Fish Passage Site 30103655

Coordinates (dec. deg.): 51.90255°, -176.66156°
Legal Description: S095S195W34
Region: Southwest
Road Name: Old Military Road

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #:
Stream Name: NAVFAC Creek

Elevation:

Site Comments: Site is above documented anadromy.

Survey Date: Sep 16, 2017

Survey ADAK17-C29

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Structural Problem
  2. Mechanical damage or joints parting
  3. Inlet perch

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 Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 52.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert length estimated from aerial imagery. Culvert shows signs of deterioration.
  Culvert Observations:
  1. Structural Problem
  2. Mechanical damage or joints parting
  3. Inlet perch
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 52.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert length estimated from aerial imagery. Culvert separating. Culvert shows signs of deterioration.
  Culvert Observations:
  1. Mechanical damage or joints parting
  2. Structural Problem
  3. Inlet perch

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 Dolly Varden Life History: Unknown
Total Fish Observed: 5 Fish Measured: 5 Fork Lengths (mm) Min: 50 Max: 104 Mean: 73
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (5)  
 
Species: adult Dolly Varden Life History: Unknown
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (2)  
Comments: 2 larger adult males between 12-16 inches

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