Fish Passage Site 20300933

Coordinates (dec. deg.): 60.52411°, -149.63843°
Legal Description: S005N002W16
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Seward C-8
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Aug 23, 2001

Survey KPCS1-EK049

Observers: Cecil Rich, William Glick

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Very small channel draining seepage. Large pool above culvert.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 112.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.6
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: Sand
InletOutlet
Width(ft):2.9 3.0
Height(ft):2.9 3.0
Apron Length(ft):
Water Depth(ft):0.17 0.48
Rustline Height(ft):
Substrate Depth(ft):0.36 0.71
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.39
Outfall Type:
Constriction Ratio: 0.97
Culvert Gradient: 0.35%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 2.0 3.40
Downstream ordinary high water 40.0 4.90
Downstream ordinary high water 60.0 6.00
Upstream ordinary high water 5.0 3.00
Upstream ordinary high water 70.0 3.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 60.0 87.75
D/S Water Surface Elev 0.00 60.0 87.94
D/S OHW Elev 0.00 60.0 88.17
D/S Thalweg 20.00 40.0 88.44
D/S Water Surface Elev 20.00 40.0 88.62
D/S OHW Elev 20.00 40.0 88.77
OHW Left Bank 55.00 5.0 89.33
OHW Left Bank 55.00 5.0 89.48
Max Pool Depth 55.00 5.0 88.92
D/S Thalweg 55.00 5.0 88.92
D/S Tailcrest or 1st Thalweg 58.00 2.0 89.23
OHW Left Bank 58.00 2.0 89.50
D/S Water Surface Elev 58.00 2.0 89.31
Outlet Culvert Top 1 60.00 0.0 91.46
Outlet Rustline Height 1 60.00 0.0 89.29
Outlet Thalweg 1 60.00 0.0 88.92
Outlet Invert 1 60.00 0.0 88.46
Road Elev 116.00 97.27
Road Elev 116.00 97.37
Inlet Culvert Top 1 172.00 0.0 91.75
Inlet Thalweg 1 172.00 0.0 89.21
Inlet Culvert Invert 1 172.00 0.0 88.85
Inlet Rustline Height 1 172.00 0.0 89.35
U/S Thalweg 1 173.00 1.0 89.21
U/S Thalweg 1 177.00 5.0 89.48
U/S Water Surface Elev 1 177.00 5.0 89.62
U/S OHW elevation 1 177.00 5.0 89.73
U/S Thalweg 1 177.90 5.9 89.56
U/S Thalweg 242.00 70.0 90.15
U/S Water Surface Elev 242.00 70.0 90.29
U/S Headwater 242.00 70.0 91.04

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): 2.0
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.0

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 5 Fish Measured: 1 Fork Lengths (mm) Min: 75 Max: 75 Mean: 75
Collected/Observed by Gear Type: Downstream Minnow Trap (5)  
 
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)  

Photos

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