Fordyce Deer Creek
Fordyce Deer Creek is an earth dam located in Sheridan County, Wyoming, built in 1954. It carries a Low hazard potential classification and has a fair condition assessment.
About Fordyce Deer Creek
The primary purpose of Fordyce Deer Creek 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 Caza Ranch Llc (private). It impounds the Deer Creek near Birney, Mt.
The dam stands 28 feet tall and stretches 635 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 143 acre-feet. Completed in 1954, the structure is well into its service life at over 50 years old.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/30/2025.
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Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Birney, Mt |
| River/Stream | Deer Creek |
| Coordinates | 44.97510, -106.60860 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 635 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | CAZA RANCH LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/30/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00485 |
| Federal ID | WY00485 |
| More Info | State Dam Safety Program |