Sullivan Lake, located in Metaline Falls, Washington, is a picturesque body of water created by a gravity dam completed in 1923 for hydroelectric purposes.
Wind
Humidity
With a height of 25 feet and a hydraulic height of 29 feet, the dam stands at 34 feet tall and spans 210 feet in length. The reservoir boasts a normal storage capacity of 31,000 acre-feet, offering ample water resources for both power generation and recreational activities.
Managed by the Federal Energy Regulatory Commission, Sullivan Lake Dam has a controlled spillway and nine slide (sluice gate) outlet gates to regulate water flow and ensure safety. The dam's hazard potential is classified as high, with a very high risk assessment score of 1. Despite its age, the condition assessment of the dam is currently listed as "Not Available," indicating a need for further evaluation and maintenance to ensure its continued safety and functionality.
Water resource and climate enthusiasts will appreciate Sullivan Lake's unique blend of historical significance, hydroelectric power generation, and recreational opportunities. As a vital part of the Pend Oreille River system and surrounded by the natural beauty of the Washington wilderness, Sullivan Lake serves as a reminder of the importance of responsible water management and environmental stewardship in the face of a changing climate.
Year Completed |
1923 |
Dam Length |
210 |
Dam Height |
25 |
River Or Stream |
Sullivan Creek, Pend Oreille R |
Primary Dam Type |
Gravity |
Surface Area |
1923 |
Hydraulic Height |
29 |
Drainage Area |
51 |
Nid Storage |
31000 |
Structural Height |
34 |
Outlet Gates |
Slide (sluice gate) - 9 |
Hazard Potential |
High |
Nid Height |
34 |
Outlet Creek Near Metaline Falls
|
19cfs |
Pend Oreille River Below Box Canyon Near Ione
|
21900cfs |
Columbia River At International Boundary
|
65900cfs |
Priest R Outflow Nr Coolin
|
926cfs |
Boundary Creek Nr Porthill Id
|
494cfs |
Kootenai River At Porthill Id
|
51100cfs |
| Location | Reservations | Toilets |
|---|---|---|
West Sullivan Campground
|
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West Sullivan
|
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East Sullivan Campground
|
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East Sullivan
|
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Mill Pond
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Mill Pond Campground
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