Fish Passage Site 20401331

Coordinates (dec. deg.): 61.61438°, -149.20885°
Legal Description: S018N001E26
Region: South Central
Road Name: North 49th State Street

Datum: NAD83
Quad Name / ITM: Anchorage C-6
AWC Stream #: 247-50-10260-2019-3066-4022
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-WA023

Observers: Edward Weiss, Olof Jacobsson, Joe Conner

Overall Fish Passage Rating:

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: There is no right culvert outlet. Boulders and debris in outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft):
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: Silt/Clay
Outlet Substrate: Gravel
InletOutlet
Width(ft):2.5 2.6
Height(ft):2.4 2.0
Apron Length(ft):
Water Depth(ft):0.9 0.6
Rustline Height(ft):
Substrate Depth(ft):0.0 0.6
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 56.0 5.00
Downstream ordinary high water 100.0 4.00
Upstream ordinary high water 50.0 5.00
Upstream ordinary high water 100.0 5.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 80.20
D/S Thalweg 56.0 81.78
OHW Left Bank 4.0 82.26
Outlet Thalweg 1 0.0 82.79
Outlet Invert 1 0.0 82.80
U/S Thalweg 83.05
Inlet Culvert Invert 1 0.0 83.09
Inlet Thalweg 1 0.0 83.12
U/S Thalweg 1 4.0 83.12
D/S Tailcrest or 1st Thalweg 7.0 83.26
U/S Thalweg 83.41
Outlet Culvert Top 1 84.73
Inlet Culvert Top 1 85.53
Road Elev 94.48
Road Elev 94.82

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

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

Photos

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