Blair #1
Blair #1 is an earth dam located in Haakon County, South Dakota, built in 1950. It carries a Low hazard potential classification.
About Blair #1
The primary purpose of Blair #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 Kelly Blair (private). It impounds the Indian Spring Creek.
The dam stands 40 feet tall and stretches 300 feet across, and has a maximum storage capacity of 250 acre-feet. Completed in 1950, 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.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | South Dakota |
| County | Haakon |
| Nearest City | None |
| River/Stream | Indian Spring Creek |
| Coordinates | 44.47282, -101.89010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 300 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 180 acre-ft |
| Max Discharge | 1,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KELLY BLAIR |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01494 |
| Federal ID | SD01494 |
| More Info | State Dam Safety Program |