Fish Passage Site 30103672

Coordinates (dec. deg.): 51.95302°, -176.57378°
Legal Description: S095S194W17
Region: Southwest
Road Name: Clam Lagoon Road

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #: 306-70-10100
Stream Name: Range Creek

Elevation:

Site Comments: None

Survey Date: Sep 14, 2017

Survey ADAK17-C7

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Structural Problem
  3. Mechanical damage or joints parting
  4. Compound gradient in pipe

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: Gray
 
Length(ft): 44.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
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 on To Rip Rap
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert shows signs of deterioration and is in tidal zone and looks to get inundated pretty regularly to allow some fish passage.

  Culvert Observations:
  1. Outfall height red
  2. Structural Problem
  3. Mechanical damage or joints parting
  4. Compound gradient in pipe
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 44.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
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?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert shows signs of deterioration and is in tidal zone and looks to get inundated pretty regularly.

  Culvert Observations:
  1. Outfall height red
  2. Compound gradient in pipe
  3. Structural Problem
  4. Mechanical damage or joints parting

Stream Measurements

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

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 24.5
 
Gear Type: Visual Observation, Ground (B)

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 59 Max: 74 Mean: 67
Collected/Observed by Gear Type: Upstream Minnow Trap (3)  
 
Species: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 15 Fish Measured: 15 Fork Lengths (mm) Min: 55 Max: 150 Mean: 87
Collected/Observed by Gear Type: Upstream Minnow Trap (15)  
 
Species: adult pink salmon Life History: Anadromous
Total Fish Observed: 5 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (5)  

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