John Penor
John Penor is an earth dam located in Perkins County, South Dakota, built in 1949. It carries a Low hazard potential classification.
About John Penor
The primary purpose of John Penor is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Alfred Anderson (private). It impounds the Tr Moreau River.
The dam stands 18 feet tall and stretches 500 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1949, the structure is well-established, with more than 75 years of service.
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 | South Dakota |
| County | Perkins |
| Nearest City | None |
| River/Stream | Tr Moreau River |
| Coordinates | 45.47499, -102.45666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 500 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 38 acre-ft |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ALFRED ANDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01761 |
| Federal ID | SD01761 |
| More Info | State Dam Safety Program |