Fish Passage Site 20401295

Coordinates (dec. deg.): 61.52490°, -149.57124°
Legal Description: S017N002W35
Region: South Central
Road Name: Cardiff Road

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Lucy 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-CT146

Observers: Edward Weiss, Doug Hill

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Serious perch; lower half has no bedload

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Red
 
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: Sand
InletOutlet
Width(ft):2.9 2.96
Height(ft):2.67 2.83
Apron Length(ft):
Water Depth(ft):0.74 0.18
Rustline Height(ft):
Substrate Depth(ft):0.33 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 1.72
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.32
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Improper bedding
  2. Structural Problem

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySand
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 50.0 3.10
Downstream ordinary high water 69.0 2.00
Upstream ordinary high water 100.0 9.00

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
D/S Thalweg 69.0 83.18
D/S Thalweg 50.0 84.34
D/S Thalweg 16.0 87.08
D/S Thalweg 6.0 88.11
D/S Thalweg 3.0 88.18
OHW Left Bank 3.8 88.60
Outlet Thalweg 1 0.0 88.67
Outlet Invert 1 0.0 90.14
U/S Thalweg 92.26
Inlet Culvert Invert 1 0.0 92.29
Inlet Thalweg 1 0.0 92.29
U/S Thalweg 92.39
U/S Thalweg 1 2.0 92.67
U/S Thalweg 1 11.0 92.80
Outlet Culvert Top 1 93.14
Road Elev 95.00
Inlet Culvert Top 1 95.02
Road Elev 95.65

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: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 10 Fish Measured: 5 Fork Lengths (mm) Min: 128 Max: 147 Mean: 141
Collected/Observed by Gear Type: Downstream Minnow Trap (10)  
 
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: Upstream Minnow Trap (0)  

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