Fish Passage Site 20401354

Coordinates (dec. deg.): 61.57931°, -149.29241°
Legal Description: S017N001E09
Region: South Central
Road Name: Lower Road

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10260-2019-3041-4013
Stream Name: Wasilla Creek tributary

Elevation:

Site Comments: Lower Road - near Hyer Road. Stream joins with other tributary, then goes under Hyer Road.

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-WA051

Observers: Edward Weiss, Olof Jacobsson, Joe Conner

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Landowner notes juvenile fish used to be more numerous. Stream joins with other tributary, then goes under Hyer Road. Also noted that drinking water failied test because of drain fields upstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Gray
 
Length(ft): 33.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):1.5 1.5
Height(ft):1.3 1.2
Apron Length(ft):
Water Depth(ft):0.3 0.2
Rustline Height(ft):
Substrate Depth(ft):0.2 0.3
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient: 1.24%
Max Slope:
Max Slope Length:
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 32.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):1.5 0.8
Height(ft):1.2 0.7
Apron Length(ft):
Water Depth(ft):0.6 0.1
Rustline Height(ft):
Substrate Depth(ft):0.3 0.8
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient: -0.13%
Max Slope:
Max Slope Length:

Stream Measurements

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

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 88.96
Outlet Culvert Top 2 92.23
Outlet Culvert Top 1 92.27
Inlet Culvert Top 2 92.67
Inlet Culvert Top 1 92.96
Outlet Invert 1 0.00 0.0 91.24
Outlet Thalweg 1 0.00 0.0 91.24
Outlet Invert 2 0.00 0.0 91.46
Outlet Thalweg 2 0.00 0.0 91.46
Road Elev 16.00 94.77
Road Elev 16.00 94.87
Inlet Culvert Invert 2 32.00 0.0 91.42
Inlet Culvert Invert 1 32.00 0.0 91.65
U/S Thalweg 1 33.50 1.5 91.19

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): 24

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 25 Fish Measured: 10 Fork Lengths (mm) Min: 60 Max: 126 Mean: 92
Collected/Observed by Gear Type: Upstream Minnow Trap (25)  

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