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Post Falls

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Washington Water Power Company Post Falls Power Plant, North Channel Dam, West of intersection of Spokane & Fourth Streets, Post Falls, Kootenai County, ID



See 21 maps of this location


B&W Photos

HB427313

HB427314

HB427315


Data Pages


Photo Caption Pages


Item Title


Location
West of intersection of Spokane & Fourth Streets, Post Falls, ID

Find maps of Post Falls, ID


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER ID-32-B
Significance: It is significant as the main controlling works for the Lake Coeur D'Alene, the natural impoundment for the entire Spokane River hydroelectric system. The North Channel dam is an L-shaped, concrete gravity flow dam. The structure's crest measures approximately 430' in length and ca. is 31' high. The largest section of the dam features a 100' rolling sector gate, with a series of 8 tainter gates located along the wing portion of the dam.

Subjects
Dams


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. CONTEXTUAL VIEW OF THE NORTH CHANNEL DAM FROM PUBLICLY RESTRICTED PROPERTY OF THE RECENTLY CLOSED LOUISIANA PACIFIC LUMBER MILL. THE NORTH CHANNEL DAM'S HOLDING RESERVOIR AND TAINTER GATES ARE IN THE FOREGROUND, AND THE ROLLING SECTOR GATE IS IN THE BACKGROUND, LOOKING EAST.
2. CLOSE-UP VIEW OF THE TAINTER GATES AND SPILLWAY OF THE NORTH CHANNEL DAM, LOOKING SOUTH.
3. TAINTER GATES (LEFT FOREGROUND) AND ROLLING SECTOR GATE AND SPILLWAY (BACKGROUND) OF THE NORTH CHANNEL DAM, LOOKING SOUTH.


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