Fish Passage Site 30103684

Coordinates (dec. deg.): 51.87506°, -176.65782°
Legal Description: S096S195W10
Region: Southwest
Road Name: Airport Access

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #: 306-70-10200-2015
Stream Name: South Sweeper

Elevation:

Site Comments: Upstream from C98

Survey Date: Sep 17, 2017

Survey ADAK17-C97

Observers: Mark Eisenman, Mark Eisenman

Overall Fish Passage Rating: Black

Tidal:
Backwatered:

Step Pools:
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. Pinks observed upstream and downstream of crossing site.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 123.0
Inlet Type:
Outlet Type:
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?:
Baffles Present:
Embedded?:
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert length estimated from aerial imagery. Inlet has been buried with debris, outlet also very well covered. Inlet and outlet look to be collapsing. Could only find outlet for one culvert, but there may be a second one here.

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: Visual Observation, Ground (A)

Fish Observations

Species: adult spawning pink salmon Life History: Anadromous
Total Fish Observed: 36 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: At Site Visual Observation, Ground (36)  
Comments: 6 adult pinks observed above culvert, over 30 carcasses observed below.

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