Mayor`s Pond is an earth dam located in Box Elder County, Utah, built in 1961. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 270 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 Mayor`s Pond
The primary purpose of Mayor`s Pond is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Brigham City (private). It impounds the Box Elder Creek.
The dam stands 18 feet tall and stretches 270 feet across, has a storage capacity of 20 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 06/16/2022.
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Location
| State | Utah |
| County | Box Elder |
| River/Stream | Box Elder Creek |
| Coordinates | 41.50611, -111.99937 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 270 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Normal Storage | 20 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 100 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Brigham City |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/16/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | UT53668 |
| Federal ID | UT53668 |
| More Info | State Dam Safety Program |