I 205 Spawning Area

These photographs were taken on November 13, 2000 at an area along the Columbia River just above the I-205 bridge on the North shoreline.

This area was brought to WDFW's attention in 1998 and they conducted surveys in 1999 during the months of November and December.

Date Redds Live Not Examined Examined
11/17/99 0 12 0 0
11/23/99 1 1 0 1
11/29/99 0 0 0 1
12/10/99 1 9 0 2
12/20/99 0 0 0 3

In 1999 flows in the Columbia River were much higher and these counts may be low due to high water levels and poor visiblity. On November 13, 2000  a series of photographs were taken.  Flow volumes, GPS readings and water temperatures were recorded at the locations of the various seeps. Flows from Bonneville dam were 129 KCFS.

Included are two maps: one of the spawning area and one of the general location in reference to the I-205 bridge.

At this site on November 13, 2000, 4 live chum were actively spawning and 3 redds were visible.  On November 20, 2000 the area was surveyed again. The live chum were missing and one of the three redds was de-watered. On November 27 and 28, 2000 a total of 37 live chum were actively spawning in this area. Visibility was poor due to swells and wind chop on the water. Nine redds were GPS'd and recorded.

Photos - Seep area

Click on the photo to see a larger picture or view slide show (this may not work for all browsers)

I-205 seep thumbnail Seep1.jpg  (Seep area) I-205 seep thumbnail Seep9.jpg  (Seep area view from East to West, Two redds located toward waters edge)
I-205 seep thumbnail Seep2.jpg  (Seep area, flow volumes taken here) I-205 seep thumbnail Seep10.jpg (Seep view from end of gravel toward shoreline)
I-205 seep thumbnail Seep3.jpg  (seeps) I-205 seep thumbnail Seep11.jpg (seep view from end of gravel toward shoreline)
I-205 seep thumbnail Seep4.jpg  (seeps) I-205 seep thumbnail Seep12.jpg (seep view from East to West)
I-205 seep thumbnail Seep5.jpg  (High water mark view from North to South) I-205 seep thumbnail Seep13.jpg (Seep water line view from North to South)
I-205 seep thumbnail Seep6.jpg  (Seep area, flow volumes taken here) I-205 seep thumbnail Seep14.jpg (Seep area, view from West to East)
I-205 seep thumbnail Seep7.jpg  (Seep area) I-205 seep thumbnail Seep15.jpg (Seep area, view from West to East)
I-205 seep thumbnail Seep8.jpg  (Seep area, flow volumes taken here) I-205 seep thumbnail Seep16.jpg (Seep area, most Westerly edge)

Aerial Photos - Upper Seep area




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Page last updated on: September 3, 2008

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