Spirit Lake is an earth dam located in Daggett County, Utah, built in 1934. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 320 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 Spirit Lake
The primary purpose of Spirit Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Division of Wildlife Resources (private). It impounds the Middle Fork near None - Drains to Gre.
The dam stands 18 feet tall and stretches 320 feet across, has a maximum storage capacity of 550 acre-feet, and collects water from a drainage area of 1 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 09/06/2023.
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Location
| State | Utah |
| County | Daggett |
| Nearest City | None - Drains to Gre |
| River/Stream | Middle Fork |
| Coordinates | 40.84853, -109.99737 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 320 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 550 acre-ft |
| Max Storage | 550 acre-ft |
| Normal Storage | 350 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 35 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Division of Wildlife Resources |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/06/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00290 |
| Federal ID | UT00290 |
| More Info | State Dam Safety Program |