Glenwood Debris
Glenwood Debris is an earth dam located in Sevier County, Utah, built in 1956. It carries a High hazard potential classification and has a fair condition assessment.
About Glenwood Debris
The primary purpose of Glenwood Debris is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Glenwood Town (local government). It impounds the Mill Creek near Glenwood.
The dam stands 57 feet tall and stretches 637 feet across, has a maximum storage capacity of 264 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1956, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/10/2023.
At 57 feet, this dam is taller than 95% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Utah dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Utah |
| County | Sevier |
| Nearest City | Glenwood |
| River/Stream | Mill Creek |
| Coordinates | 38.75184, -111.97742 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Length | 637 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 264 acre-ft |
| Max Storage | 264 acre-ft |
| Normal Storage | 200 acre-ft |
| Drainage Area | 16 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GLENWOOD TOWN |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00340 |
| Federal ID | UT00340 |
| More Info | State Dam Safety Program |