Fish Passage Site 20401338

Coordinates (dec. deg.): 61.64145°, -149.19594°
Legal Description: S018N001E24
Region: South Central
Road Name: Palmer Fishhook Road

Datum: NAD83
Quad Name / ITM: Anchorage C-6
AWC Stream #:
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-WA031

Observers: Edward Weiss, Olof Jacobsson, Joe Conner

Overall Fish Passage Rating:

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Site cond=OT=ATV channel thru outlet channel

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: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 1.85
Apron Length(ft):
Water Depth(ft):0.3 0.2
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio: 0.5
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Cut-slope slumping or sliding into culvert (single event)
  2. Improper bedding

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 15.0 5.00
Downstream ordinary high water 94.0 4.00
Upstream ordinary high water 3.0 4.50
Upstream ordinary high water 50.0 4.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 94.0 78.55
D/S Thalweg 71.0 79.02
D/S Thalweg 52.0 79.57
D/S Tailcrest or 1st Thalweg 15.0 80.01
D/S Thalweg 4.6 80.15
Outlet Thalweg 1 0.0 80.54
U/S Thalweg 1 3.0 83.56
Outlet Invert 1 0.0 83.70
U/S Thalweg 84.00
Inlet Thalweg 1 0.0 84.10
Inlet Culvert Invert 1 0.0 84.30
Outlet Culvert Top 1 85.75
Inlet Culvert Top 1 86.28
Road Elev 96.50
Road Elev 97.41

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.

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