Duncan
Duncan is an earth dam located in Sheridan County, Wyoming, built in 1939. It carries a Low hazard potential classification and has a poor condition assessment.
About Duncan
Duncan is a dam in Sheridan, Wyoming. The dam is owned by Meade Creek Acquisition, Llc (private). It impounds the Jennings Gulch near Sheridan.
The dam stands 33 feet tall and stretches 270 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 59 acre-feet. Completed in 1939, the structure is well-established, with more than 75 years of service.
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 06/29/2021.
At 33 feet, this dam is taller than 78% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Sheridan |
| River/Stream | Jennings Gulch |
| Coordinates | 44.65810, -106.88150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 270 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | MEADE CREEK ACQUISITION, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00666 |
| Federal ID | WY00666 |
| More Info | State Dam Safety Program |