Alkali Creek
Alkali Creek is an earth dam located in Park County, Wyoming, built in 1950. It carries a Low hazard potential classification and has a poor condition assessment.
About Alkali Creek
The primary purpose of Alkali Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by F S Ranch Corporation (private). It impounds the Alkali Creek near Byron.
The dam stands 36 feet tall and stretches 685 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 114 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/27/2024.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Wyoming |
| County | Park |
| Nearest City | Byron |
| River/Stream | Alkali Creek |
| Coordinates | 44.71611, -109.11750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 685 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 5 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | F S RANCH CORPORATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/27/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01148 |
| Federal ID | WY01148 |
| More Info | State Dam Safety Program |