Horse Creek No. 2 Flood Control
Horse Creek No. 2 Flood Control is an earth dam located in Campbell County, Wyoming, built in 2007. It carries a Low hazard potential classification and has a fair condition assessment.
About Horse Creek No. 2 Flood Control
Horse Creek No. 2 Flood Control is a dam in Campbell, Wyoming. The dam is owned by Navajo Transitional Energy Company Llc (private). It impounds the Horse Creek near Antelope Coal Mine.
The dam stands 62 feet tall and stretches 1,500 feet across, creates a reservoir covering 59 acres, has a maximum storage capacity of 1,422 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 2007, the structure is relatively new.
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 05/01/2025.
At 62 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Antelope Coal Mine |
| River/Stream | Horse Creek |
| Coordinates | 43.52610, -105.38260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 62 ft |
| Dam Height | 47 ft |
| Dam Length | 1,500 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 1,422 acre-ft |
| Max Storage | 1,422 acre-ft |
| Normal Storage | 801 acre-ft |
| Surface Area | 59 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 5,572 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | NAVAJO TRANSITIONAL ENERGY COMPANY LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/01/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02450 |
| Federal ID | WY02450 |
| More Info | State Dam Safety Program |