Willard Creek Debris Basin is an earth dam located in Box Elder County, Utah. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 1,200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Willard Creek Debris Basin
The primary purpose of Willard Creek Debris Basin 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 Willard City (local government). It impounds the Willard Creek near Willard.
The dam stands 18 feet tall and stretches 1,200 feet across, has a maximum storage capacity of 13 acre-feet, and collects water from a drainage area of 4 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 05/24/2023.
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Location
| State | Utah |
| County | Box Elder |
| Nearest City | Willard |
| River/Stream | Willard Creek |
| Coordinates | 41.41519, -112.03578 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 1,200 ft |
Storage & Hydraulics
| NID Storage | 13 acre-ft |
| Max Storage | 13 acre-ft |
| Normal Storage | 4 acre-ft |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Willard City |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/24/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00634 |
| Federal ID | UT00634 |
| More Info | State Dam Safety Program |