Buffalo Lake Road Dam 2 is an earth dam located in Meade County, South Dakota, built in 1961. It carries a Significant hazard potential classification.
Dam profile
NID height · 82 ft82 ft tall and 900 ft long, taller than 97% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Buffalo Lake Road Dam 2
The primary purpose of Buffalo Lake Road Dam 2 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 82 feet tall and stretches 900 feet across, and has a maximum storage capacity of 2,850 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 82 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | South Dakota |
| County | Meade |
| Nearest City | None |
| River/Stream | Tr Cheyenne |
| Coordinates | 44.61847, -102.00461 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 82 ft |
| Dam Height | 82 ft |
| Dam Length | 900 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 2,850 acre-ft |
| Max Storage | 2,850 acre-ft |
| Normal Storage | 1,700 acre-ft |
| Max Discharge | 270 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dept. of Transportation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/08/2021 |
Identifiers
| NID ID | SD00407 |
| Federal ID | SD00407 |
| More Info | State Dam Safety Program |