C. Peterson No.3 is an earth dam located in Dewey County, South Dakota, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 700 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.3
The primary purpose of C. Peterson No.3 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 22 feet tall and stretches 700 feet across, and has a maximum storage capacity of 330 acre-feet. Completed in 1940, 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 | 45.06833, -100.76166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 700 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 95 acre-ft |
| Max Discharge | 8,000 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 | SD01709 |
| Federal ID | SD01709 |
| More Info | State Dam Safety Program |