Lake Creek
Lake Creek is an earth dam located in Hot Springs County, Wyoming, built in 1938. It carries a Low hazard potential classification and has a fair condition assessment.
About Lake Creek
The primary purpose of Lake Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cottonwood Creek Watershed Imp. Dist. (private). It impounds the Lake Creek near Worland.
The dam stands 45 feet tall and stretches 778 feet across, creates a reservoir covering 59 acres, and has a maximum storage capacity of 1,683 acre-feet. Completed in 1938, 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 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 09/17/2025.
At 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Wyoming |
| County | Hot Springs |
| Nearest City | Worland |
| River/Stream | Lake Creek |
| Coordinates | 43.76120, -108.90240 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 778 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,683 acre-ft |
| Max Storage | 1,683 acre-ft |
| Normal Storage | 1,373 acre-ft |
| Surface Area | 59 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | COTTONWOOD CREEK WATERSHED IMP. DIST. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/17/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01142 |
| Federal ID | WY01142 |
| More Info | State Dam Safety Program |