Lone Tree
Lone Tree is a dam located in Owyhee County, Idaho, built in 1918. It carries a Low hazard potential classification and has a fair condition assessment.
About Lone Tree
Lone Tree is a dam in Owyhee, Idaho. The dam is private-owned. It impounds the Unnamed Stream Lone Tree Creek near Remote.
The dam stands 12 feet tall and stretches 1,150 feet across, creates a reservoir covering 140 acres, has a storage capacity of 415 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1918, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 07/30/2019.
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Location
| State | Idaho |
| County | Owyhee |
| Nearest City | Remote |
| River/Stream | Unnamed Stream Lone Tree Creek |
| Coordinates | 42.90520, -117.01920 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,150 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 415 acre-ft |
| Normal Storage | 415 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 5 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/30/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00196 |
| Federal ID | ID00196 |
| More Info | State Dam Safety Program |