Fish Passage Site 20301018

Coordinates (dec. deg.): 59.66386°, -151.46960°
Legal Description: S006S013W15
Region: South Central
Road Name: East End Road

Datum: NAD83
Quad Name / ITM: Seldovia C-4
AWC Stream #:
Stream Name: Palmer Creek or Coal Creek

Elevation:

Site Comments: None

Survey Date: Jul 11, 2001

Survey KPCS1-SK027

Observers: Cecil Rich, Michael Lund

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: 20 inch perch at outlet on right (main) culvert. Both too short and misaligned. Active channel widening upstream of culvert. Right inlet smashed and perched from debris. Rt. aligned with inchannel, offset 25 feet to outchannel. L is offset 8 ft.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 53.89
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.5 2.98
Apron Length(ft):
Water Depth(ft):0.54 0.04
Rustline Height(ft):
Substrate Depth(ft):0.53 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 2.16
Outfall Type:
Constriction Ratio: 0.93
Culvert Gradient: 4.12%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 49.89
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.1 3.8
Height(ft):4.3 4.3
Apron Length(ft):
Water Depth(ft):0.5 0.27
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 2.16
Outfall Type:
Constriction Ratio: 0.93
Culvert Gradient: 2.59%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Cut-slope slumping or sliding into culvert (single event)

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:SandSand
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 7.0 9.10
Downstream ordinary high water 39.0 6.40
Downstream ordinary high water 68.0 10.00
Upstream ordinary high water 5.0 3.20
Upstream ordinary high water 44.0 7.90
Upstream ordinary high water 64.0 7.40

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
OHW Left Bank 96.56
D/S Thalweg 0.00 68.0 93.60
D/S Water Surface Elev 0.00 68.0 93.94
D/S OHW Elev 0.00 68.0 94.33
D/S Thalweg 29.00 39.0 94.35
D/S Water Surface Elev 29.00 39.0 94.56
D/S OHW Elev 29.00 39.0 94.62
D/S Tailcrest or 1st Thalweg 62.00 6.0 95.85
OHW Left Bank 62.00 6.0 95.96
D/S Water Surface Elev 62.00 6.0 96.15
OHW Left Bank 63.00 5.0 96.15
Max Pool Depth 63.00 5.0 95.29
D/S Thalweg 63.00 5.0 95.29
Outlet Thalweg 1 68.00 0.0 95.83
Outlet Invert 1 68.00 0.0 96.79
Outlet Rustline Height 1 68.00 0.0 97.02
Outlet Invert 2 68.00 0.0 98.04
Outlet Rustline Height 2 68.00 0.0 98.50
Outlet Thalweg 2 68.00 0.0 95.94
Outlet Culvert Top 1 68.00 0.0 99.77
Outlet Culvert Top 2 68.00 0.0 102.04
Road Elev 93.50 105.67
Road Elev 93.50 105.71
Inlet Culvert Top 2 119.00 0.0 103.23
Inlet Culvert Top 1 119.00 0.0 102.12
Inlet Rustline Height 2 119.00 0.0 100.10
Inlet Culvert Invert 1 119.00 0.0 99.01
Inlet Culvert Invert 2 119.00 0.0 99.33
Inlet Thalweg 2 119.00 0.0 99.33
Inlet Thalweg 1 119.00 0.0 99.41
Inlet Rustline Height 1 119.00 0.0 99.74
U/S Thalweg 1 120.00 1.0 99.79
U/S Thalweg 2 120.00 1.0 99.83
U/S Thalweg 1 124.00 5.0 100.04
U/S Water Surface Elev 1 124.00 5.0 100.08
U/S Water Surface Elev 2 124.00 5.0 100.22
U/S OHW elevation 1 124.00 5.0 100.33
U/S OHW elevation 2 124.00 5.0 100.93
U/S Thalweg 2 124.00 5.0 99.76
U/S Thalweg 1 127.00 8.0 100.24
U/S Thalweg 2 127.00 8.0 100.18
U/S Thalweg 159.00 40.0 101.76
U/S Water Surface Elev 159.00 40.0 102.10
U/S Headwater 159.00 40.0 102.39
U/S Water Surface Elev 183.00 64.0 102.49
U/S Headwater 183.00 64.0 102.81
U/S Thalweg 183.00 64.0 102.12

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): 1.55
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.55

Fish Observations

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: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

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