Fish Passage Site 20301008

Coordinates (dec. deg.): 60.54428°, -151.21182°
Legal Description: S005N011W09
Region: South Central
Road Name: Bridge Access Road

Datum: NAD83
Quad Name / ITM: Kenai C-4
AWC Stream #: 244-30-10010-2007
Stream Name: Beaver Loop Creek

Elevation:

Site Comments: Heavy siltation aquatic veg. Growth. Flow very slow.

Survey Date: Sep 26, 2001

Survey KPCS1-NK080

Observers: Cecil Rich, Tom Sigurdsson

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Heavy siltation aquatic veg. Growth. Flow very slow. Many salmon smolt below. Channel was pooled about 95 feet above culveert before natural channel resumed.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 109.5
Inlet Type: Flared Inlet
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.5 5.4
Height(ft):3.25 3.85
Apron Length(ft):
Water Depth(ft):0.25 1.44
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.06
Outfall Type:
Constriction Ratio: 0.92
Culvert Gradient: -0.95%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 16.0 16.80
Downstream ordinary high water 50.0 8.40
Downstream ordinary high water 100.0 13.00
Upstream ordinary high water 5.0 7.10
Upstream ordinary high water 50.0 7.20
Upstream ordinary high water 95.0 4.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 100.0 82.69
D/S Water Surface Elev 0.00 100.0 83.31
D/S OHW Elev 0.00 100.0 83.60
D/S Thalweg 50.00 50.0 82.40
D/S OHW Elev 50.00 50.0 84.04
D/S Water Surface Elev 50.00 50.0 83.44
D/S Water Surface Elev 84.00 16.0 83.48
D/S Tailcrest or 1st Thalweg 84.00 16.0 81.94
OHW Left Bank 84.00 16.0 83.96
OHW Left Bank 95.00 5.0 83.52
OHW Left Bank 95.00 5.0 83.54
Max Pool Depth 95.00 5.0 79.42
D/S Thalweg 95.00 5.0 79.42
Outlet Invert 1 100.00 0.0 82.02
Outlet Thalweg 1 100.00 0.0 82.02
Outlet Culvert Top 1 100.00 0.0 85.87
Outlet Rustline Height 1 100.00 0.0 83.79
Road Elev 154.50 95.00
Road Elev 154.50 96.19
Inlet Culvert Top 1 209.00 0.0 84.23
Inlet Rustline Height 1 209.00 0.0 81.58
Inlet Culvert Invert 1 209.00 0.0 80.98
Inlet Thalweg 1 209.00 0.0 80.98
U/S Thalweg 1 210.00 1.0 80.50
U/S Thalweg 1 214.00 5.0 79.85
U/S Water Surface Elev 1 214.00 5.0 81.35
U/S OHW elevation 1 214.00 5.0 81.40
U/S Thalweg 1 219.80 10.8 83.40
U/S Water Surface Elev 259.00 50.0 84.98
U/S Headwater 259.00 50.0 85.35
U/S Thalweg 259.00 50.0 83.31
U/S Headwater 304.00 95.0 85.42
U/S Water Surface Elev 304.00 95.0 84.98
U/S Thalweg 304.00 95.0 84.83

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): 1.37
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.33

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 114 Max: 114 Mean: 114
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  
 
Species: 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 (1)  
 
Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 8 Fish Measured: 4 Fork Lengths (mm) Min: 93 Max: 109 Mean: 101
Collected/Observed by Gear Type: Downstream Minnow Trap (8)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 55 Fish Measured: 14 Fork Lengths (mm) Min: 60 Max: 131 Mean: 95
Collected/Observed by Gear Type: Downstream Minnow Trap (47)  Upstream Minnow Trap (8)  

Photos

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