CTT Omak Creek Camp Seven Creek Culverts (2)
#SRP-10-15807 #SRP-10-15807
 Okanogan Sub-basin Omak and Tributaries CTT Omak Creek Camp Seven Creek Culverts (2)
Organization Upper Columbia Salmon Recovery Board Lead Entity
Sponsor Confederated Tribes of the Colville Reservation
Status Completed
Schedule Start Date: 4/1/2010 End Date: 12/1/2010
Category Category: Restoration
DESCRIPTION
In the Camp Seven Creek Drainage, one undersized culvert, (CS-1: NESE S14 T33 R28), was removed and replaced with a single span bridge (45'). The channel was widened and sloped to engineered specifications. A new bridge will be delivered and set once the contractor has prepared the site. The channel, grade and gravel approaches was reshaped. Critical area plantings (mulching and seeding) occurred in the fall.

In addition, within the Camp Seven Creek drainage, another undersized culvert, (CS-2: SENE S26 T33 R28), was replaced with a new appropriately 9' sized culvert. After the undersized culvert, CS-2, was removed, the channel was widened and sloped to engineered specifications. The new culvert, CS-2, was positioned and backfilled with specified rock and fill. Areas along the road surface will have critical area plantings (mulching and seeding) to occur in the fall as the weather cools.

One of the main factors limiting salmonid production in the Omak Creek and connected tributaries is high proportion of fine sediment.The anticipated result is to reduce the risk of the road sections at these undersized drainage structures from washing-out thereby depositing large volumes of road fill into the stream channel. In time it is anticipated that the volume of fine sediment in Omak Creek will be measurably reduced thereby resulting in an increase in egg-to-fry survival.

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FUNDING SOURCES
FUNDING ENTRIES FROM GRANT PROJECT AGREEMENT
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OTHER FUNDING (Funding that is NOT in a grant project agreement)
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PHOTOS

 
LOCATION
Chinook-Pop (ESU):Chinook-Upper Columbia River Spring, Okanogan River, Outside anadromous area
Chinook2-Pop (ESU):Chinook-Upper Columbia River Summer/Fall, Not Warranted
City Areas:Disautel
County:Okanogan
HUC12:Middle Omak Creek (170200061904)
HUC8:Okanogan (17020006)
Lead Entity Area:Upper Columbia
Legislative District:07
Salmon Recovery Regions:Upper Columbia River
Sections:14
Steelhead-Pop (ESU):Steelhead-Upper Columbia River, Okanogan River, Threatened
Township:T33NR28E
Upper Columbia Assesment Unit:Omak Creek-Middle DS
Watershed Administrative Unit:Disautel
WRIA:Okanogan
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