Pere Pearson 1
Pere Pearson 1 is an earth dam located in Haakon County, South Dakota, built in 1955. It carries a Low hazard potential classification.
About Pere Pearson 1
The primary purpose of Pere Pearson 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 Pearson Brothers Land Llc (private). It impounds the West Plum Creek-tr.
The dam stands 20 feet tall and stretches 500 feet across, and has a maximum storage capacity of 128 acre-feet. 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 | Haakon |
| Nearest City | None |
| River/Stream | West Plum Creek-tr |
| Coordinates | 44.28310, -101.69494 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 60 acre-ft |
| Max Discharge | 1,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | PEARSON BROTHERS LAND LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01840 |
| Federal ID | SD01840 |
| More Info | State Dam Safety Program |