Cow Creek Lake
Cow Creek Lake is an earth dam located in Carbon County, Wyoming, built in 1941. It carries a High hazard potential classification and has a fair condition assessment.
About Cow Creek Lake
The primary purpose of Cow Creek Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Silver Spur Land & Cattle, Llc. (private). It impounds the Cow Creek near Saratoga.
The dam stands 28 feet tall and stretches 550 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 887 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1941, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 07/29/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Wyoming dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Saratoga |
| River/Stream | Cow Creek |
| Coordinates | 41.17776, -106.96968 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 550 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 887 acre-ft |
| Max Storage | 887 acre-ft |
| Normal Storage | 649 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 1,733 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SILVER SPUR LAND & CATTLE, LLC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 07/29/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WY00068 |
| Federal ID | WY00068 |
| More Info | State Dam Safety Program |