Patra No. 3
Patra No. 3 is an earth dam located in Campbell County, Wyoming, built in 1925. It carries a Low hazard potential classification and has a poor condition assessment.
About Patra No. 3
The primary purpose of Patra No. 3 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 Heiland Land Company, Llc (private). It impounds the S Prong Caballo near Hulett.
The dam stands 24 feet tall and stretches 1,092 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 291 acre-feet. Completed in 1925, the structure is over a century 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 06/28/2023.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Hulett |
| River/Stream | S Prong Caballo |
| Coordinates | 44.08806, -105.64361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,092 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 291 acre-ft |
| Max Storage | 291 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 30 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HEILAND LAND COMPANY, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01019 |
| Federal ID | WY01019 |
| More Info | State Dam Safety Program |