Ponderosa is a gravity dam located in Geneva County, Alabama, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 666 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 Ponderosa
The primary purpose of Ponderosa is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by David F Wynn (private). It impounds the Shuttle Mill Branch near Geneva.
The dam stands 24 feet tall and stretches 666 feet across, and has a maximum storage capacity of 198 acre-feet. Completed in 1962, 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.
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Location
| State | Alabama |
| County | Geneva |
| Nearest City | Geneva |
| River/Stream | Shuttle Mill Branch |
| Coordinates | 31.08833, -85.84500 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 24 ft |
| Dam Length | 666 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Max Storage | 198 acre-ft |
| Normal Storage | 154 acre-ft |
| Max Discharge | 1,302 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | David F Wynn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00713 |
| Federal ID | AL00713 |
| More Info | ASDSO on Alabama (no state dam safety program) |