Fish Passage Site 20703782

Coordinates (dec. deg.): 57.88335°, -152.85383°
Legal Description: S026S022W33
Region: Southwest
Road Name: Airport Road

Datum: NAD83
Quad Name / ITM: Kodiak D-3
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: May 07, 2018

Survey UPDATE-LION02

Project Supervisor: Gillian O'Doherty, ADFG
Observers: William Frost

Overall Fish Passage Rating: Red

Tidal: Maybe
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Inlet perch
  3. Debris Flow

Comments: Culvert information and photos submitted by Will Frost, Habitat Biologist, ADF&G. Culvert measurements taken from DOT placard. Culvert may be removed for the airport improvement project if the road is relocated. Dolly Varden char captured upstream and downstream of culvert.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft):
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
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?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Outfall visibly assessed over 4 inches, RED. Inlet perch due to debris accumation. Culvert likely undersized for stream. Cuvlert diameter estimated at 5 ft. Cuvlert length estimated at 66 ft, using DOT placard. Outfall height over 4 inches.

  Culvert Observations:
  1. Outfall height red
  2. Inlet perch
  3. Debris Flow

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)
 
Gear Type: Smith-Root LR-24 (B)

Fish Observations

Species: Dolly Varden Life History: Unknown
Total Fish Observed: 10 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (5)  Upstream Smith-Root LR-24 (5)  
 
Species: sculpin-unspecified Life History:
Total Fish Observed: 5 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (5)  

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov