Palmer Pearson No. 2 is an earth dam located in Haakon County, South Dakota, built in 1954. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 875 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 Palmer Pearson No. 2
The primary purpose of Palmer Pearson No. 2 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 Riggle Family LP (private). It impounds the West Plum Creek-tr.
The dam stands 14 feet tall and stretches 875 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, 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 | 44.28105, -101.71124 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 875 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Riggle Family LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01841 |
| Federal ID | SD01841 |
| More Info | State Dam Safety Program |