Fish Passage Site 30103613

Coordinates (dec. deg.): 51.88544°, -176.63977°
Legal Description: S096S195W02
Region: Southwest
Road Name: Airport Tarmac

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #:
Stream Name: Upper Sweeper Creek East

Elevation:

Site Comments: Site is connected to Sweeper Creek on the northern side of the runway.

Survey Date: Sep 15, 2017

Survey ADAK17-ADK03

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: Maybe

Step Pools: No
Construction Year:


Comments: This information was gathered as part of the joint reconnaissance level project between the ADF&G Habitat Division and the Fish Passage Assessment Project on Adak Island. Due to time constraints full site assessments were not conducted, but base line information was collected. Culvert inlet submerged. Juvenile coho salmon captured upstream of site. Site has been nominated to AWC

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 50.0
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: Maybe
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Concrete pillow headwalls at inlet and outlet. Inlet submerged, outlet deep and muddy, estimate culvert diameter at about 3 feet.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Smith-Root LR-24 (A)

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 74 Max: 150 Mean: 112
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (3)  
 
Species: juvenile/adult threespine stickleback Life History: Unknown
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 35 Max: 45 Mean: 39
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (3)  

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