Praire Dog Creek Dam is an earth dam located in Harding County, South Dakota, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 465 ft long, taller than 50% of U.S. dams with a recorded height. 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 Praire Dog Creek Dam
The primary purpose of Praire Dog Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Harry Blair and Son (private). It impounds the Tr-grand River.
The dam stands 25 feet tall and stretches 465 feet across, and has a maximum storage capacity of 161 acre-feet. Completed in 1951, 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 | Harding |
| Nearest City | None |
| River/Stream | Tr-grand River |
| Coordinates | 45.64833, -103.14499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 465 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 161 acre-ft |
| Max Storage | 161 acre-ft |
| Normal Storage | 135 acre-ft |
| Max Discharge | 945 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Harry Blair and Son |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01203 |
| Federal ID | SD01203 |
| More Info | State Dam Safety Program |