Caylor Ranch Dam
Caylor Ranch Dam is an earth dam located in Fall River County, South Dakota, built in 1945. It carries a Significant hazard potential classification.
About Caylor Ranch Dam
The primary purpose of Caylor Ranch 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 Indian Creek Cattle Llp (private). It impounds the Duck Creek.
The dam stands 12 feet tall and stretches 640 feet across, and has a maximum storage capacity of 86 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.
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Location
| State | South Dakota |
| County | Fall River |
| Nearest City | None |
| River/Stream | Duck Creek |
| Coordinates | 43.08396, -103.79397 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 640 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 65 acre-ft |
| Max Discharge | 780 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Indian Creek Cattle LLP |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01396 |
| Federal ID | SD01396 |
| More Info | State Dam Safety Program |