Petersen Dam
Petersen Dam is an earth dam located in Lyman County, South Dakota, built in 1955. It carries a Low hazard potential classification.
About Petersen Dam
The primary purpose of Petersen Dam 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 Mervin Petersen (private). It impounds the Trib. Cedar Creek.
The dam stands 11 feet tall and stretches 545 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 132 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1955, 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 | South Dakota |
| County | Lyman |
| Nearest City | None |
| River/Stream | Trib. Cedar Creek |
| Coordinates | 44.17499, -100.14999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 545 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 650 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MERVIN PETERSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02229 |
| Federal ID | SD02229 |
| More Info | State Dam Safety Program |