Fish Passage Site 30103671

Coordinates (dec. deg.): 51.90575°, -176.66598°
Legal Description: S095S195W34
Region: Southwest
Road Name: Old Military Road

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

Elevation:

Site Comments: Tributary to NAVFAC Creek, above documented anadromy.

Survey Date: Sep 16, 2017

Survey ADAK17-C57

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Red

Tidal:
Backwatered:

Step Pools:
Construction Year:


Site Observations:

  1. Outfall height red
  2. 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. Multiple grade steps upstream, may have been put in by military as grade control. Large adult spawning Dolly Varden char shocked upstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 58.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):6.0 6.0
Height(ft):6.0 6.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?:
Baffles Present:
Embedded?:
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert perched over 1 foot.
  Culvert Observations:
  1. Outfall height red
  2. Inlet perch

Stream Measurements

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

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

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

Fish Observations

Species: adult Dolly Varden Life History: Unknown
Total Fish Observed: 7 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (7)  
Comments: Large adult Dolly Varden upstream of culvert and a few smaller fish.

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