North Antelope Shop
North Antelope Shop is an earth dam located in Campbell County, Wyoming, built in 1983. It carries a Low hazard potential classification and has a fair condition assessment.
About North Antelope Shop
North Antelope Shop is a dam in Campbell, Wyoming. The dam is owned by Peabody Powder River Mining, Llc (private). It impounds the Porcupine Creek.
The dam stands 29 feet tall and stretches 200 feet across, creates a reservoir covering 2 acres, has a storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1983, the structure is 43 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 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 07/08/2021.
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Location
| State | Wyoming |
| County | Campbell |
| River/Stream | Porcupine Creek |
| Coordinates | 43.51640, -105.27540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 200 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 18 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 64 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | PEABODY POWDER RIVER MINING, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/08/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01782 |
| Federal ID | WY01782 |
| More Info | State Dam Safety Program |