Jordanelle Dam is an earth dam located in Wasatch County, Utah, built in 1993. It carries a High hazard potential classification.
Dam profile
NID height · 391 ft391 ft tall and 3,820 ft long, taller than 99% of U.S. dams with a recorded height. Height is drawn to scale against the Statue of Liberty, 305 ft ground to torch; the profile is a generic embankment section and the water level is illustrative.
About Jordanelle Dam
The primary purpose of Jordanelle Dam 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 Department of the Interior (federal). It impounds the Provo near Heber.
The dam stands 391 feet tall and stretches 3,820 feet across, has a maximum storage capacity of 363,354 acre-feet, and collects water from a drainage area of 261 square miles. Completed in 1993, the structure is 33 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/09/2020.
At 391 feet, this dam is taller than 99% 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 | Wasatch |
| Nearest City | Heber |
| River/Stream | Provo |
| Coordinates | 40.59780, -111.42460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 391 ft |
| Dam Length | 3,820 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 363,354 acre-ft |
| Max Storage | 363,354 acre-ft |
| Drainage Area | 261 sq mi |
| Max Discharge | 3,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Department of the Interior |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 07/09/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT10204 |
| Federal ID | UT10204 |
| More Info | State Dam Safety Program |