Fish Passage Site 20401272

Coordinates (dec. deg.): 61.62141°, -149.34364°
Legal Description: S018N001E30
Region: South Central
Road Name: Sierra Street

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: King Lake outlet

Elevation:

Site Comments: Culvert between Anderson and Kings Lake

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey MSCS1-CT115

Observers: Edward Weiss, Doug Hill, Joe Conner

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Site Observations:

  1. Culvert gradient gray

Comments: First time we have seen water flowing thru culvert. Hundreds of stickleback in Anderson Lk off outlet. Homemade barrel culvert. Inl/Outet Erosion Bank Protection needed; Lake uspstream/dowstream;

Culvert Measurements

ID: 1 Structure Type: Other (Unknown) Fish Passage Rating: Gray
 
Length(ft): 41.0
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):2.0 1.9
Height(ft):2.0 1.9
Apron Length(ft):
Water Depth(ft):0.4 0.4
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.56%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Structural Problem

Stream Measurements

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

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Culvert Top 1 90.33
Inlet Culvert Top 1 90.73
Outlet Invert 1 0.00 0.0 88.53
Outlet Thalweg 1 0.00 0.0 88.53
Road Elev 20.50 94.73
Road Elev 20.50 94.93
Inlet Thalweg 1 41.00 0.0 88.75
Inlet Culvert Invert 1 41.00 0.0 88.76
U/S Thalweg 1 47.30 6.3 88.63

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 23
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0

Fish Observations

Species: juvenile/adult stickleback-unspecified Life History: Resident
Total Fish Observed: 57 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (30)  Upstream Minnow Trap (27)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 4 Fish Measured: 2 Fork Lengths (mm) Min: 73 Max: 78 Mean: 75
Collected/Observed by Gear Type: Upstream Minnow Trap (4)  

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