Pacificorp - Huntington Settling Pond is an earth dam located in Emery County, Utah, built in 1977. It carries a Significant hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 3,400 ft long, taller than 83% of U.S. dams with a recorded height. 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 Pacificorp - Huntington Settling Pond
The primary purpose of Pacificorp - Huntington Settling Pond is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Pacificorp-huntington Plant (private). It impounds the Huntington Creek - Offstream near Huntington.
The dam stands 37 feet tall and stretches 3,400 feet across, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 05/16/2023.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Utah |
| County | Emery |
| Nearest City | Huntington |
| River/Stream | Huntington Creek - Offstream |
| Coordinates | 39.38685, -111.08906 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Length | 3,400 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 360 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Tailings |
| Owner | Pacificorp-huntington Plant |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/16/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00545 |
| Federal ID | UT00545 |
| More Info | State Dam Safety Program |