Willow Lake is an earth dam located in Sanpete County, Utah, built in 1978. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 1,259 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 Willow Lake
The primary purpose of Willow Lake 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 Division of Wildlife Resources (private). It impounds the Springs near Ferron.
The dam stands 12 feet tall and stretches 1,259 feet across, has a maximum storage capacity of 226 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 years old.
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 09/13/2023.
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Location
| State | Utah |
| County | Sanpete |
| Nearest City | Ferron |
| River/Stream | Springs |
| Coordinates | 39.13682, -111.38875 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 1,259 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 226 acre-ft |
| Max Storage | 226 acre-ft |
| Normal Storage | 120 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Division of Wildlife Resources |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00329 |
| Federal ID | UT00329 |
| More Info | State Dam Safety Program |