Barney Lake is an earth dam located in Piute County, Utah, built in 1914. It carries a Significant hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 350 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 Barney Lake
The primary purpose of Barney 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 Manning Creek near Marysvale.
The dam stands 22 feet tall and stretches 350 feet across, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1914, the structure is over a century 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 07/07/2022.
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Location
| State | Utah |
| County | Piute |
| Nearest City | Marysvale |
| River/Stream | Manning Creek |
| Coordinates | 38.48581, -112.08643 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Length | 350 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 6 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 | 07/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00021 |
| Federal ID | UT00021 |
| More Info | State Dam Safety Program |