Fish Passage Site 20401346

Coordinates (dec. deg.): 61.71819°, -149.10402°
Legal Description: S019N002E21
Region: South Central
Road Name: East Oceanview Road

Datum: NAD83
Quad Name / ITM: Anchorage C-6
AWC Stream #: 247-50-10260-2019-3120
Stream Name: Wasilla Creek tributary

Elevation:

Site Comments: None

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-WA042

Observers: Edward Weiss, Olof Jacobsson, Joe Conner, Dennis Gnath

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 30.0
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: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):1.5 1.5
Height(ft):1.5 1.1
Apron Length(ft):
Water Depth(ft):0.1 0.2
Rustline Height(ft):
Substrate Depth(ft):0.0 0.4
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient: 3.90%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Road Fill (pushed off road by grader)
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 30.0
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: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft):0.3 0.3
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient: 3.97%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Improper bedding
  2. Road Fill (pushed off road by grader)

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 50.0 3.00
Downstream ordinary high water 97.0 3.00
Upstream ordinary high water 4.0 6.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 88.58
Outlet Culvert Top 1 94.16
Outlet Culvert Top 2 94.45
Inlet Culvert Top 2 95.63
Inlet Culvert Top 1 95.64
D/S Thalweg 0.00 97.0 86.21
Outlet Thalweg 2 97.00 0.0 92.12
Outlet Invert 2 97.00 0.0 92.44
Outlet Invert 1 97.00 0.0 92.98
Outlet Thalweg 1 97.00 0.0 92.98
Road Elev 112.00 96.17
Road Elev 112.00 95.26
Inlet Thalweg 1 127.00 0.0 94.09
Inlet Culvert Invert 1 127.00 0.0 94.15
Inlet Culvert Invert 2 127.00 0.0 93.63
Inlet Thalweg 2 127.00 0.0 93.79
U/S Thalweg 135.00 8.0 93.95
U/S Thalweg 143.50 16.5 96.36

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): 18
 
Gear Type: Minnow Trap (B) Trap Duration(h): 18

Fish Observations

Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

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