Seymour Lake
Seymour Lake is an earth dam located in Summit County, Utah, built in 1932. It carries a Significant hazard potential classification.
About Seymour Lake
The primary purpose of Seymour Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fish Lake Reservoir Company (private). It impounds the Weber River near Oakley.
The dam stands 15 feet tall and stretches 260 feet across, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1932, 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 07/26/2022.
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Location
| State | Utah |
| County | Summit |
| Nearest City | Oakley |
| River/Stream | Weber River |
| Coordinates | 40.73335, -110.95214 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 260 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FISH LAKE RESERVOIR COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 07/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00203 |
| Federal ID | UT00203 |
| More Info | State Dam Safety Program |