Long Park (daggett)
Long Park (daggett) is an earth dam located in Daggett County, Utah, built in 1980. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Long Park (daggett)
The primary purpose of Long Park (daggett) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sheep Creek Irrigation Company (private). It impounds the Sheep Creek near Manilla-luscerne Val.
The dam stands 112 feet tall and stretches 860 feet across, has a maximum storage capacity of 16,658 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1980, the structure is 46 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/26/2023.
At 112 feet, this dam is taller than 98% 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 | Daggett |
| Nearest City | Manilla-luscerne Val |
| River/Stream | Sheep Creek |
| Coordinates | 40.91353, -109.87237 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 112 ft |
| Dam Length | 860 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 16,658 acre-ft |
| Max Storage | 16,658 acre-ft |
| Normal Storage | 13,700 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 320 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SHEEP CREEK IRRIGATION COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/26/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00365 |
| Federal ID | UT00365 |
| More Info | State Dam Safety Program |