Brian Head Phase III is an earth dam located in Iron County, Utah, built in 1993. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 1,620 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 Brian Head Phase III
The primary purpose of Brian Head Phase III is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Brian Head Resort (private). It impounds the Off Channel near Brian Head.
The dam stands 10 feet tall and stretches 1,620 feet across, and has a maximum storage capacity of 60 acre-feet. Completed in 1993, the structure is 33 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/11/2023.
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Location
| State | Utah |
| County | Iron |
| Nearest City | Brian Head |
| River/Stream | Off Channel |
| Coordinates | 37.68682, -112.84244 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 1,620 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 28 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Brian Head Resort |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/11/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00762 |
| Federal ID | UT00762 |
| More Info | State Dam Safety Program |