Fish Passage Site 30103670

Coordinates (dec. deg.): 51.90452°, -176.64232°
Legal Description: S095S195W35
Region: Southwest
Road Name: Old Military Road

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #:
Stream Name: Haven Lake Outlet Stream

Elevation:

Site Comments: None

Survey Date: Sep 16, 2017

Survey ADAK17-C55

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Mechanical damage or joints parting
  2. Structural Problem

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. Coho captured upstream and in Haven Lake. Haven Lake and this outlet stream have been nominated to the AWC.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 45.0
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):3.9 3.9
Height(ft):3.5 3.5
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):0.4 0.4
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Some substrate inside barrel of culvert. Culvert is separating and shows significant signs of deterioration and damage.

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)
Comments: Electrofishing upstream in Haven Lake
 
Gear Type: Smith-Root LR-24 (C)
Comments: Trib to outlet creek above site ADK05, these fish also recorded for ADK05

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 6 Fish Measured: 6 Fork Lengths (mm) Min: 63 Max: 142 Mean: 93
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (2)  Upstream Smith-Root LR-24 (4)  
 
Species: juvenile/adult threespine stickleback Life History: Unknown
Total Fish Observed: 13 Fish Measured: 4 Fork Lengths (mm) Min: 40 Max: 45 Mean: 43
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (11)  Upstream Smith-Root LR-24 (2)  
 
Species: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 4 Fish Measured: 4 Fork Lengths (mm) Min: 57 Max: 120 Mean: 83
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (4)  

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