The primary purpose of Rogers Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Langley Toltec Estates, LLC (private). It impounds the Cottonwood Creek - Os near Pima.
The dam stands 24 feet tall and stretches 300 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 470 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1894, the structure is over a century 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 07/14/2011. That was over 15 years ago.
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Location
| State | Arizona |
| County | Graham |
| Nearest City | Pima |
| River/Stream | Cottonwood Creek - Os |
| Coordinates | 32.87972, -109.84806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 300 ft |
| Year Completed | 1894 (132 years old) |
Storage & Hydraulics
| NID Storage | 470 acre-ft |
| Max Storage | 470 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Langley Toltec Estates, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/14/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00053 |
| Federal ID | AZ00053 |
| More Info | State Dam Safety Program |