Mule Creek No. 1
Mule Creek No. 1 is an earth dam located in Niobrara County, Wyoming, built in 1962. It carries a Low hazard potential classification and has a poor condition assessment.
About Mule Creek No. 1
The primary purpose of Mule Creek No. 1 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 Tetrad Corporation (private). It impounds the East Mule Creek near Edgemont, Sd.
The dam stands 30 feet tall and stretches 770 feet across, creates a reservoir covering 35 acres, and has a maximum storage capacity of 415 acre-feet. Completed in 1962, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/19/2022.
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Location
| State | Wyoming |
| County | Niobrara |
| Nearest City | Edgemont, Sd |
| River/Stream | East Mule Creek |
| Coordinates | 43.26820, -104.14310 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 27 ft |
| Dam Length | 770 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 415 acre-ft |
| Max Storage | 415 acre-ft |
| Normal Storage | 241 acre-ft |
| Surface Area | 35 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | TETRAD CORPORATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/19/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00822 |
| Federal ID | WY00822 |
| More Info | State Dam Safety Program |