Doyen
Doyen is an earth dam located in Johnson County, Wyoming, built in 1956. It carries a Low hazard potential classification and has a poor condition assessment.
About Doyen
The primary purpose of Doyen 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 Trail Land, Llc (private). It impounds the Trabing Draw near Arvada.
The dam stands 25 feet tall and stretches 550 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 127 acre-feet. Completed in 1956, 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 05/03/2024.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Arvada |
| River/Stream | Trabing Draw |
| Coordinates | 44.12083, -106.55944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 550 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | TRAIL LAND, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/03/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00779 |
| Federal ID | WY00779 |
| More Info | State Dam Safety Program |