Buffalo Lake Road Dam 1
Buffalo Lake Road Dam 1 is an earth dam located in Ziebach County, South Dakota, built in 1961. It carries a Significant hazard potential classification.
About Buffalo Lake Road Dam 1
The primary purpose of Buffalo Lake Road Dam 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dept. Of Transportation (state). It impounds the Tr Cheyenne.
The dam stands 95 feet tall and stretches 1,000 feet across, and has a maximum storage capacity of 2,650 acre-feet. Completed in 1961, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/08/2021.
At 95 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | South Dakota |
| County | Ziebach |
| Nearest City | None |
| River/Stream | Tr Cheyenne |
| Coordinates | 44.61841, -101.99478 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 95 ft |
| Dam Height | 95 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 2,650 acre-ft |
| Max Storage | 2,650 acre-ft |
| Normal Storage | 1,660 acre-ft |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | DEPT. OF TRANSPORTATION |
| Owner Type | State |
| Hazard Classification | Significant |
| Last Inspection | 09/08/2021 |
Identifiers
| NID ID | SD00518 |
| Federal ID | SD00518 |
| More Info | State Dam Safety Program |