Fish Passage Site 20300949

Coordinates (dec. deg.): 60.67026°, -149.47881°
Legal Description: S007N001W29
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward C-7
AWC Stream #:
Stream Name: Fresno Creek

Elevation:

Site Comments: None

Survey Date: Sep 11, 2001

Survey KPCS1-EK073

Observers: Cecil Rich, William Glick, Joe Meehan

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: High perch at outlet

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 105.5
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.5
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):10.2 10.0
Height(ft):11.67 11.67
Apron Length(ft):
Water Depth(ft):0.92 1.08
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 1.77
Outfall Type:
Constriction Ratio: 0.6
Culvert Gradient: 4.38%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:BoulderBoulder
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 17.0 20.60
Downstream ordinary high water 50.0 16.20
Downstream ordinary high water 84.0 18.00
Upstream ordinary high water 5.0 17.80
Upstream ordinary high water 50.0 19.90
Upstream ordinary high water 100.0 14.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 84.0 81.96
D/S Water Surface Elev 0.00 84.0 82.96
D/S OHW Elev 0.00 84.0 83.67
D/S Thalweg 34.00 50.0 83.79
D/S Water Surface Elev 34.00 50.0 85.21
D/S OHW Elev 34.00 50.0 86.04
OHW Left Bank 57.40 26.6 88.50
D/S Water Surface Elev 67.00 17.0 87.69
D/S Tailcrest or 1st Thalweg 67.00 17.0 86.48
OHW Left Bank 67.00 17.0 88.50
OHW Left Bank 79.00 5.0 87.50
Max Pool Depth 79.00 5.0 84.75
D/S Thalweg 79.00 5.0 84.75
Outlet Invert 1 84.00 0.0 88.19
Outlet Thalweg 1 84.00 0.0 88.19
Outlet Rustline Height 1 84.00 0.0 88.54
Outlet Culvert Top 1 84.00 0.0 101.77
Road Elev 136.50 107.75
Road Elev 136.50 108.69
Inlet Culvert Top 1 189.00 0.0 104.48
Inlet Culvert Invert 1 189.00 0.0 92.81
Inlet Thalweg 1 189.00 0.0 92.81
Inlet Rustline Height 1 189.00 0.0 94.08
U/S Thalweg 1 190.00 1.0 93.25
U/S Thalweg 1 194.00 5.0 93.29
U/S Water Surface Elev 1 194.00 5.0 94.23
U/S OHW elevation 1 194.00 5.0 95.15
U/S Thalweg 1 209.10 20.1 94.31
U/S Thalweg 239.00 50.0 96.35
U/S Water Surface Elev 239.00 50.0 97.48
U/S Headwater 239.00 50.0 98.58
U/S Water Surface Elev 289.00 100.0 98.98
U/S Headwater 289.00 100.0 99.60
U/S Thalweg 289.00 100.0 98.02

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): 1.15
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.45

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 10 Fish Measured: 5 Fork Lengths (mm) Min: 94 Max: 160 Mean: 126
Collected/Observed by Gear Type: Downstream Minnow Trap (8)  Upstream Minnow Trap (2)  

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