Payette Lake
Payette Lake is a dam located in Valley County, Idaho, built in 1943. It carries a Significant hazard potential classification and has a fair condition assessment.
About Payette Lake
Payette Lake is a dam in Valley, Idaho. The dam is private-owned. It impounds the North Fork Payette River Payette River near Mccall.
The dam stands 13 feet tall and stretches 168 feet across, creates a reservoir covering 5,337 acres, has a storage capacity of 41,000 acre-feet, and collects water from a drainage area of 144 square miles. Completed in 1943, 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. 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 09/17/2020.
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Location
| State | Idaho |
| County | Valley |
| Nearest City | Mccall |
| River/Stream | North Fork Payette River Payette River |
| Coordinates | 44.91140, -116.11900 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 168 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 41,000 acre-ft |
| Normal Storage | 41,000 acre-ft |
| Surface Area | 5,337 acres |
| Drainage Area | 144 sq mi |
| Max Discharge | 7,330 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/17/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00244 |
| Federal ID | ID00244 |
| More Info | State Dam Safety Program |