Priest Lake
Priest Lake is a dam located in Bonner County, Idaho, built in 1979. It carries a Significant hazard potential classification and has a fair condition assessment.
About Priest Lake
Priest Lake is a dam in Bonner, Idaho. The dam is state-owned. It impounds the Priest Lake Priest River near Priest River.
The dam stands 12 feet tall and stretches 194 feet across, creates a reservoir covering 23,800 acres, has a storage capacity of 76,100 acre-feet, and collects water from a drainage area of 572 square miles. Completed in 1979, the structure is 47 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. 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 05/09/2019.
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Location
| State | Idaho |
| County | Bonner |
| Nearest City | Priest River |
| River/Stream | Priest Lake Priest River |
| Coordinates | 48.49060, -116.90270 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 194 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 76,100 acre-ft |
| Normal Storage | 76,100 acre-ft |
| Surface Area | 23,800 acres |
| Drainage Area | 572 sq mi |
| Max Discharge | 4,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/09/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00318 |
| Federal ID | ID00318 |
| More Info | State Dam Safety Program |