C. Peterson No.1 is an earth dam located in Dewey County, South Dakota, built in 1945. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 450 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 C. Peterson No.1
The primary purpose of C. Peterson No.1 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 Charley Peterson (private). It impounds the Tr Moreau near La Plant.
The dam stands 24 feet tall and stretches 450 feet across, and has a maximum storage capacity of 150 acre-feet. Completed in 1945, 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 | Dewey |
| Nearest City | La Plant |
| River/Stream | Tr Moreau |
| Coordinates | 45.04666, -100.69332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 450 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 56 acre-ft |
| Max Discharge | 800 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Charley Peterson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01707 |
| Federal ID | SD01707 |
| More Info | State Dam Safety Program |