Streeter Dam is an earth dam located in Custer County, South Dakota, built in 1945. It carries a Significant hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 280 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 Streeter Dam
The primary purpose of Streeter Dam 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 Charles Streeter (private). It impounds the Tributary of Cheyenne River near Buffalo Gap.
The dam stands 22 feet tall and stretches 280 feet across, and has a maximum storage capacity of 70 acre-feet. Completed in 1945, the structure is well-established, with more than 75 years of service.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Custer |
| Nearest City | Buffalo Gap |
| River/Stream | Tributary of Cheyenne River |
| Coordinates | 43.54666, -103.35999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 280 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 55 acre-ft |
| Max Discharge | 78 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Charles Streeter |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01385 |
| Federal ID | SD01385 |
| More Info | State Dam Safety Program |