Fish Passage Site 20300994

Coordinates (dec. deg.): 60.49798°, -151.02206°
Legal Description: S005N010W27
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Kenai B-3
AWC Stream #: 244-30-10010-2039
Stream Name: Soldotna Creek

Elevation:

Site Comments: Baffles installed in 1992 and designed to allow upstream movement of juvenile fish. No monitoring carried out to date.

Survey Date: Jul 19, 2001

Survey KPCS1-NK038

Observers: Cecil Rich, Michael Lund

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Baffles installed in culvert. V-notch wier at about 3 m. upstream of culvert. Riprap riffle below outlet.

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 298.0
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):14.5 14.5
Height(ft):9.9 9.79
Apron Length(ft):
Water Depth(ft):0.94 0.96
Rustline Height(ft):
Substrate Depth(ft):1.5 1.5
Backwatered?:
Baffles Present:
Embedded?: No
Outfall Height: -1.44
Outfall Type:
Constriction Ratio: 1.0
Culvert Gradient: 1.90%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayCobble
Subdominant:Silt/ClayBoulder
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 0.0 17.90
Downstream ordinary high water 56.0 14.70
Downstream ordinary high water 101.0 9.00
Upstream ordinary high water 5.0 19.10
Upstream ordinary high water 50.0 12.80
Upstream ordinary high water 100.0 16.10

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Water Surface Elev 0.00 101.0 73.90
D/S OHW Elev 0.00 101.0 74.21
D/S Thalweg 0.00 101.0 73.13
D/S OHW Elev 45.00 56.0 75.19
D/S Water Surface Elev 45.00 56.0 74.71
D/S Thalweg 45.00 56.0 73.80
OHW Left Bank 96.00 5.0 75.52
OHW Left Bank 96.00 5.0 75.55
OHW Left Bank 101.00 0.0 75.75
Outlet Rustline Height 1 101.00 0.0 75.77
Outlet Thalweg 1 101.00 0.0 74.84
D/S Water Surface Elev 101.00 0.0 75.38
Outlet Invert 1 101.00 0.0 73.15
Outlet Culvert Top 1 101.00 0.0 82.94
D/S Tailcrest or 1st Thalweg 101.00 0.0 7.00
Road Elev 250.00 116.63
Road Elev 250.00 116.80
Inlet Culvert Top 1 399.00 0.0 88.71
Inlet Thalweg 1 399.00 0.0 80.85
Inlet Culvert Invert 1 399.00 0.0 78.81
U/S Thalweg 1 400.00 1.0 81.02
U/S Water Surface Elev 1 404.00 5.0 81.58
U/S OHW elevation 1 404.00 5.0 81.77
U/S Thalweg 1 404.00 5.0 80.06
U/S Thalweg 1 428.00 29.0 79.17
U/S Thalweg 449.00 50.0 79.15
U/S Headwater 449.00 50.0 82.08
U/S Water Surface Elev 449.00 50.0 81.62
U/S Water Surface Elev 499.00 100.0 81.73
U/S Headwater 499.00 100.0 82.27
U/S Thalweg 499.00 100.0 78.77

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): 3.3
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.3

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 14 Fish Measured: 7 Fork Lengths (mm) Min: 93 Max: 165 Mean: 131
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  Upstream Minnow Trap (12)  
 
Species: adult stickleback-unspecified Life History: Resident
Total Fish Observed: 150 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (50)  Upstream Minnow Trap (100)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 40 Fish Measured: 18 Fork Lengths (mm) Min: 41 Max: 115 Mean: 70
Collected/Observed by Gear Type: Downstream Minnow Trap (16)  Upstream Minnow Trap (24)  
 
Species: juvenile rainbow trout Life History: Resident
Total Fish Observed: 17 Fish Measured: 9 Fork Lengths (mm) Min: 67 Max: 127 Mean: 99
Collected/Observed by Gear Type: Downstream Minnow Trap (10)  Upstream Minnow Trap (7)  

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