Pettegrew Pond No.2 is an earth dam located in Fall River County, South Dakota, built in 1945. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 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 Pettegrew Pond No.2
The primary purpose of Pettegrew Pond 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 Mykris, Michael, & Carolyn Living Trust (private). It impounds the Horsehead Creek-tr.
The dam stands 13 feet tall and stretches 700 feet across, and has a maximum storage capacity of 62 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 | Fall River |
| Nearest City | None |
| River/Stream | Horsehead Creek-tr |
| Coordinates | 43.05320, -103.27111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 700 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 48 acre-ft |
| Max Discharge | 280 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mykris, Michael, & Carolyn Living Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01036 |
| Federal ID | SD01036 |
| More Info | State Dam Safety Program |