Fish Passage Site 20200937

Coordinates (dec. deg.): 60.08947°, -149.35236°
Legal Description: S001S001E18
Region: South Central
Road Name: Nash Road

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #: 231-30-10110
Stream Name: Spring Creek

Elevation:

Site Comments: None

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey KPCS1-EK053

Observers: Cecil Rich, William Glick, James Maple

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 70.0
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: Gravel
InletOutlet
Width(ft):11.6 12.6
Height(ft):5.9 6.9
Apron Length(ft):
Water Depth(ft):1.31 0.67
Rustline Height(ft):
Substrate Depth(ft):0.06 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.02
Outfall Type:
Constriction Ratio: 0.47
Culvert Gradient: 2.94%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:BoulderBoulder
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 17.0 22.00
Downstream ordinary high water 45.0 31.50
Downstream ordinary high water 87.0 25.00
Upstream ordinary high water 5.0 33.30
Upstream ordinary high water 42.0 30.00
Upstream ordinary high water 92.0 19.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 85.25
D/S Thalweg 0.00 87.0 80.46
D/S OHW Elev 0.00 87.0 82.12
D/S Water Surface Elev 0.00 87.0 82.21
D/S Thalweg 42.00 45.0 84.83
D/S Water Surface Elev 42.00 45.0 86.04
D/S OHW Elev 42.00 45.0 86.08
D/S Tailcrest or 1st Thalweg 70.00 17.0 86.33
D/S Water Surface Elev 70.00 17.0 87.16
OHW Left Bank 70.00 17.0 87.20
OHW Left Bank 82.00 5.0 87.00
OHW Left Bank 82.00 5.0 87.00
Max Pool Depth 82.00 5.0 85.12
Outlet Invert 1 87.00 0.0 86.31
Outlet Thalweg 1 87.00 0.0 86.31
Outlet Rustline Height 1 87.00 0.0 87.10
Outlet Culvert Top 1 87.00 0.0 93.21
Road Elev 122.00 96.50
Inlet Culvert Top 1 157.00 0.0 94.27
Inlet Rustline Height 1 157.00 0.0 89.44
Inlet Thalweg 1 157.00 0.0 88.31
Inlet Culvert Invert 1 157.00 0.0 88.37
U/S Thalweg 1 158.00 1.0 88.75
U/S Thalweg 1 162.00 5.0 88.58
U/S OHW elevation 1 162.00 5.0 89.31
U/S Water Surface Elev 1 162.00 5.0 89.87
U/S Thalweg 1 180.20 23.2 88.27
U/S Thalweg 199.00 42.0 88.58
U/S Headwater 199.00 42.0 90.08
U/S Water Surface Elev 199.00 42.0 89.87
U/S Water Surface Elev 249.00 92.0 90.21
U/S Headwater 249.00 92.0 89.87
U/S Thalweg 249.00 92.0 88.98

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

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 45 Max: 45 Mean: 45
Collected/Observed by Gear Type: Upstream Minnow Trap (2)  
 
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)  

Photos

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