Fish Passage Site 20401353

Coordinates (dec. deg.): 61.57587°, -149.29474°
Legal Description: S017N001E09
Region: South Central
Road Name: Hyer Road

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

Elevation:

Site Comments: Upstream of culvert under abandoned road on private land.

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-WA050

Observers: Edward Weiss, Olof Jacobsson, Joe Conner

Overall Fish Passage Rating:

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Something going on downstream at culvert under abandoned road on private land. Water is backed up above #50. Slow and ponded. Outlet perched - dammed at inlet w/ plywood. Adult chums holding below culvert. Pulled boards @ 14:15.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 53.0
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: Cobble
Outlet Substrate: Sand
InletOutlet
Width(ft):3.0 3.0
Height(ft):2.9 3.0
Apron Length(ft):
Water Depth(ft):1.9 2.1
Rustline Height(ft):
Substrate Depth(ft):0.1 0.4
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio: 0.33
Culvert Gradient: 0.55%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleSand
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 48.0 7.00
Upstream ordinary high water 85.0 11.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Culvert Top 1 90.42
Inlet Culvert Top 1 90.94
OHW Left Bank 0.00 8.0 87.66
Outlet Invert 1 8.00 0.0 87.74
Outlet Thalweg 1 8.00 0.0 87.79
Road Elev 34.50 94.39
Road Elev 34.50 94.60
Inlet Culvert Invert 1 61.00 0.0 88.03
U/S Thalweg 63.00 2.0 87.82
U/S Thalweg 109.00 48.0 88.50
U/S Thalweg 146.00 85.0 88.55

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): 1
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1
 
Gear Type: Visual Observation, Ground (D)

Fish Observations

Species: juvenile/adult stickleback-unspecified Life History: Resident
Total Fish Observed: 1 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap ()  Upstream Minnow Trap (1)  
 
Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 6 Fish Measured: 3 Fork Lengths (mm) Min: 83 Max: 113 Mean: 95
Collected/Observed by Gear Type: Downstream Minnow Trap (6)  
 
Species: adult chum salmon Life History: Anadromous
Total Fish Observed: Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Visual Observation, Ground ()  
Comments: Adult chum holding below culvert - pulled boards at approx. 1415 hrs.
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 67 Fish Measured: 20 Fork Lengths (mm) Min: 49 Max: 118 Mean: 83
Collected/Observed by Gear Type: Downstream Minnow Trap (26)  Upstream Minnow Trap (41)  

Photos

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