Pershall
Pershall is a dam located in Owyhee County, Idaho, built in 1948. It carries a Low hazard potential classification and has a fair condition assessment.
About Pershall
Pershall is a dam in Owyhee, Idaho. The dam is private-owned. It impounds the Rail Creek Jordan Creek near N/a.
The dam stands 27 feet tall and stretches 310 feet across, creates a reservoir covering 7 acres, has a storage capacity of 50 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 06/07/2016.
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Location
| State | Idaho |
| County | Owyhee |
| Nearest City | N/a |
| River/Stream | Rail Creek Jordan Creek |
| Coordinates | 42.79720, -116.90360 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 310 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 99 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/07/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ID00362 |
| Federal ID | ID00362 |
| More Info | State Dam Safety Program |