Fish Passage Site 20203742

Coordinates (dec. deg.): 60.14897°, -149.40862°
Legal Description: S001N001W26
Region: South Central
Road Name: Driveway

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Site is on a driveway off of Salmon Creek Road.

Survey Date: Aug 10, 2017

Survey KEN17-89_2007

Observers: Louis Mitchell, Luke Violette, Mary Richardson

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Constriction ratio red

Comments: KWFRES_17_24. Creek is a ditch that flows into AWC Stream #231-30-10080-2010-3022 about 90 feet downstream. Looks like marginal habitat upstream. Downstream water surfaces fairly flat.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 25.3
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 1
Approach Angle: 0.0
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):1.5 1.33
Height(ft):1.125 0.75
Apron Length(ft):
Water Depth(ft): 0.58
Rustline Height(ft):0.5
Substrate Depth(ft):0.0 0.6
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.42
Culvert Gradient: 1.46%
Max Slope:
Max Slope Length:
 

Comments: Substrate gradient through culvert 1.93%. No water at inlet. Upstream dry.
  Culvert Observations:
  1. Culvert gradient red
  2. Constriction ratio red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:SandSand
Stream Slope(deg.):0.03
Stream Flow Stage:Low
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 20.0 3.25
Downstream ordinary high water 40.0 4.00
Downstream ordinary high water 60.0 3.50
Downstream ordinary high water 90.0 20.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 99.25
D/S Thalweg 0.00 96.00
D/S Water Surface Elev 0.00 97.21
D/S Thalweg 30.00 96.73
D/S Water Surface Elev 30.00 97.24
D/S Water Surface Elev 50.00 97.21
D/S Thalweg 50.00 96.49
D/S Thalweg 80.00 96.18
D/S Water Surface Elev 80.00 97.23
D/S Thalweg 95.00 96.35
D/S Water Surface Elev 95.00 97.18
D/S Water Surface Elev 100.00 97.24
Outlet Culvert Top 100.00 97.91
Outlet Invert 100.00 96.66
Inlet Culvert Invert 125.30 97.15
Inlet Culvert Top 125.30 98.28

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): 0.5

Fish Observations

No fish observations occurred during this survey.

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