Fish Passage Site 10103567

Coordinates (dec. deg.): 55.85359°, -133.06767°
Legal Description: C069S080E25
Region: Southeast
Road Name: North Prince of Wales Road

Datum: NAD83
Quad Name / ITM: Craig D-4
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Jun 08, 2017

Survey SEA17-NPW01

Observers: Mark Eisenman, Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Improper bedding

Comments: Flow goes subsurface in pipe at inlet, dry at outlet.NPW02 is 50ft downstream. Upstream trap set above culvert 130 (this site) and downstream trap set below NPW02, traps soaked for both sites. Small fish observed upstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 80.2
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: Yes
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):7.6 7.6
Height(ft):5.7 6.8
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):0.7
Substrate Depth(ft):1.9 1.8
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 2.9
Culvert Gradient: 0.26%
Max Slope:
Max Slope Length:
 

Comments: Scouring at inlet and outlet. Length given is end of mitres Gravel at inlet and outlet looks like road material. Not much fill on top, pipe looks flattended in middle. Top of culvert length = 64.2'.
  Culvert Observations:
  1. Improper bedding

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayGravel
Subdominant:OrganicBoulder
Stream Slope(deg.):1.56
Stream Flow Stage:Low
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 40.0 2.60
Upstream ordinary high water 80.0 2.80
Upstream ordinary high water 120.0 2.40

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 104.04
D/S Grade Ctrl (Thalweg) (At inlet of downstream culvert) 0.00 88.08
D/S Water Surface Elev 0.00 90.98
Outlet Invert (dry) 71.00 92.95
Top of Pipe Outlet 79.00 100.00
Inlet Culvert Top 143.20 100.17
Inlet Culvert Invert (on substrate) 151.20 94.49
U/S Water Surface Elev 151.20 94.66
U/S Grade Ctrl (Thalweg) 157.20 95.02
U/S Water Surface Elev 157.20 94.40
U/S Grade Ctrl (Thalweg) 184.20 95.77
D/S Water Surface Elev 184.20 95.94
U/S Grade Ctrl (Thalweg) 291.20 97.39
U/S Water Surface Elev 291.20 97.61

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): 4.75
Comments: cutthroat 60ft upstream

Fish Observations

Species: juvenile cutthroat trout Life History: Unknown
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 109 Max: 109 Mean: 109
Collected/Observed by Gear Type: Upstream Minnow Trap (1)  

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