Long Park (uintah)
Long Park (uintah) is an earth dam located in Uintah County, Utah, built in 1934. It carries a Significant hazard potential classification.
About Long Park (uintah)
The primary purpose of Long Park (uintah) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ashley Valley Reservoir Company (private). It impounds the Ashley Creek near Vernal.
The dam stands 23 feet tall and stretches 1,180 feet across, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
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 08/08/2023.
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Location
| State | Utah |
| County | Uintah |
| Nearest City | Vernal |
| River/Stream | Ashley Creek |
| Coordinates | 40.77519, -109.76404 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Length | 1,180 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 531 acre-ft |
| Drainage Area | 5 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ASHLEY VALLEY RESERVOIR COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 08/08/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00182 |
| Federal ID | UT00182 |
| More Info | State Dam Safety Program |